diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6d0b3f8..d280983 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## 1.1.2 (June 2, 2017)
+
+* Fix to Sorting
+* Added Multicolumn Sorting
+* Fix dynamic adding rows with update to interface
+* Ajax with multicolumn sorting
+
 ## 1.1.1 (June 1, 2017)
 
 * Added more Events
diff --git a/README.md b/README.md
index 31ad29f..9ed4947 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 vue-bootstrap-table is a sortable and searchable table, with Bootstrap styling, for Vue.js.
 
-### VUE 1 : 1.1.1
+### VUE 1 : 1.1.2
 
 ### Vue 2 : [jbaysolutions/vue2-bootstrap-table](https://github.com/jbaysolutions/vue2-bootstrap-table)
 
@@ -34,6 +34,7 @@ TODO UPDATE CHANGELOG
 ## Features
 
 * Sortable
+* Multicolumn Sorting
 * Searchable
 * Select display columns
 * Pagination
@@ -123,6 +124,7 @@ Or add the js script to your html (download from [releases](https://github.com/j
             :show-filter="true"
             :show-column-picker="true"
             :sortable="true"
+            :multi-column-sortable=true
             :paginated="true"
     >
     </vue-bootstrap-table>
@@ -155,6 +157,15 @@ Or add the js script to your html (download from [releases](https://github.com/j
             required: false,
             default: true,
         },
+        /**
+         * Enable/disable table multicolumn sorting, optional, default false.
+         * Also sortable must be enabled for this function to work.
+         */
+        multiColumnSortable: {
+            type: Boolean,
+            required: false,
+            default: false,
+        },
         /**
          * Enable/disable input filter, optional, default false
          */
@@ -279,13 +290,27 @@ ajax: {
 
 When Ajax is enabled, the following parameters are sent with each request for the URL specified:
 
- - `sortcol` : The name of the column to sort by (only sent when `delegate` is true, otherwise will be null)
- - `sortdir` : The sorting direction "ASC" or "DESC" (only sent when `delegate` is true, otherwise will be null)
+ - `sortcol` : Array of String columns to sort (only sent when `delegate` is true, otherwise will be null)
+ - `sortdir` : Array of sorting directions for each column on sortcol, "ASC" or "DESC" (only sent when `delegate` is true, otherwise will be null)
  - `filter` : The filter to be used  (only sent when `delegate` is true, otherwise will be null)
  - `page` : The number of the page being requested ( when delegate is false, it will always be 1 )
  - `pagesize` : The number of records being requested.
  - `echo` : A unique number for the request.
 
+##### When using GET
+
+ - `sortcol` : is sent in the following format  `sortcol[]=COLNAME&sortcol[]=COLNAME`
+ - `sortdir` : is sent in the following format  `sortdir[]=ASC&sortdir[]=DESC`
+
+This is performed automatically by AXIOS
+
+##### When using POST
+
+ - `sortcol` : is sent in the following format  `sortcol[0]=COLNAME ; sortcol[1]=COLNAME; `
+ - `sortdir` : is sent in the following format  `sortdir[0]=ASC ; sortdir[1]=DESC`
+
+This is performed automatically by AXIOS
+
 #### Ajax Expected Response
 
 For all requests, vue-bootstrap-table expects an object of the following type:
@@ -360,6 +385,7 @@ If you have a feature request, please add it as an issue or make a pull request.
 
 - [x] Basic table
 - [x] Sorting
+- [x] Multicolumn Sorting
 - [x] Filter
 - [x] Column picker
 - [x] Pagination
@@ -372,6 +398,13 @@ If you have a feature request, please add it as an issue or make a pull request.
 
 ## Changelog
 
+### 1.1.2
+
+* Fix to Sorting
+* Added Multicolumn Sorting
+* Fix dynamic adding rows with update to interface
+* Ajax with multicolumn sorting
+
 ### 1.1.1
 
 * Added more Events
diff --git a/dist/vue-bootstrap-table.js b/dist/vue-bootstrap-table.js
index c67e076..f779d59 100644
--- a/dist/vue-bootstrap-table.js
+++ b/dist/vue-bootstrap-table.js
@@ -74,7 +74,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	__vue_script__ = __webpack_require__(6)
 	if (Object.keys(__vue_script__).some(function (key) { return key !== "default" && key !== "__esModule" })) {
 	  console.warn("[vue-loader] src/VueBootstrapTable.vue: named exports in *.vue files are ignored.")}
-	__vue_template__ = __webpack_require__(42)
+	__vue_template__ = __webpack_require__(44)
 	module.exports = __vue_script__ || {}
 	if (module.exports.__esModule) module.exports = module.exports.default
 	var __vue_options__ = typeof module.exports === "function" ? (module.exports.options || (module.exports.options = {})) : module.exports
@@ -133,7 +133,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	
 	// module
-	exports.push([module.id, "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        -webkit-animation: spin 2s linear infinite;\n                animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @-webkit-keyframes spin {\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\n    }\n\n    @keyframes spin {\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\E150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\E155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\E156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n", "", {"version":3,"sources":["/./src/VueBootstrapTable.vue?40e910cc"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;IAkFA;;KAEA;;IAEA;;;;;;EAMA;IACA;QACA,2BAAA,CAAA,gBAAA;QACA,+BAAA,CAAA,UAAA;QACA,mBAAA;QACA,aAAA;QACA,cAAA;QACA,2CAAA;gBAAA,mCAAA;QACA,mBAAA;QACA,UAAA;QACA,SAAA;QACA,wBAAA;KACA;;IAEA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;IAHA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;;IAGA;QACA,mBAAA;QACA,YAAA;QACA,uBAAA;QACA,aAAA;QACA,YAAA;QACA,aAAA;KACA;;IAEA;QACA,cAAA;KACA;;IAEA;QACA,gBAAA;QACA,+BAAA;KACA;;IAEA;;OAEA;;IAEA;QACA,WAAA;QACA,mBAAA;KACA;;IAEA;QACA,mBAAA;QACA,YAAA;QACA,WAAA;QACA,eAAA;QACA,oCAAA;QACA,iBAAA;QACA;;;;;;wBAMA;KACA;;IAEA;QACA,iBAAA;QACA;;;;UAIA;KACA;;IAEA;QACA,iBAAA;KACA;;;IAGA;QACA,eAAA;KACA;;IAEA;;;;;;OAMA","file":"VueBootstrapTable.vue","sourcesContent":["<template>\n    <div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n        <!--<pre>{{columns | json}}</pre>-->\n        <!--<pre>{{$data | json}}</pre>-->\n        <div class=\"col-sm-6\">\n            <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n                <div class=\"input-group\">\n                    <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                    <div class=\"input-group-addon\">\n                        <i class=\"glyphicon glyphicon-search\"></i>\n                    </div>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-6\">\n            <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n                <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                    <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                            type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                            aria-haspopup=\"true\">\n                        Columns <span class=\"caret\"></span>\n                    </button>\n                    <ul class=\"dropdown-menu\">\n                        <li v-for=\"column in displayCols\">\n                            <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                                <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                            </a>\n                        </li>\n                    </ul>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-12\">\n            <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n                <div class=\"spinner\"></div>\n            </div>\n            <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n                <thead>\n                    <tr>\n                        <th v-for=\"column in displayCols | filterBy true in 'visible'\" @click=\"sortBy(column.name)\"\n                            track-by=\"$index\"\n                            :class=\"getClasses(column.name)\">\n                            {{ column.title }}\n                        </th>\n                    </tr>\n                </thead>\n                <tbody>\n                    <tr v-for=\"entry in filteredValues | orderBy sortKey sortOrders[sortKey]\" track-by=\"$index\">\n                        <td v-for=\"column in displayCols | filterBy true in 'visible'\" track-by=\"$index\"\n                            v-show=\"column.visible\">\n                            <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                            <value-field-section v-else\n                                :entry=\"entry\"\n                                :columnname=\"column.name\"\n                                :value=\"entry[column.name]\"></value-field-section>\n                        </td>\n                    </tr>\n                </tbody>\n            </table>\n        </div>\n        <div v-if=\"paginated\" class=\"col-sm-12\">\n            <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n              <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n              </div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n                <button v-for=\"index in validPageNumbers\"\n                    type=\"button\" class=\"btn btn-default\"\n                    v-bind:class=\"{ active: this.page===index }\"\n                    @click=\"this.page=index\">\n                        {{index}}\n                </button>\n              </div>\n              <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n              </div>\n            </div>\n        </div>\n    </div>\n</template>\n<style>\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @keyframes spin {\n        0% { transform: rotate(0deg); }\n        100% { transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\e150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\e155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\e156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n</style>\n<script>\n\n    import axios from 'axios';\n    import qs from 'qs';\n\n    /* Field Section used for displaying and editing value of cell */\n    var valueFieldSection = {\n      template: '<span v-if=\"!enabled\" @dblclick=\"toggleInput\" class=\"editableField\"> {{ value }} </span>'+\n          '<div v-if=\"enabled\" class=\"input-group\">'+\n          '  <input type=\"text\" class=\"form-control\" v-model=\"value\" @keyup.enter=\"saveThis\" @keyup.esc=\"cancelThis\">'+\n          '  <span class=\"input-group-btn\">'+\n          '    <button class=\"btn btn-danger\" type=\"button\" @click=\"cancelThis\" ><span class=\"glyphicon glyphicon-remove\" aria-hidden=\"true\"></span></button>'+\n          '    <button class=\"btn btn-primary\" type=\"button\" @click=\"saveThis\" ><span class=\"glyphicon glyphicon-ok\" aria-hidden=\"true\"></span></button>'+\n          '  </span>'+\n          '</div>',\n      props: ['entry','value','columnname'],\n      data: function () {\n          return {\n            enabled: false,\n          }\n      },\n      methods: {\n        saveThis: function () {\n            var originalValue = this.entry[this.columnname];\n            this.entry[this.columnname] = this.value;\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.value, this.columnname,  this.entry);\n            this.enabled = !this.enabled;\n        },\n        cancelThis: function () {\n            this.value = this.entry[this.column-name];\n            this.enabled = !this.enabled;\n        },\n        toggleInput: function () {\n            this.enabled=!this.enabled;\n        },\n      }\n    };\n\n    export default {\n        name: \"VueBootstrapTable\",\n        components: {\n            'value-field-section': valueFieldSection,\n        },\n        props: {\n            /**\n             * The column titles, required\n             */\n            columns: {\n                type: Array,\n                required: true,\n            },\n            /**\n             * The rows, an Array of objects\n             */\n            values: {\n                type: Array,\n                required: false,\n            },\n            /**\n             * Enable/disable table sorting, optional, default true\n             */\n            sortable: {\n                type: Boolean,\n                required: false,\n                default: true,\n            },\n            /**\n             * Enable/disable input filter, optional, default false\n             */\n            showFilter: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable column picker to show/hide table columns, optional, default false\n             */\n            showColumnPicker: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable pagination for the table, optional, default false\n             */\n            paginated: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * If pagination is enabled defining the page size, optional, default 10\n             */\n            pageSize: {\n                type: Number,\n                required: false,\n                default: 10,\n            },\n            /**\n             * If loading of table is to be done through ajax, then this object must be set\n             */\n            ajax: {\n                type: Object,\n                required: false,\n                default: function () {\n                    return {\n                        enabled: false,\n                        url: \"\",\n                        method: \"GET\",\n                        delegate: false,\n                    }\n                }\n            },\n        },\n        data: function () {\n            return {\n                filteredSize: 0,\n                filterKey: \"\",\n                sortKey: \"\",\n                sortDir: \"\",\n                sortOrders: {},\n                columnMenuOpen: false,\n                displayCols: [],\n                filteredValues: [],\n                page: 1,\n                echo: 0,\n                loading: false,\n            };\n        },\n        ready: function () {\n            this.loading= true;\n            this.setSortOrders();\n            var self = this;\n            this.columns.forEach(function (column) {\n                var obj = self.buildColumnObject(column);\n                self.displayCols.push(obj);\n            });\n            if (this.ajax.enabled) {\n                if (!this.ajax.delegate) {\n                    this.loading= true;\n                    this.fetchData(function (data) {\n                        self.values = data.data;\n                        self.processFilter();\n                    });\n                }else\n                    this.processFilter();\n            }else\n                this.processFilter();\n        },\n        watch: {\n            values: function () {\n            },\n            columns: function () {\n                this.displayCols = [];\n                var self = this;\n                this.columns.forEach(function (column) {\n                    var obj = self.buildColumnObject(column);\n                    self.displayCols.push(obj);\n                });\n                this.setSortOrders();\n            },\n            showFilter: function () {\n                this.filterKey = \"\";\n            },\n            showColumnPicker: function () {\n                this.columnMenuOpen = false;\n\n                this.displayCols.forEach(function (column) {\n                    column.visible = true;\n                });\n            },\n            filterKey: function () {\n                // filter was updated, so resetting to page 1\n                this.page = 1;\n                this.processFilter();\n            },\n            sortKey: function () {\n                this.processFilter();\n            },\n            sortDir: function () {\n                this.processFilter();\n            },\n            page: function () {\n                this.processFilter();\n            },\n            paginated: function () {\n                this.processFilter();\n            },\n            loading: function () {\n                /*document.getElementById(\"loadingdiv\").style.width = document.getElementById(\"maindiv\").getBoundingClientRect().width + \"px\";\n                document.getElementById(\"loadingdiv\").style.height = document.getElementById(\"maindiv\").getBoundingClientRect().height+\"px\";*/\n            }\n        },\n        computed: {\n            validPageNumbers: function () {\n                // 5 page max\n                var result = [];\n                var start = 1;\n                if (this.page > 3)\n                    start = this.page-2;\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\n                    result.push(start);\n                    i++;\n                }\n                return result;\n            },\n            maxPage: function () {\n                return Math.ceil(this.filteredSize / this.pageSize);\n            },\n            showPaginationEtc: function () {\n                var temp = 1;\n                if (this.page > 3)\n                    temp = this.page-2;\n                return ( (temp+4) < this.maxPage  );\n            },\n        },\n        methods: {\n            processFilter: function () {\n                var self = this;\n                this.loading = true;\n                if ( this.ajax.enabled && this.ajax.delegate ) {\n                   this.fetchData(function (data) {\n                       self.filteredSize = data.filtered;\n                       self.filteredValues = data.data;\n                       self.loading = false;\n                   });\n                } else {\n                    var result = this.$options.filters.filterBy(this.values, this.filterKey);\n                    result = this.$options.filters.orderBy(result, this.sortKey, this.sortOrders[this.sortKey]);\n                    this.filteredSize = result.length;\n                    if (this.paginated) {\n                        var startIndex = (this.page - 1) * this.pageSize;\n                        var tIndex = 0;\n                        var tempResult = [];\n                        while (tIndex < this.pageSize) {\n                            if (typeof result[startIndex + tIndex] !== \"undefined\")\n                                tempResult.push(result[startIndex + tIndex]);\n                            tIndex++;\n                        }\n                        self.filteredValues = tempResult;\n                    } else\n                        self.filteredValues = result;\n                    self.loading = false;\n                }\n            },\n            fetchData: function ( dataCallBackFunction ) {\n                var self = this;\n                var ajaxParameters = {\n\n                };\n                this.echo++;\n                if (this.ajax.enabled && this.ajax.delegate) {\n                    if ( this.ajax.method=== \"GET\" ) {\n                        ajaxParameters.params.sortcol = this.sortKey;\n                        ajaxParameters.params.sortdir = this.sortDir;\n                        ajaxParameters.params.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.params.page = this.page;\n                            ajaxParameters.params.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.params.page = 1;\n                            ajaxParameters.params.pagesize = null;\n                        }\n                        ajaxParameters.params.echo = this.echo;\n                    }\n                    if ( this.ajax.method=== \"POST\" ) {\n                        ajaxParameters.sortcol = this.sortKey;\n                        ajaxParameters.sortdir = this.sortDir;\n                        ajaxParameters.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.page = this.page;\n                            ajaxParameters.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.page = 1;\n                            ajaxParameters.pagesize = null;\n                        }\n                        ajaxParameters.echo = this.echo;\n                    }\n                    //console.log(JSON.stringify(ajaxParameters));\n                }\n                if (this.ajax.enabled && this.ajax.method === \"GET\") {\n                    axios.get(self.ajax.url, ajaxParameters )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n                if (this.ajax.enabled && this.ajax.method === \"POST\") {\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n            },\n            buildColumnObject: function (column) {\n                var obj = {};\n                obj.title = column.title;\n                if ( typeof column.name !== \"undefined\")\n                    obj.name = column.name;\n                else\n                    obj.name = column.title;\n                if ( typeof column.visible !== \"undefined\")\n                    obj.visible = column.visible;\n                else\n                    obj.visible = true;\n                if ( typeof column.editable !== \"undefined\")\n                    obj.editable = column.editable;\n                else\n                    obj.editable = false;\n                return obj;\n            },\n            setSortOrders: function () {\n                this.sortKey = \"\";\n                var sortOrders = {};\n                this.columns.forEach(function (column) {\n                    sortOrders[column.name] = 0;\n                });\n                this.sortOrders = sortOrders;\n\n            },\n            sortBy: function (key) {\n                if (this.sortable) {\n                    var self = this;\n                    this.sortKey = key;\n                    this.columns.forEach(function (column) {\n                        if (column.name !== key) {\n                            self.sortOrders[column.name] = 0;\n                        }\n                    });\n                    if (this.sortOrders[key] === 0) {\n                        this.sortOrders[key] = 1;\n                    } else {\n                        this.sortOrders[key] = this.sortOrders[key] * -1;\n                    }\n\n                    if (this.sortOrders[key] === 1)\n                        this.sortDir = \"ASC\";\n                    if (this.sortOrders[key] === -1)\n                        this.sortDir = \"DESC\";\n                }\n            },\n            getClasses: function (key) {\n                var classes = [];\n                if (this.sortable) {\n                    classes.push(\"arrow\");\n                    if (this.sortKey === key) {\n                        classes.push(\"active\");\n                    }\n                    if (this.sortOrders[key] === 1) {\n                        classes.push(\"asc\");\n                    } else if (this.sortOrders[key] === -1) {\n                        classes.push(\"dsc\");\n                    }\n                }\n                return classes;\n            },\n            toggleColumn: function (column) {\n                column.visible = !column.visible;\n            },\n            closeDropdown: function () {\n                this.columnMenuOpen = false;\n            },\n        },\n        events: {\n        }\n    }\n</script>"],"sourceRoot":"webpack://"}]);
+	exports.push([module.id, "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        -webkit-animation: spin 2s linear infinite;\n                animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @-webkit-keyframes spin {\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\n    }\n\n    @keyframes spin {\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\E150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\E155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\E156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n", "", {"version":3,"sources":["/./src/VueBootstrapTable.vue?74e76db7"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;IAkFA;;KAEA;;IAEA;;;;;;EAMA;IACA;QACA,2BAAA,CAAA,gBAAA;QACA,+BAAA,CAAA,UAAA;QACA,mBAAA;QACA,aAAA;QACA,cAAA;QACA,2CAAA;gBAAA,mCAAA;QACA,mBAAA;QACA,UAAA;QACA,SAAA;QACA,wBAAA;KACA;;IAEA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;IAHA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;;IAGA;QACA,mBAAA;QACA,YAAA;QACA,uBAAA;QACA,aAAA;QACA,YAAA;QACA,aAAA;KACA;;IAEA;QACA,cAAA;KACA;;IAEA;QACA,gBAAA;QACA,+BAAA;KACA;;IAEA;;OAEA;;IAEA;QACA,WAAA;QACA,mBAAA;KACA;;IAEA;QACA,mBAAA;QACA,YAAA;QACA,WAAA;QACA,eAAA;QACA,oCAAA;QACA,iBAAA;QACA;;;;;;wBAMA;KACA;;IAEA;QACA,iBAAA;QACA;;;;UAIA;KACA;;IAEA;QACA,iBAAA;KACA;;;IAGA;QACA,eAAA;KACA;;IAEA;;;;;;OAMA","file":"VueBootstrapTable.vue","sourcesContent":["<template>\n    <div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n        <!--<pre>{{columns | json}}</pre>-->\n        <!--<pre>{{$data | json}}</pre>-->\n        <div class=\"col-sm-6\">\n            <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n                <div class=\"input-group\">\n                    <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                    <div class=\"input-group-addon\">\n                        <i class=\"glyphicon glyphicon-search\"></i>\n                    </div>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-6\">\n            <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n                <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                    <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                            type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                            aria-haspopup=\"true\">\n                        Columns <span class=\"caret\"></span>\n                    </button>\n                    <ul class=\"dropdown-menu\">\n                        <li v-for=\"column in displayCols\">\n                            <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                                <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                            </a>\n                        </li>\n                    </ul>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-12\">\n            <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n                <div class=\"spinner\"></div>\n            </div>\n            <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n                <thead>\n                    <tr>\n                        <th v-for=\"column in displayColsVisible\" @click=\"sortBy($event, column.name)\"\n                            track-by=\"$index\"\n                            :class=\"getClasses(column.name)\">\n                            {{ column.title }}\n                        </th>\n                    </tr>\n                </thead>\n                <tbody>\n                    <tr v-for=\"entry in filteredValuesSorted \" track-by=\"$index\">\n                        <td v-for=\"column in displayColsVisible\" track-by=\"$index\"\n                            v-show=\"column.visible\">\n\n                            <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                            <value-field-section v-else\n                                :entry=\"entry\"\n                                :columnname=\"column.name\"></value-field-section>\n                        </td>\n                    </tr>\n                </tbody>\n            </table>\n        </div>\n        <div v-if=\"paginated\" class=\"col-sm-12\">\n            <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n              <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n              </div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n                <button v-for=\"index in validPageNumbers\"\n                    type=\"button\" class=\"btn btn-default\"\n                    :class=\"{ active: this.page===index }\"\n                    @click=\"this.page=index\">\n                        {{index}}\n                </button>\n              </div>\n              <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n              </div>\n            </div>\n        </div>\n    </div>\n</template>\n<style>\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @keyframes spin {\n        0% { transform: rotate(0deg); }\n        100% { transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\e150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\e155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\e156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n</style>\n<script>\n\n    import axios from 'axios';\n    import qs from 'qs';\n    import lodash from 'lodash';\n\n\n    /* Field Section used for displaying and editing value of cell */\n    var valueFieldSection = {\n      template: '<span v-if=\"!enabled\" @dblclick=\"toggleInput\" class=\"editableField\">{{this.entry[this.columnname]}}</span>'+\n          '<div v-if=\"enabled\" class=\"input-group\">'+\n          '  <input type=\"text\" class=\"form-control\" v-model=\"datavalue\" @keyup.enter=\"saveThis\" @keyup.esc=\"cancelThis\">'+\n          '  <span class=\"input-group-btn\">'+\n          '    <button class=\"btn btn-danger\" type=\"button\" @click=\"cancelThis\" ><span class=\"glyphicon glyphicon-remove\" aria-hidden=\"true\"></span></button>'+\n          '    <button class=\"btn btn-primary\" type=\"button\" @click=\"saveThis\" ><span class=\"glyphicon glyphicon-ok\" aria-hidden=\"true\"></span></button>'+\n          '  </span>'+\n          '</div>',\n      props: ['entry','columnname'],\n      data: function () {\n          return {\n              enabled: false,\n              datavalue: \"\",\n          }\n      },\n      methods: {\n        saveThis: function () {\n            var originalValue = this.entry[this.columnname];\n            this.entry[this.columnname] = this.datavalue;\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.datavalue, this.columnname,  this.entry);\n            this.enabled = !this.enabled;\n        },\n        cancelThis: function () {\n            this.datavalue = this.entry[this.columnname];\n            this.enabled = !this.enabled;\n        },\n        toggleInput: function () {\n            this.datavalue= this.entry[this.columnname];\n            this.enabled=!this.enabled;\n        },\n      }\n    };\n\n    export default {\n        name: \"VueBootstrapTable\",\n        components: {\n            'value-field-section': valueFieldSection,\n        },\n        props: {\n            /**\n             * The column titles, required\n             */\n            columns: {\n                type: Array,\n                required: true,\n            },\n            /**\n             * The rows, an Array of objects\n             */\n            values: {\n                type: Array,\n                required: false,\n            },\n            /**\n             * Enable/disable table sorting, optional, default true\n             */\n            sortable: {\n                type: Boolean,\n                required: false,\n                default: true,\n            },\n            /**\n             * Enable/disable table multicolumn sorting, optional, default false.\n             * Also sortable must be enabled for this function to work.\n             */\n            multiColumnSortable: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable input filter, optional, default false\n             */\n            showFilter: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable column picker to show/hide table columns, optional, default false\n             */\n            showColumnPicker: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable pagination for the table, optional, default false\n             */\n            paginated: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * If pagination is enabled defining the page size, optional, default 10\n             */\n            pageSize: {\n                type: Number,\n                required: false,\n                default: 10,\n            },\n            /**\n             * If loading of table is to be done through ajax, then this object must be set\n             */\n            ajax: {\n                type: Object,\n                required: false,\n                default: function () {\n                    return {\n                        enabled: false,\n                        url: \"\",\n                        method: \"GET\",\n                        delegate: false,\n                    }\n                }\n            },\n        },\n        data: function () {\n            return {\n                filteredSize: 0,\n                filterKey: \"\",\n                sortKey: [],\n                sortOrders: {},\n                sortChanged: 1,\n                columnMenuOpen: false,\n                displayCols: [],\n                filteredValues: [],\n                page: 1,\n                echo: 0,\n                loading: false,\n            };\n        },\n        ready: function () {\n            this.loading= true;\n            this.setSortOrders();\n            var self = this;\n            this.columns.forEach(function (column) {\n                var obj = self.buildColumnObject(column);\n                self.displayCols.push(obj);\n            });\n            if (this.ajax.enabled) {\n                if (!this.ajax.delegate) {\n                    this.loading= true;\n                    this.fetchData(function (data) {\n                        self.values = data.data;\n                        self.processFilter();\n                    });\n                }else\n                    this.processFilter();\n            }else\n                this.processFilter();\n        },\n        watch: {\n            values: function () {\n                this.processFilter();\n            },\n            columns: function () {\n                this.displayCols = [];\n                var self = this;\n                this.columns.forEach(function (column) {\n                    var obj = self.buildColumnObject(column);\n                    self.displayCols.push(obj);\n                });\n                this.setSortOrders();\n            },\n            showFilter: function () {\n                this.filterKey = \"\";\n            },\n            showColumnPicker: function () {\n                this.columnMenuOpen = false;\n\n                this.displayCols.forEach(function (column) {\n                    column.visible = true;\n                });\n            },\n            filterKey: function () {\n                // filter was updated, so resetting to page 1\n                this.page = 1;\n                this.processFilter();\n            },\n            sortKey: function () {\n                this.processFilter();\n            },\n            sortChanged: function () {\n                this.processFilter();\n            },\n            page: function () {\n                this.processFilter();\n            },\n            paginated: function () {\n                this.processFilter();\n            },\n            loading: function () {\n                /*document.getElementById(\"loadingdiv\").style.width = document.getElementById(\"maindiv\").getBoundingClientRect().width + \"px\";\n                document.getElementById(\"loadingdiv\").style.height = document.getElementById(\"maindiv\").getBoundingClientRect().height+\"px\";*/\n            }\n        },\n        computed: {\n            displayColsVisible: function () {\n                var displayColsVisible = [];\n                for (var a in this.displayCols) {\n                    if (this.displayCols[a].visible)\n                        displayColsVisible.push(this.displayCols[a]);\n                }\n                return displayColsVisible;\n            },\n            filteredValuesSorted: function () {\n                var tColsDir = [];\n                for(var i=0, len=this.sortKey.length; i < len; i++){\n                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                }\n                return _.orderBy(this.filteredValues, this.sortKey , tColsDir);\n            },\n            validPageNumbers: function () {\n                // 5 page max\n                var result = [];\n                var start = 1;\n                if (this.page > 3)\n                    start = this.page-2;\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\n                    result.push(start);\n                    i++;\n                }\n                return result;\n            },\n            maxPage: function () {\n                return Math.ceil(this.filteredSize / this.pageSize);\n            },\n            showPaginationEtc: function () {\n                var temp = 1;\n                if (this.page > 3)\n                    temp = this.page-2;\n                return ( (temp+4) < this.maxPage  );\n            },\n        },\n        methods: {\n            processFilter: function () {\n                var self = this;\n                this.loading = true;\n                if ( this.ajax.enabled && this.ajax.delegate ) {\n                   this.fetchData(function (data) {\n                       self.filteredSize = data.filtered;\n                       self.filteredValues = data.data;\n                       self.loading = false;\n                   });\n                } else {\n                    var result = this.values.filter(item => {\n                                var good = false;\n                                for (var col in self.displayColsVisible) {\n                                    if ( _.includes(item[self.displayColsVisible[col].name]+\"\" , self.filterKey+\"\")){\n                                        good = true;\n                                    }\n                                }\n                                return good;\n                    });\n\n                    var tColsDir = [];\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                    }\n\n                    result = _.orderBy(result, this.sortKey, tColsDir);\n\n                    this.filteredSize = result.length;\n                    if (this.paginated) {\n                        var startIndex = (this.page - 1) * this.pageSize;\n                        var tIndex = 0;\n                        var tempResult = [];\n                        while (tIndex < this.pageSize) {\n                            if (typeof result[startIndex + tIndex] !== \"undefined\")\n                                tempResult.push(result[startIndex + tIndex]);\n                            tIndex++;\n                        }\n                        self.filteredValues = tempResult;\n                    } else\n                        self.filteredValues = result;\n                    self.loading = false;\n                }\n            },\n            fetchData: function ( dataCallBackFunction ) {\n                var self = this;\n                var ajaxParameters = {\n                    params: {}\n                };\n                this.echo++;\n                if (this.ajax.enabled && this.ajax.delegate) {\n                    var tColsDir = [];\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                    }\n                    if ( this.ajax.method=== \"GET\" ) {\n                        ajaxParameters.params.sortcol = this.sortKey;\n                        ajaxParameters.params.sortdir = tColsDir;\n                        ajaxParameters.params.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.params.page = this.page;\n                            ajaxParameters.params.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.params.page = 1;\n                            ajaxParameters.params.pagesize = null;\n                        }\n                        ajaxParameters.params.echo = this.echo;\n                    }\n                    if ( this.ajax.method=== \"POST\" ) {\n                        ajaxParameters.sortcol = this.sortKey;\n                        ajaxParameters.sortdir = tColsDir;\n                        ajaxParameters.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.page = this.page;\n                            ajaxParameters.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.page = 1;\n                            ajaxParameters.pagesize = null;\n                        }\n                        ajaxParameters.echo = this.echo;\n                    }\n                    //console.log(JSON.stringify(ajaxParameters));\n                }\n                if (this.ajax.enabled && this.ajax.method === \"GET\") {\n                    axios.get(self.ajax.url, ajaxParameters )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n                if (this.ajax.enabled && this.ajax.method === \"POST\") {\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n            },\n            buildColumnObject: function (column) {\n                var obj = {};\n                obj.title = column.title;\n                if ( typeof column.name !== \"undefined\")\n                    obj.name = column.name;\n                else\n                    obj.name = column.title;\n                if ( typeof column.visible !== \"undefined\")\n                    obj.visible = column.visible;\n                else\n                    obj.visible = true;\n                if ( typeof column.editable !== \"undefined\")\n                    obj.editable = column.editable;\n                else\n                    obj.editable = false;\n                return obj;\n            },\n            setSortOrders: function () {\n                this.sortKey = [];\n                var sortOrders = {};\n                this.columns.forEach(function (column) {\n                    sortOrders[column.name] = \"\";\n                });\n                this.sortOrders = sortOrders;\n\n            },\n            sortBy: function (event, key) {\n                if (this.sortable) {\n                    var self = this;\n\n                    if (!this.multiColumnSortable || ( this.multiColumnSortable && !event.shiftKey)) {\n                        this.sortKey = [key];\n                        this.columns.forEach(function (column) {\n                            if (column.name !== key) {\n                                self.sortOrders[column.name] = \"\";\n                            }\n                        });\n                    } else {\n                        if (_.findIndex(this.sortKey, function(o) { return o === key; }) === -1) {\n                            this.sortKey.push(key);\n                        }\n                    }\n                    if (this.sortOrders[key] === \"\") {\n                        this.sortOrders[key] = \"ASC\";\n                    } else if (this.sortOrders[key] === \"ASC\") {\n                        this.sortOrders[key] = \"DESC\";\n                    } else {\n                        this.sortOrders[key] = \"ASC\";\n                    }\n\n                    this.sortChanged = this.sortChanged * -1;\n                }\n            },\n            getClasses: function (key) {\n                var classes = [];\n                if (this.sortable) {\n                    classes.push(\"arrow\");\n                    /*if (this.sortKey === key) {\n                        classes.push(\"active\");\n                    }*/\n                    if (_.findIndex(this.sortKey, function(o) { return o === key; }) !== -1) {\n                        classes.push(\"active\");\n                    }\n\n                    if (this.sortOrders[key] === \"ASC\") {\n                        classes.push(\"asc\");\n                    } else if (this.sortOrders[key] === \"DESC\") {\n                        classes.push(\"dsc\");\n                    }\n                }\n                return classes;\n            },\n            toggleColumn: function (column) {\n                column.visible = !column.visible;\n            },\n            closeDropdown: function () {\n                this.columnMenuOpen = false;\n            },\n        },\n        events: {\n        }\n    }\n</script>"],"sourceRoot":"webpack://"}]);
 	
 	// exports
 
@@ -434,10 +434,39 @@ return /******/ (function(modules) { // webpackBootstrap
 	
 	var _qs2 = _interopRequireDefault(_qs);
 	
+	var _lodash = __webpack_require__(42);
+	
+	var _lodash2 = _interopRequireDefault(_lodash);
+	
 	function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 	
 	/* Field Section used for displaying and editing value of cell */
-	// <template>
+	var valueFieldSection = {
+	    template: '<span v-if="!enabled" @dblclick="toggleInput" class="editableField">{{this.entry[this.columnname]}}</span>' + '<div v-if="enabled" class="input-group">' + '  <input type="text" class="form-control" v-model="datavalue" @keyup.enter="saveThis" @keyup.esc="cancelThis">' + '  <span class="input-group-btn">' + '    <button class="btn btn-danger" type="button" @click="cancelThis" ><span class="glyphicon glyphicon-remove" aria-hidden="true"></span></button>' + '    <button class="btn btn-primary" type="button" @click="saveThis" ><span class="glyphicon glyphicon-ok" aria-hidden="true"></span></button>' + '  </span>' + '</div>',
+	    props: ['entry', 'columnname'],
+	    data: function data() {
+	        return {
+	            enabled: false,
+	            datavalue: ""
+	        };
+	    },
+	    methods: {
+	        saveThis: function saveThis() {
+	            var originalValue = this.entry[this.columnname];
+	            this.entry[this.columnname] = this.datavalue;
+	            this.$dispatch('cellDataModifiedEvent', originalValue, this.datavalue, this.columnname, this.entry);
+	            this.enabled = !this.enabled;
+	        },
+	        cancelThis: function cancelThis() {
+	            this.datavalue = this.entry[this.columnname];
+	            this.enabled = !this.enabled;
+	        },
+	        toggleInput: function toggleInput() {
+	            this.datavalue = this.entry[this.columnname];
+	            this.enabled = !this.enabled;
+	        }
+	    }
+	}; // <template>
 	//     <div id="maindiv" @click="closeDropdown" @keyup.esc="closeDropdown">
 	//         <!--<pre>{{columns | json}}</pre>-->
 	//         <!--<pre>{{$data | json}}</pre>-->
@@ -476,7 +505,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	//             <table class="table table-bordered table-hover table-condensed table-striped vue-table">
 	//                 <thead>
 	//                     <tr>
-	//                         <th v-for="column in displayCols | filterBy true in 'visible'" @click="sortBy(column.name)"
+	//                         <th v-for="column in displayColsVisible" @click="sortBy($event, column.name)"
 	//                             track-by="$index"
 	//                             :class="getClasses(column.name)">
 	//                             {{ column.title }}
@@ -484,14 +513,14 @@ return /******/ (function(modules) { // webpackBootstrap
 	//                     </tr>
 	//                 </thead>
 	//                 <tbody>
-	//                     <tr v-for="entry in filteredValues | orderBy sortKey sortOrders[sortKey]" track-by="$index">
-	//                         <td v-for="column in displayCols | filterBy true in 'visible'" track-by="$index"
+	//                     <tr v-for="entry in filteredValuesSorted " track-by="$index">
+	//                         <td v-for="column in displayColsVisible" track-by="$index"
 	//                             v-show="column.visible">
+	//
 	//                             <span v-if="!column.editable"> {{ entry[column.name] }} </span>
 	//                             <value-field-section v-else
 	//                                 :entry="entry"
-	//                                 :columnname="column.name"
-	//                                 :value="entry[column.name]"></value-field-section>
+	//                                 :columnname="column.name"></value-field-section>
 	//                         </td>
 	//                     </tr>
 	//                 </tbody>
@@ -505,7 +534,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	//               <div class="btn-group" role="group" aria-label="pages">
 	//                 <button v-for="index in validPageNumbers"
 	//                     type="button" class="btn btn-default"
-	//                     v-bind:class="{ active: this.page===index }"
+	//                     :class="{ active: this.page===index }"
 	//                     @click="this.page=index">
 	//                         {{index}}
 	//                 </button>
@@ -620,31 +649,6 @@ return /******/ (function(modules) { // webpackBootstrap
 	// </style>
 	// <script>
 	
-	var valueFieldSection = {
-	    template: '<span v-if="!enabled" @dblclick="toggleInput" class="editableField"> {{ value }} </span>' + '<div v-if="enabled" class="input-group">' + '  <input type="text" class="form-control" v-model="value" @keyup.enter="saveThis" @keyup.esc="cancelThis">' + '  <span class="input-group-btn">' + '    <button class="btn btn-danger" type="button" @click="cancelThis" ><span class="glyphicon glyphicon-remove" aria-hidden="true"></span></button>' + '    <button class="btn btn-primary" type="button" @click="saveThis" ><span class="glyphicon glyphicon-ok" aria-hidden="true"></span></button>' + '  </span>' + '</div>',
-	    props: ['entry', 'value', 'columnname'],
-	    data: function data() {
-	        return {
-	            enabled: false
-	        };
-	    },
-	    methods: {
-	        saveThis: function saveThis() {
-	            var originalValue = this.entry[this.columnname];
-	            this.entry[this.columnname] = this.value;
-	            this.$dispatch('cellDataModifiedEvent', originalValue, this.value, this.columnname, this.entry);
-	            this.enabled = !this.enabled;
-	        },
-	        cancelThis: function cancelThis() {
-	            this.value = this.entry[this.column - name];
-	            this.enabled = !this.enabled;
-	        },
-	        toggleInput: function toggleInput() {
-	            this.enabled = !this.enabled;
-	        }
-	    }
-	};
-	
 	exports.default = {
 	    name: "VueBootstrapTable",
 	    components: {
@@ -673,6 +677,15 @@ return /******/ (function(modules) { // webpackBootstrap
 	            required: false,
 	            default: true
 	        },
+	        /**
+	         * Enable/disable table multicolumn sorting, optional, default false.
+	         * Also sortable must be enabled for this function to work.
+	         */
+	        multiColumnSortable: {
+	            type: Boolean,
+	            required: false,
+	            default: false
+	        },
 	        /**
 	         * Enable/disable input filter, optional, default false
 	         */
@@ -725,9 +738,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	        return {
 	            filteredSize: 0,
 	            filterKey: "",
-	            sortKey: "",
-	            sortDir: "",
+	            sortKey: [],
 	            sortOrders: {},
+	            sortChanged: 1,
 	            columnMenuOpen: false,
 	            displayCols: [],
 	            filteredValues: [],
@@ -755,7 +768,9 @@ return /******/ (function(modules) { // webpackBootstrap
 	        } else this.processFilter();
 	    },
 	    watch: {
-	        values: function values() {},
+	        values: function values() {
+	            this.processFilter();
+	        },
 	        columns: function columns() {
 	            this.displayCols = [];
 	            var self = this;
@@ -783,7 +798,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	        sortKey: function sortKey() {
 	            this.processFilter();
 	        },
-	        sortDir: function sortDir() {
+	        sortChanged: function sortChanged() {
 	            this.processFilter();
 	        },
 	        page: function page() {
@@ -798,6 +813,20 @@ return /******/ (function(modules) { // webpackBootstrap
 	        }
 	    },
 	    computed: {
+	        displayColsVisible: function displayColsVisible() {
+	            var displayColsVisible = [];
+	            for (var a in this.displayCols) {
+	                if (this.displayCols[a].visible) displayColsVisible.push(this.displayCols[a]);
+	            }
+	            return displayColsVisible;
+	        },
+	        filteredValuesSorted: function filteredValuesSorted() {
+	            var tColsDir = [];
+	            for (var i = 0, len = this.sortKey.length; i < len; i++) {
+	                tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+	            }
+	            return _.orderBy(this.filteredValues, this.sortKey, tColsDir);
+	        },
 	        validPageNumbers: function validPageNumbers() {
 	            // 5 page max
 	            var result = [];
@@ -829,8 +858,23 @@ return /******/ (function(modules) { // webpackBootstrap
 	                    self.loading = false;
 	                });
 	            } else {
-	                var result = this.$options.filters.filterBy(this.values, this.filterKey);
-	                result = this.$options.filters.orderBy(result, this.sortKey, this.sortOrders[this.sortKey]);
+	                var result = this.values.filter(function (item) {
+	                    var good = false;
+	                    for (var col in self.displayColsVisible) {
+	                        if (_.includes(item[self.displayColsVisible[col].name] + "", self.filterKey + "")) {
+	                            good = true;
+	                        }
+	                    }
+	                    return good;
+	                });
+	
+	                var tColsDir = [];
+	                for (var i = 0, len = this.sortKey.length; i < len; i++) {
+	                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+	                }
+	
+	                result = _.orderBy(result, this.sortKey, tColsDir);
+	
 	                this.filteredSize = result.length;
 	                if (this.paginated) {
 	                    var startIndex = (this.page - 1) * this.pageSize;
@@ -849,12 +893,18 @@ return /******/ (function(modules) { // webpackBootstrap
 	            var _this = this;
 	
 	            var self = this;
-	            var ajaxParameters = {};
+	            var ajaxParameters = {
+	                params: {}
+	            };
 	            this.echo++;
 	            if (this.ajax.enabled && this.ajax.delegate) {
+	                var tColsDir = [];
+	                for (var i = 0, len = this.sortKey.length; i < len; i++) {
+	                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+	                }
 	                if (this.ajax.method === "GET") {
 	                    ajaxParameters.params.sortcol = this.sortKey;
-	                    ajaxParameters.params.sortdir = this.sortDir;
+	                    ajaxParameters.params.sortdir = tColsDir;
 	                    ajaxParameters.params.filter = this.filterKey;
 	                    if (self.paginated) {
 	                        ajaxParameters.params.page = this.page;
@@ -867,7 +917,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	                }
 	                if (this.ajax.method === "POST") {
 	                    ajaxParameters.sortcol = this.sortKey;
-	                    ajaxParameters.sortdir = this.sortDir;
+	                    ajaxParameters.sortdir = tColsDir;
 	                    ajaxParameters.filter = this.filterKey;
 	                    if (self.paginated) {
 	                        ajaxParameters.page = this.page;
@@ -910,42 +960,58 @@ return /******/ (function(modules) { // webpackBootstrap
 	            return obj;
 	        },
 	        setSortOrders: function setSortOrders() {
-	            this.sortKey = "";
+	            this.sortKey = [];
 	            var sortOrders = {};
 	            this.columns.forEach(function (column) {
-	                sortOrders[column.name] = 0;
+	                sortOrders[column.name] = "";
 	            });
 	            this.sortOrders = sortOrders;
 	        },
-	        sortBy: function sortBy(key) {
+	        sortBy: function sortBy(event, key) {
 	            if (this.sortable) {
 	                var self = this;
-	                this.sortKey = key;
-	                this.columns.forEach(function (column) {
-	                    if (column.name !== key) {
-	                        self.sortOrders[column.name] = 0;
+	
+	                if (!this.multiColumnSortable || this.multiColumnSortable && !event.shiftKey) {
+	                    this.sortKey = [key];
+	                    this.columns.forEach(function (column) {
+	                        if (column.name !== key) {
+	                            self.sortOrders[column.name] = "";
+	                        }
+	                    });
+	                } else {
+	                    if (_.findIndex(this.sortKey, function (o) {
+	                        return o === key;
+	                    }) === -1) {
+	                        this.sortKey.push(key);
 	                    }
-	                });
-	                if (this.sortOrders[key] === 0) {
-	                    this.sortOrders[key] = 1;
+	                }
+	                if (this.sortOrders[key] === "") {
+	                    this.sortOrders[key] = "ASC";
+	                } else if (this.sortOrders[key] === "ASC") {
+	                    this.sortOrders[key] = "DESC";
 	                } else {
-	                    this.sortOrders[key] = this.sortOrders[key] * -1;
+	                    this.sortOrders[key] = "ASC";
 	                }
 	
-	                if (this.sortOrders[key] === 1) this.sortDir = "ASC";
-	                if (this.sortOrders[key] === -1) this.sortDir = "DESC";
+	                this.sortChanged = this.sortChanged * -1;
 	            }
 	        },
 	        getClasses: function getClasses(key) {
 	            var classes = [];
 	            if (this.sortable) {
 	                classes.push("arrow");
-	                if (this.sortKey === key) {
+	                /*if (this.sortKey === key) {
+	                    classes.push("active");
+	                }*/
+	                if (_.findIndex(this.sortKey, function (o) {
+	                    return o === key;
+	                }) !== -1) {
 	                    classes.push("active");
 	                }
-	                if (this.sortOrders[key] === 1) {
+	
+	                if (this.sortOrders[key] === "ASC") {
 	                    classes.push("asc");
-	                } else if (this.sortOrders[key] === -1) {
+	                } else if (this.sortOrders[key] === "DESC") {
 	                    classes.push("dsc");
 	                }
 	            }
@@ -5294,9 +5360,17116 @@ return /******/ (function(modules) { // webpackBootstrap
 
 /***/ }),
 /* 42 */
+/***/ (function(module, exports, __webpack_require__) {
+
+	var __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**
+	 * @license
+	 * Lodash <https://lodash.com/>
+	 * Copyright JS Foundation and other contributors <https://js.foundation/>
+	 * Released under MIT license <https://lodash.com/license>
+	 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+	 * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+	 */
+	;(function() {
+	
+	  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+	  var undefined;
+	
+	  /** Used as the semantic version number. */
+	  var VERSION = '4.17.4';
+	
+	  /** Used as the size to enable large array optimizations. */
+	  var LARGE_ARRAY_SIZE = 200;
+	
+	  /** Error message constants. */
+	  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
+	      FUNC_ERROR_TEXT = 'Expected a function';
+	
+	  /** Used to stand-in for `undefined` hash values. */
+	  var HASH_UNDEFINED = '__lodash_hash_undefined__';
+	
+	  /** Used as the maximum memoize cache size. */
+	  var MAX_MEMOIZE_SIZE = 500;
+	
+	  /** Used as the internal argument placeholder. */
+	  var PLACEHOLDER = '__lodash_placeholder__';
+	
+	  /** Used to compose bitmasks for cloning. */
+	  var CLONE_DEEP_FLAG = 1,
+	      CLONE_FLAT_FLAG = 2,
+	      CLONE_SYMBOLS_FLAG = 4;
+	
+	  /** Used to compose bitmasks for value comparisons. */
+	  var COMPARE_PARTIAL_FLAG = 1,
+	      COMPARE_UNORDERED_FLAG = 2;
+	
+	  /** Used to compose bitmasks for function metadata. */
+	  var WRAP_BIND_FLAG = 1,
+	      WRAP_BIND_KEY_FLAG = 2,
+	      WRAP_CURRY_BOUND_FLAG = 4,
+	      WRAP_CURRY_FLAG = 8,
+	      WRAP_CURRY_RIGHT_FLAG = 16,
+	      WRAP_PARTIAL_FLAG = 32,
+	      WRAP_PARTIAL_RIGHT_FLAG = 64,
+	      WRAP_ARY_FLAG = 128,
+	      WRAP_REARG_FLAG = 256,
+	      WRAP_FLIP_FLAG = 512;
+	
+	  /** Used as default options for `_.truncate`. */
+	  var DEFAULT_TRUNC_LENGTH = 30,
+	      DEFAULT_TRUNC_OMISSION = '...';
+	
+	  /** Used to detect hot functions by number of calls within a span of milliseconds. */
+	  var HOT_COUNT = 800,
+	      HOT_SPAN = 16;
+	
+	  /** Used to indicate the type of lazy iteratees. */
+	  var LAZY_FILTER_FLAG = 1,
+	      LAZY_MAP_FLAG = 2,
+	      LAZY_WHILE_FLAG = 3;
+	
+	  /** Used as references for various `Number` constants. */
+	  var INFINITY = 1 / 0,
+	      MAX_SAFE_INTEGER = 9007199254740991,
+	      MAX_INTEGER = 1.7976931348623157e+308,
+	      NAN = 0 / 0;
+	
+	  /** Used as references for the maximum length and index of an array. */
+	  var MAX_ARRAY_LENGTH = 4294967295,
+	      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
+	      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+	
+	  /** Used to associate wrap methods with their bit flags. */
+	  var wrapFlags = [
+	    ['ary', WRAP_ARY_FLAG],
+	    ['bind', WRAP_BIND_FLAG],
+	    ['bindKey', WRAP_BIND_KEY_FLAG],
+	    ['curry', WRAP_CURRY_FLAG],
+	    ['curryRight', WRAP_CURRY_RIGHT_FLAG],
+	    ['flip', WRAP_FLIP_FLAG],
+	    ['partial', WRAP_PARTIAL_FLAG],
+	    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
+	    ['rearg', WRAP_REARG_FLAG]
+	  ];
+	
+	  /** `Object#toString` result references. */
+	  var argsTag = '[object Arguments]',
+	      arrayTag = '[object Array]',
+	      asyncTag = '[object AsyncFunction]',
+	      boolTag = '[object Boolean]',
+	      dateTag = '[object Date]',
+	      domExcTag = '[object DOMException]',
+	      errorTag = '[object Error]',
+	      funcTag = '[object Function]',
+	      genTag = '[object GeneratorFunction]',
+	      mapTag = '[object Map]',
+	      numberTag = '[object Number]',
+	      nullTag = '[object Null]',
+	      objectTag = '[object Object]',
+	      promiseTag = '[object Promise]',
+	      proxyTag = '[object Proxy]',
+	      regexpTag = '[object RegExp]',
+	      setTag = '[object Set]',
+	      stringTag = '[object String]',
+	      symbolTag = '[object Symbol]',
+	      undefinedTag = '[object Undefined]',
+	      weakMapTag = '[object WeakMap]',
+	      weakSetTag = '[object WeakSet]';
+	
+	  var arrayBufferTag = '[object ArrayBuffer]',
+	      dataViewTag = '[object DataView]',
+	      float32Tag = '[object Float32Array]',
+	      float64Tag = '[object Float64Array]',
+	      int8Tag = '[object Int8Array]',
+	      int16Tag = '[object Int16Array]',
+	      int32Tag = '[object Int32Array]',
+	      uint8Tag = '[object Uint8Array]',
+	      uint8ClampedTag = '[object Uint8ClampedArray]',
+	      uint16Tag = '[object Uint16Array]',
+	      uint32Tag = '[object Uint32Array]';
+	
+	  /** Used to match empty string literals in compiled template source. */
+	  var reEmptyStringLeading = /\b__p \+= '';/g,
+	      reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
+	      reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+	
+	  /** Used to match HTML entities and HTML characters. */
+	  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
+	      reUnescapedHtml = /[&<>"']/g,
+	      reHasEscapedHtml = RegExp(reEscapedHtml.source),
+	      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+	
+	  /** Used to match template delimiters. */
+	  var reEscape = /<%-([\s\S]+?)%>/g,
+	      reEvaluate = /<%([\s\S]+?)%>/g,
+	      reInterpolate = /<%=([\s\S]+?)%>/g;
+	
+	  /** Used to match property names within property paths. */
+	  var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
+	      reIsPlainProp = /^\w*$/,
+	      reLeadingDot = /^\./,
+	      rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+	
+	  /**
+	   * Used to match `RegExp`
+	   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
+	   */
+	  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
+	      reHasRegExpChar = RegExp(reRegExpChar.source);
+	
+	  /** Used to match leading and trailing whitespace. */
+	  var reTrim = /^\s+|\s+$/g,
+	      reTrimStart = /^\s+/,
+	      reTrimEnd = /\s+$/;
+	
+	  /** Used to match wrap detail comments. */
+	  var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
+	      reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
+	      reSplitDetails = /,? & /;
+	
+	  /** Used to match words composed of alphanumeric characters. */
+	  var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+	
+	  /** Used to match backslashes in property paths. */
+	  var reEscapeChar = /\\(\\)?/g;
+	
+	  /**
+	   * Used to match
+	   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
+	   */
+	  var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+	
+	  /** Used to match `RegExp` flags from their coerced string values. */
+	  var reFlags = /\w*$/;
+	
+	  /** Used to detect bad signed hexadecimal string values. */
+	  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+	
+	  /** Used to detect binary string values. */
+	  var reIsBinary = /^0b[01]+$/i;
+	
+	  /** Used to detect host constructors (Safari). */
+	  var reIsHostCtor = /^\[object .+?Constructor\]$/;
+	
+	  /** Used to detect octal string values. */
+	  var reIsOctal = /^0o[0-7]+$/i;
+	
+	  /** Used to detect unsigned integer values. */
+	  var reIsUint = /^(?:0|[1-9]\d*)$/;
+	
+	  /** Used to match Latin Unicode letters (excluding mathematical operators). */
+	  var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+	
+	  /** Used to ensure capturing order of template delimiters. */
+	  var reNoMatch = /($^)/;
+	
+	  /** Used to match unescaped characters in compiled string literals. */
+	  var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+	
+	  /** Used to compose unicode character classes. */
+	  var rsAstralRange = '\\ud800-\\udfff',
+	      rsComboMarksRange = '\\u0300-\\u036f',
+	      reComboHalfMarksRange = '\\ufe20-\\ufe2f',
+	      rsComboSymbolsRange = '\\u20d0-\\u20ff',
+	      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,
+	      rsDingbatRange = '\\u2700-\\u27bf',
+	      rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff',
+	      rsMathOpRange = '\\xac\\xb1\\xd7\\xf7',
+	      rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf',
+	      rsPunctuationRange = '\\u2000-\\u206f',
+	      rsSpaceRange = ' \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000',
+	      rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde',
+	      rsVarRange = '\\ufe0e\\ufe0f',
+	      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+	
+	  /** Used to compose unicode capture groups. */
+	  var rsApos = "['\u2019]",
+	      rsAstral = '[' + rsAstralRange + ']',
+	      rsBreak = '[' + rsBreakRange + ']',
+	      rsCombo = '[' + rsComboRange + ']',
+	      rsDigits = '\\d+',
+	      rsDingbat = '[' + rsDingbatRange + ']',
+	      rsLower = '[' + rsLowerRange + ']',
+	      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',
+	      rsFitz = '\\ud83c[\\udffb-\\udfff]',
+	      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',
+	      rsNonAstral = '[^' + rsAstralRange + ']',
+	      rsRegional = '(?:\\ud83c[\\udde6-\\uddff]){2}',
+	      rsSurrPair = '[\\ud800-\\udbff][\\udc00-\\udfff]',
+	      rsUpper = '[' + rsUpperRange + ']',
+	      rsZWJ = '\\u200d';
+	
+	  /** Used to compose unicode regexes. */
+	  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',
+	      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',
+	      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',
+	      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',
+	      reOptMod = rsModifier + '?',
+	      rsOptVar = '[' + rsVarRange + ']?',
+	      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',
+	      rsOrdLower = '\\d*(?:(?:1st|2nd|3rd|(?![123])\\dth)\\b)',
+	      rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
+	      rsSeq = rsOptVar + reOptMod + rsOptJoin,
+	      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
+	      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
+	
+	  /** Used to match apostrophes. */
+	  var reApos = RegExp(rsApos, 'g');
+	
+	  /**
+	   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
+	   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
+	   */
+	  var reComboMark = RegExp(rsCombo, 'g');
+	
+	  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
+	  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
+	
+	  /** Used to match complex or compound words. */
+	  var reUnicodeWord = RegExp([
+	    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',
+	    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',
+	    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,
+	    rsUpper + '+' + rsOptContrUpper,
+	    rsOrdUpper,
+	    rsOrdLower,
+	    rsDigits,
+	    rsEmoji
+	  ].join('|'), 'g');
+	
+	  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+	  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');
+	
+	  /** Used to detect strings that need a more robust regexp to match words. */
+	  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+	
+	  /** Used to assign default `context` object properties. */
+	  var contextProps = [
+	    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',
+	    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',
+	    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',
+	    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',
+	    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'
+	  ];
+	
+	  /** Used to make template sourceURLs easier to identify. */
+	  var templateCounter = -1;
+	
+	  /** Used to identify `toStringTag` values of typed arrays. */
+	  var typedArrayTags = {};
+	  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
+	  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
+	  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
+	  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
+	  typedArrayTags[uint32Tag] = true;
+	  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
+	  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
+	  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
+	  typedArrayTags[errorTag] = typedArrayTags[funcTag] =
+	  typedArrayTags[mapTag] = typedArrayTags[numberTag] =
+	  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
+	  typedArrayTags[setTag] = typedArrayTags[stringTag] =
+	  typedArrayTags[weakMapTag] = false;
+	
+	  /** Used to identify `toStringTag` values supported by `_.clone`. */
+	  var cloneableTags = {};
+	  cloneableTags[argsTag] = cloneableTags[arrayTag] =
+	  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
+	  cloneableTags[boolTag] = cloneableTags[dateTag] =
+	  cloneableTags[float32Tag] = cloneableTags[float64Tag] =
+	  cloneableTags[int8Tag] = cloneableTags[int16Tag] =
+	  cloneableTags[int32Tag] = cloneableTags[mapTag] =
+	  cloneableTags[numberTag] = cloneableTags[objectTag] =
+	  cloneableTags[regexpTag] = cloneableTags[setTag] =
+	  cloneableTags[stringTag] = cloneableTags[symbolTag] =
+	  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
+	  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
+	  cloneableTags[errorTag] = cloneableTags[funcTag] =
+	  cloneableTags[weakMapTag] = false;
+	
+	  /** Used to map Latin Unicode letters to basic Latin letters. */
+	  var deburredLetters = {
+	    // Latin-1 Supplement block.
+	    '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
+	    '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
+	    '\xc7': 'C',  '\xe7': 'c',
+	    '\xd0': 'D',  '\xf0': 'd',
+	    '\xc8': 'E',  '\xc9': 'E', '\xca': 'E', '\xcb': 'E',
+	    '\xe8': 'e',  '\xe9': 'e', '\xea': 'e', '\xeb': 'e',
+	    '\xcc': 'I',  '\xcd': 'I', '\xce': 'I', '\xcf': 'I',
+	    '\xec': 'i',  '\xed': 'i', '\xee': 'i', '\xef': 'i',
+	    '\xd1': 'N',  '\xf1': 'n',
+	    '\xd2': 'O',  '\xd3': 'O', '\xd4': 'O', '\xd5': 'O', '\xd6': 'O', '\xd8': 'O',
+	    '\xf2': 'o',  '\xf3': 'o', '\xf4': 'o', '\xf5': 'o', '\xf6': 'o', '\xf8': 'o',
+	    '\xd9': 'U',  '\xda': 'U', '\xdb': 'U', '\xdc': 'U',
+	    '\xf9': 'u',  '\xfa': 'u', '\xfb': 'u', '\xfc': 'u',
+	    '\xdd': 'Y',  '\xfd': 'y', '\xff': 'y',
+	    '\xc6': 'Ae', '\xe6': 'ae',
+	    '\xde': 'Th', '\xfe': 'th',
+	    '\xdf': 'ss',
+	    // Latin Extended-A block.
+	    '\u0100': 'A',  '\u0102': 'A', '\u0104': 'A',
+	    '\u0101': 'a',  '\u0103': 'a', '\u0105': 'a',
+	    '\u0106': 'C',  '\u0108': 'C', '\u010a': 'C', '\u010c': 'C',
+	    '\u0107': 'c',  '\u0109': 'c', '\u010b': 'c', '\u010d': 'c',
+	    '\u010e': 'D',  '\u0110': 'D', '\u010f': 'd', '\u0111': 'd',
+	    '\u0112': 'E',  '\u0114': 'E', '\u0116': 'E', '\u0118': 'E', '\u011a': 'E',
+	    '\u0113': 'e',  '\u0115': 'e', '\u0117': 'e', '\u0119': 'e', '\u011b': 'e',
+	    '\u011c': 'G',  '\u011e': 'G', '\u0120': 'G', '\u0122': 'G',
+	    '\u011d': 'g',  '\u011f': 'g', '\u0121': 'g', '\u0123': 'g',
+	    '\u0124': 'H',  '\u0126': 'H', '\u0125': 'h', '\u0127': 'h',
+	    '\u0128': 'I',  '\u012a': 'I', '\u012c': 'I', '\u012e': 'I', '\u0130': 'I',
+	    '\u0129': 'i',  '\u012b': 'i', '\u012d': 'i', '\u012f': 'i', '\u0131': 'i',
+	    '\u0134': 'J',  '\u0135': 'j',
+	    '\u0136': 'K',  '\u0137': 'k', '\u0138': 'k',
+	    '\u0139': 'L',  '\u013b': 'L', '\u013d': 'L', '\u013f': 'L', '\u0141': 'L',
+	    '\u013a': 'l',  '\u013c': 'l', '\u013e': 'l', '\u0140': 'l', '\u0142': 'l',
+	    '\u0143': 'N',  '\u0145': 'N', '\u0147': 'N', '\u014a': 'N',
+	    '\u0144': 'n',  '\u0146': 'n', '\u0148': 'n', '\u014b': 'n',
+	    '\u014c': 'O',  '\u014e': 'O', '\u0150': 'O',
+	    '\u014d': 'o',  '\u014f': 'o', '\u0151': 'o',
+	    '\u0154': 'R',  '\u0156': 'R', '\u0158': 'R',
+	    '\u0155': 'r',  '\u0157': 'r', '\u0159': 'r',
+	    '\u015a': 'S',  '\u015c': 'S', '\u015e': 'S', '\u0160': 'S',
+	    '\u015b': 's',  '\u015d': 's', '\u015f': 's', '\u0161': 's',
+	    '\u0162': 'T',  '\u0164': 'T', '\u0166': 'T',
+	    '\u0163': 't',  '\u0165': 't', '\u0167': 't',
+	    '\u0168': 'U',  '\u016a': 'U', '\u016c': 'U', '\u016e': 'U', '\u0170': 'U', '\u0172': 'U',
+	    '\u0169': 'u',  '\u016b': 'u', '\u016d': 'u', '\u016f': 'u', '\u0171': 'u', '\u0173': 'u',
+	    '\u0174': 'W',  '\u0175': 'w',
+	    '\u0176': 'Y',  '\u0177': 'y', '\u0178': 'Y',
+	    '\u0179': 'Z',  '\u017b': 'Z', '\u017d': 'Z',
+	    '\u017a': 'z',  '\u017c': 'z', '\u017e': 'z',
+	    '\u0132': 'IJ', '\u0133': 'ij',
+	    '\u0152': 'Oe', '\u0153': 'oe',
+	    '\u0149': "'n", '\u017f': 's'
+	  };
+	
+	  /** Used to map characters to HTML entities. */
+	  var htmlEscapes = {
+	    '&': '&amp;',
+	    '<': '&lt;',
+	    '>': '&gt;',
+	    '"': '&quot;',
+	    "'": '&#39;'
+	  };
+	
+	  /** Used to map HTML entities to characters. */
+	  var htmlUnescapes = {
+	    '&amp;': '&',
+	    '&lt;': '<',
+	    '&gt;': '>',
+	    '&quot;': '"',
+	    '&#39;': "'"
+	  };
+	
+	  /** Used to escape characters for inclusion in compiled string literals. */
+	  var stringEscapes = {
+	    '\\': '\\',
+	    "'": "'",
+	    '\n': 'n',
+	    '\r': 'r',
+	    '\u2028': 'u2028',
+	    '\u2029': 'u2029'
+	  };
+	
+	  /** Built-in method references without a dependency on `root`. */
+	  var freeParseFloat = parseFloat,
+	      freeParseInt = parseInt;
+	
+	  /** Detect free variable `global` from Node.js. */
+	  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+	
+	  /** Detect free variable `self`. */
+	  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+	
+	  /** Used as a reference to the global object. */
+	  var root = freeGlobal || freeSelf || Function('return this')();
+	
+	  /** Detect free variable `exports`. */
+	  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+	
+	  /** Detect free variable `module`. */
+	  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+	
+	  /** Detect the popular CommonJS extension `module.exports`. */
+	  var moduleExports = freeModule && freeModule.exports === freeExports;
+	
+	  /** Detect free variable `process` from Node.js. */
+	  var freeProcess = moduleExports && freeGlobal.process;
+	
+	  /** Used to access faster Node.js helpers. */
+	  var nodeUtil = (function() {
+	    try {
+	      return freeProcess && freeProcess.binding && freeProcess.binding('util');
+	    } catch (e) {}
+	  }());
+	
+	  /* Node.js helper references. */
+	  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
+	      nodeIsDate = nodeUtil && nodeUtil.isDate,
+	      nodeIsMap = nodeUtil && nodeUtil.isMap,
+	      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
+	      nodeIsSet = nodeUtil && nodeUtil.isSet,
+	      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+	
+	  /*--------------------------------------------------------------------------*/
+	
+	  /**
+	   * Adds the key-value `pair` to `map`.
+	   *
+	   * @private
+	   * @param {Object} map The map to modify.
+	   * @param {Array} pair The key-value pair to add.
+	   * @returns {Object} Returns `map`.
+	   */
+	  function addMapEntry(map, pair) {
+	    // Don't return `map.set` because it's not chainable in IE 11.
+	    map.set(pair[0], pair[1]);
+	    return map;
+	  }
+	
+	  /**
+	   * Adds `value` to `set`.
+	   *
+	   * @private
+	   * @param {Object} set The set to modify.
+	   * @param {*} value The value to add.
+	   * @returns {Object} Returns `set`.
+	   */
+	  function addSetEntry(set, value) {
+	    // Don't return `set.add` because it's not chainable in IE 11.
+	    set.add(value);
+	    return set;
+	  }
+	
+	  /**
+	   * A faster alternative to `Function#apply`, this function invokes `func`
+	   * with the `this` binding of `thisArg` and the arguments of `args`.
+	   *
+	   * @private
+	   * @param {Function} func The function to invoke.
+	   * @param {*} thisArg The `this` binding of `func`.
+	   * @param {Array} args The arguments to invoke `func` with.
+	   * @returns {*} Returns the result of `func`.
+	   */
+	  function apply(func, thisArg, args) {
+	    switch (args.length) {
+	      case 0: return func.call(thisArg);
+	      case 1: return func.call(thisArg, args[0]);
+	      case 2: return func.call(thisArg, args[0], args[1]);
+	      case 3: return func.call(thisArg, args[0], args[1], args[2]);
+	    }
+	    return func.apply(thisArg, args);
+	  }
+	
+	  /**
+	   * A specialized version of `baseAggregator` for arrays.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} setter The function to set `accumulator` values.
+	   * @param {Function} iteratee The iteratee to transform keys.
+	   * @param {Object} accumulator The initial aggregated object.
+	   * @returns {Function} Returns `accumulator`.
+	   */
+	  function arrayAggregator(array, setter, iteratee, accumulator) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    while (++index < length) {
+	      var value = array[index];
+	      setter(accumulator, value, iteratee(value), array);
+	    }
+	    return accumulator;
+	  }
+	
+	  /**
+	   * A specialized version of `_.forEach` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {Array} Returns `array`.
+	   */
+	  function arrayEach(array, iteratee) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    while (++index < length) {
+	      if (iteratee(array[index], index, array) === false) {
+	        break;
+	      }
+	    }
+	    return array;
+	  }
+	
+	  /**
+	   * A specialized version of `_.forEachRight` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {Array} Returns `array`.
+	   */
+	  function arrayEachRight(array, iteratee) {
+	    var length = array == null ? 0 : array.length;
+	
+	    while (length--) {
+	      if (iteratee(array[length], length, array) === false) {
+	        break;
+	      }
+	    }
+	    return array;
+	  }
+	
+	  /**
+	   * A specialized version of `_.every` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} predicate The function invoked per iteration.
+	   * @returns {boolean} Returns `true` if all elements pass the predicate check,
+	   *  else `false`.
+	   */
+	  function arrayEvery(array, predicate) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    while (++index < length) {
+	      if (!predicate(array[index], index, array)) {
+	        return false;
+	      }
+	    }
+	    return true;
+	  }
+	
+	  /**
+	   * A specialized version of `_.filter` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} predicate The function invoked per iteration.
+	   * @returns {Array} Returns the new filtered array.
+	   */
+	  function arrayFilter(array, predicate) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length,
+	        resIndex = 0,
+	        result = [];
+	
+	    while (++index < length) {
+	      var value = array[index];
+	      if (predicate(value, index, array)) {
+	        result[resIndex++] = value;
+	      }
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * A specialized version of `_.includes` for arrays without support for
+	   * specifying an index to search from.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to inspect.
+	   * @param {*} target The value to search for.
+	   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+	   */
+	  function arrayIncludes(array, value) {
+	    var length = array == null ? 0 : array.length;
+	    return !!length && baseIndexOf(array, value, 0) > -1;
+	  }
+	
+	  /**
+	   * This function is like `arrayIncludes` except that it accepts a comparator.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to inspect.
+	   * @param {*} target The value to search for.
+	   * @param {Function} comparator The comparator invoked per element.
+	   * @returns {boolean} Returns `true` if `target` is found, else `false`.
+	   */
+	  function arrayIncludesWith(array, value, comparator) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    while (++index < length) {
+	      if (comparator(value, array[index])) {
+	        return true;
+	      }
+	    }
+	    return false;
+	  }
+	
+	  /**
+	   * A specialized version of `_.map` for arrays without support for iteratee
+	   * shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {Array} Returns the new mapped array.
+	   */
+	  function arrayMap(array, iteratee) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length,
+	        result = Array(length);
+	
+	    while (++index < length) {
+	      result[index] = iteratee(array[index], index, array);
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * Appends the elements of `values` to `array`.
+	   *
+	   * @private
+	   * @param {Array} array The array to modify.
+	   * @param {Array} values The values to append.
+	   * @returns {Array} Returns `array`.
+	   */
+	  function arrayPush(array, values) {
+	    var index = -1,
+	        length = values.length,
+	        offset = array.length;
+	
+	    while (++index < length) {
+	      array[offset + index] = values[index];
+	    }
+	    return array;
+	  }
+	
+	  /**
+	   * A specialized version of `_.reduce` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @param {*} [accumulator] The initial value.
+	   * @param {boolean} [initAccum] Specify using the first element of `array` as
+	   *  the initial value.
+	   * @returns {*} Returns the accumulated value.
+	   */
+	  function arrayReduce(array, iteratee, accumulator, initAccum) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    if (initAccum && length) {
+	      accumulator = array[++index];
+	    }
+	    while (++index < length) {
+	      accumulator = iteratee(accumulator, array[index], index, array);
+	    }
+	    return accumulator;
+	  }
+	
+	  /**
+	   * A specialized version of `_.reduceRight` for arrays without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @param {*} [accumulator] The initial value.
+	   * @param {boolean} [initAccum] Specify using the last element of `array` as
+	   *  the initial value.
+	   * @returns {*} Returns the accumulated value.
+	   */
+	  function arrayReduceRight(array, iteratee, accumulator, initAccum) {
+	    var length = array == null ? 0 : array.length;
+	    if (initAccum && length) {
+	      accumulator = array[--length];
+	    }
+	    while (length--) {
+	      accumulator = iteratee(accumulator, array[length], length, array);
+	    }
+	    return accumulator;
+	  }
+	
+	  /**
+	   * A specialized version of `_.some` for arrays without support for iteratee
+	   * shorthands.
+	   *
+	   * @private
+	   * @param {Array} [array] The array to iterate over.
+	   * @param {Function} predicate The function invoked per iteration.
+	   * @returns {boolean} Returns `true` if any element passes the predicate check,
+	   *  else `false`.
+	   */
+	  function arraySome(array, predicate) {
+	    var index = -1,
+	        length = array == null ? 0 : array.length;
+	
+	    while (++index < length) {
+	      if (predicate(array[index], index, array)) {
+	        return true;
+	      }
+	    }
+	    return false;
+	  }
+	
+	  /**
+	   * Gets the size of an ASCII `string`.
+	   *
+	   * @private
+	   * @param {string} string The string inspect.
+	   * @returns {number} Returns the string size.
+	   */
+	  var asciiSize = baseProperty('length');
+	
+	  /**
+	   * Converts an ASCII `string` to an array.
+	   *
+	   * @private
+	   * @param {string} string The string to convert.
+	   * @returns {Array} Returns the converted array.
+	   */
+	  function asciiToArray(string) {
+	    return string.split('');
+	  }
+	
+	  /**
+	   * Splits an ASCII `string` into an array of its words.
+	   *
+	   * @private
+	   * @param {string} The string to inspect.
+	   * @returns {Array} Returns the words of `string`.
+	   */
+	  function asciiWords(string) {
+	    return string.match(reAsciiWord) || [];
+	  }
+	
+	  /**
+	   * The base implementation of methods like `_.findKey` and `_.findLastKey`,
+	   * without support for iteratee shorthands, which iterates over `collection`
+	   * using `eachFunc`.
+	   *
+	   * @private
+	   * @param {Array|Object} collection The collection to inspect.
+	   * @param {Function} predicate The function invoked per iteration.
+	   * @param {Function} eachFunc The function to iterate over `collection`.
+	   * @returns {*} Returns the found element or its key, else `undefined`.
+	   */
+	  function baseFindKey(collection, predicate, eachFunc) {
+	    var result;
+	    eachFunc(collection, function(value, key, collection) {
+	      if (predicate(value, key, collection)) {
+	        result = key;
+	        return false;
+	      }
+	    });
+	    return result;
+	  }
+	
+	  /**
+	   * The base implementation of `_.findIndex` and `_.findLastIndex` without
+	   * support for iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {Function} predicate The function invoked per iteration.
+	   * @param {number} fromIndex The index to search from.
+	   * @param {boolean} [fromRight] Specify iterating from right to left.
+	   * @returns {number} Returns the index of the matched value, else `-1`.
+	   */
+	  function baseFindIndex(array, predicate, fromIndex, fromRight) {
+	    var length = array.length,
+	        index = fromIndex + (fromRight ? 1 : -1);
+	
+	    while ((fromRight ? index-- : ++index < length)) {
+	      if (predicate(array[index], index, array)) {
+	        return index;
+	      }
+	    }
+	    return -1;
+	  }
+	
+	  /**
+	   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {*} value The value to search for.
+	   * @param {number} fromIndex The index to search from.
+	   * @returns {number} Returns the index of the matched value, else `-1`.
+	   */
+	  function baseIndexOf(array, value, fromIndex) {
+	    return value === value
+	      ? strictIndexOf(array, value, fromIndex)
+	      : baseFindIndex(array, baseIsNaN, fromIndex);
+	  }
+	
+	  /**
+	   * This function is like `baseIndexOf` except that it accepts a comparator.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {*} value The value to search for.
+	   * @param {number} fromIndex The index to search from.
+	   * @param {Function} comparator The comparator invoked per element.
+	   * @returns {number} Returns the index of the matched value, else `-1`.
+	   */
+	  function baseIndexOfWith(array, value, fromIndex, comparator) {
+	    var index = fromIndex - 1,
+	        length = array.length;
+	
+	    while (++index < length) {
+	      if (comparator(array[index], value)) {
+	        return index;
+	      }
+	    }
+	    return -1;
+	  }
+	
+	  /**
+	   * The base implementation of `_.isNaN` without support for number objects.
+	   *
+	   * @private
+	   * @param {*} value The value to check.
+	   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	   */
+	  function baseIsNaN(value) {
+	    return value !== value;
+	  }
+	
+	  /**
+	   * The base implementation of `_.mean` and `_.meanBy` without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} array The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {number} Returns the mean.
+	   */
+	  function baseMean(array, iteratee) {
+	    var length = array == null ? 0 : array.length;
+	    return length ? (baseSum(array, iteratee) / length) : NAN;
+	  }
+	
+	  /**
+	   * The base implementation of `_.property` without support for deep paths.
+	   *
+	   * @private
+	   * @param {string} key The key of the property to get.
+	   * @returns {Function} Returns the new accessor function.
+	   */
+	  function baseProperty(key) {
+	    return function(object) {
+	      return object == null ? undefined : object[key];
+	    };
+	  }
+	
+	  /**
+	   * The base implementation of `_.propertyOf` without support for deep paths.
+	   *
+	   * @private
+	   * @param {Object} object The object to query.
+	   * @returns {Function} Returns the new accessor function.
+	   */
+	  function basePropertyOf(object) {
+	    return function(key) {
+	      return object == null ? undefined : object[key];
+	    };
+	  }
+	
+	  /**
+	   * The base implementation of `_.reduce` and `_.reduceRight`, without support
+	   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
+	   *
+	   * @private
+	   * @param {Array|Object} collection The collection to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @param {*} accumulator The initial value.
+	   * @param {boolean} initAccum Specify using the first or last element of
+	   *  `collection` as the initial value.
+	   * @param {Function} eachFunc The function to iterate over `collection`.
+	   * @returns {*} Returns the accumulated value.
+	   */
+	  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+	    eachFunc(collection, function(value, index, collection) {
+	      accumulator = initAccum
+	        ? (initAccum = false, value)
+	        : iteratee(accumulator, value, index, collection);
+	    });
+	    return accumulator;
+	  }
+	
+	  /**
+	   * The base implementation of `_.sortBy` which uses `comparer` to define the
+	   * sort order of `array` and replaces criteria objects with their corresponding
+	   * values.
+	   *
+	   * @private
+	   * @param {Array} array The array to sort.
+	   * @param {Function} comparer The function to define sort order.
+	   * @returns {Array} Returns `array`.
+	   */
+	  function baseSortBy(array, comparer) {
+	    var length = array.length;
+	
+	    array.sort(comparer);
+	    while (length--) {
+	      array[length] = array[length].value;
+	    }
+	    return array;
+	  }
+	
+	  /**
+	   * The base implementation of `_.sum` and `_.sumBy` without support for
+	   * iteratee shorthands.
+	   *
+	   * @private
+	   * @param {Array} array The array to iterate over.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {number} Returns the sum.
+	   */
+	  function baseSum(array, iteratee) {
+	    var result,
+	        index = -1,
+	        length = array.length;
+	
+	    while (++index < length) {
+	      var current = iteratee(array[index]);
+	      if (current !== undefined) {
+	        result = result === undefined ? current : (result + current);
+	      }
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * The base implementation of `_.times` without support for iteratee shorthands
+	   * or max array length checks.
+	   *
+	   * @private
+	   * @param {number} n The number of times to invoke `iteratee`.
+	   * @param {Function} iteratee The function invoked per iteration.
+	   * @returns {Array} Returns the array of results.
+	   */
+	  function baseTimes(n, iteratee) {
+	    var index = -1,
+	        result = Array(n);
+	
+	    while (++index < n) {
+	      result[index] = iteratee(index);
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
+	   * of key-value pairs for `object` corresponding to the property names of `props`.
+	   *
+	   * @private
+	   * @param {Object} object The object to query.
+	   * @param {Array} props The property names to get values for.
+	   * @returns {Object} Returns the key-value pairs.
+	   */
+	  function baseToPairs(object, props) {
+	    return arrayMap(props, function(key) {
+	      return [key, object[key]];
+	    });
+	  }
+	
+	  /**
+	   * The base implementation of `_.unary` without support for storing metadata.
+	   *
+	   * @private
+	   * @param {Function} func The function to cap arguments for.
+	   * @returns {Function} Returns the new capped function.
+	   */
+	  function baseUnary(func) {
+	    return function(value) {
+	      return func(value);
+	    };
+	  }
+	
+	  /**
+	   * The base implementation of `_.values` and `_.valuesIn` which creates an
+	   * array of `object` property values corresponding to the property names
+	   * of `props`.
+	   *
+	   * @private
+	   * @param {Object} object The object to query.
+	   * @param {Array} props The property names to get values for.
+	   * @returns {Object} Returns the array of property values.
+	   */
+	  function baseValues(object, props) {
+	    return arrayMap(props, function(key) {
+	      return object[key];
+	    });
+	  }
+	
+	  /**
+	   * Checks if a `cache` value for `key` exists.
+	   *
+	   * @private
+	   * @param {Object} cache The cache to query.
+	   * @param {string} key The key of the entry to check.
+	   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	   */
+	  function cacheHas(cache, key) {
+	    return cache.has(key);
+	  }
+	
+	  /**
+	   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
+	   * that is not found in the character symbols.
+	   *
+	   * @private
+	   * @param {Array} strSymbols The string symbols to inspect.
+	   * @param {Array} chrSymbols The character symbols to find.
+	   * @returns {number} Returns the index of the first unmatched string symbol.
+	   */
+	  function charsStartIndex(strSymbols, chrSymbols) {
+	    var index = -1,
+	        length = strSymbols.length;
+	
+	    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	    return index;
+	  }
+	
+	  /**
+	   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
+	   * that is not found in the character symbols.
+	   *
+	   * @private
+	   * @param {Array} strSymbols The string symbols to inspect.
+	   * @param {Array} chrSymbols The character symbols to find.
+	   * @returns {number} Returns the index of the last unmatched string symbol.
+	   */
+	  function charsEndIndex(strSymbols, chrSymbols) {
+	    var index = strSymbols.length;
+	
+	    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
+	    return index;
+	  }
+	
+	  /**
+	   * Gets the number of `placeholder` occurrences in `array`.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {*} placeholder The placeholder to search for.
+	   * @returns {number} Returns the placeholder count.
+	   */
+	  function countHolders(array, placeholder) {
+	    var length = array.length,
+	        result = 0;
+	
+	    while (length--) {
+	      if (array[length] === placeholder) {
+	        ++result;
+	      }
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
+	   * letters to basic Latin letters.
+	   *
+	   * @private
+	   * @param {string} letter The matched letter to deburr.
+	   * @returns {string} Returns the deburred letter.
+	   */
+	  var deburrLetter = basePropertyOf(deburredLetters);
+	
+	  /**
+	   * Used by `_.escape` to convert characters to HTML entities.
+	   *
+	   * @private
+	   * @param {string} chr The matched character to escape.
+	   * @returns {string} Returns the escaped character.
+	   */
+	  var escapeHtmlChar = basePropertyOf(htmlEscapes);
+	
+	  /**
+	   * Used by `_.template` to escape characters for inclusion in compiled string literals.
+	   *
+	   * @private
+	   * @param {string} chr The matched character to escape.
+	   * @returns {string} Returns the escaped character.
+	   */
+	  function escapeStringChar(chr) {
+	    return '\\' + stringEscapes[chr];
+	  }
+	
+	  /**
+	   * Gets the value at `key` of `object`.
+	   *
+	   * @private
+	   * @param {Object} [object] The object to query.
+	   * @param {string} key The key of the property to get.
+	   * @returns {*} Returns the property value.
+	   */
+	  function getValue(object, key) {
+	    return object == null ? undefined : object[key];
+	  }
+	
+	  /**
+	   * Checks if `string` contains Unicode symbols.
+	   *
+	   * @private
+	   * @param {string} string The string to inspect.
+	   * @returns {boolean} Returns `true` if a symbol is found, else `false`.
+	   */
+	  function hasUnicode(string) {
+	    return reHasUnicode.test(string);
+	  }
+	
+	  /**
+	   * Checks if `string` contains a word composed of Unicode symbols.
+	   *
+	   * @private
+	   * @param {string} string The string to inspect.
+	   * @returns {boolean} Returns `true` if a word is found, else `false`.
+	   */
+	  function hasUnicodeWord(string) {
+	    return reHasUnicodeWord.test(string);
+	  }
+	
+	  /**
+	   * Converts `iterator` to an array.
+	   *
+	   * @private
+	   * @param {Object} iterator The iterator to convert.
+	   * @returns {Array} Returns the converted array.
+	   */
+	  function iteratorToArray(iterator) {
+	    var data,
+	        result = [];
+	
+	    while (!(data = iterator.next()).done) {
+	      result.push(data.value);
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * Converts `map` to its key-value pairs.
+	   *
+	   * @private
+	   * @param {Object} map The map to convert.
+	   * @returns {Array} Returns the key-value pairs.
+	   */
+	  function mapToArray(map) {
+	    var index = -1,
+	        result = Array(map.size);
+	
+	    map.forEach(function(value, key) {
+	      result[++index] = [key, value];
+	    });
+	    return result;
+	  }
+	
+	  /**
+	   * Creates a unary function that invokes `func` with its argument transformed.
+	   *
+	   * @private
+	   * @param {Function} func The function to wrap.
+	   * @param {Function} transform The argument transform.
+	   * @returns {Function} Returns the new function.
+	   */
+	  function overArg(func, transform) {
+	    return function(arg) {
+	      return func(transform(arg));
+	    };
+	  }
+	
+	  /**
+	   * Replaces all `placeholder` elements in `array` with an internal placeholder
+	   * and returns an array of their indexes.
+	   *
+	   * @private
+	   * @param {Array} array The array to modify.
+	   * @param {*} placeholder The placeholder to replace.
+	   * @returns {Array} Returns the new array of placeholder indexes.
+	   */
+	  function replaceHolders(array, placeholder) {
+	    var index = -1,
+	        length = array.length,
+	        resIndex = 0,
+	        result = [];
+	
+	    while (++index < length) {
+	      var value = array[index];
+	      if (value === placeholder || value === PLACEHOLDER) {
+	        array[index] = PLACEHOLDER;
+	        result[resIndex++] = index;
+	      }
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * Converts `set` to an array of its values.
+	   *
+	   * @private
+	   * @param {Object} set The set to convert.
+	   * @returns {Array} Returns the values.
+	   */
+	  function setToArray(set) {
+	    var index = -1,
+	        result = Array(set.size);
+	
+	    set.forEach(function(value) {
+	      result[++index] = value;
+	    });
+	    return result;
+	  }
+	
+	  /**
+	   * Converts `set` to its value-value pairs.
+	   *
+	   * @private
+	   * @param {Object} set The set to convert.
+	   * @returns {Array} Returns the value-value pairs.
+	   */
+	  function setToPairs(set) {
+	    var index = -1,
+	        result = Array(set.size);
+	
+	    set.forEach(function(value) {
+	      result[++index] = [value, value];
+	    });
+	    return result;
+	  }
+	
+	  /**
+	   * A specialized version of `_.indexOf` which performs strict equality
+	   * comparisons of values, i.e. `===`.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {*} value The value to search for.
+	   * @param {number} fromIndex The index to search from.
+	   * @returns {number} Returns the index of the matched value, else `-1`.
+	   */
+	  function strictIndexOf(array, value, fromIndex) {
+	    var index = fromIndex - 1,
+	        length = array.length;
+	
+	    while (++index < length) {
+	      if (array[index] === value) {
+	        return index;
+	      }
+	    }
+	    return -1;
+	  }
+	
+	  /**
+	   * A specialized version of `_.lastIndexOf` which performs strict equality
+	   * comparisons of values, i.e. `===`.
+	   *
+	   * @private
+	   * @param {Array} array The array to inspect.
+	   * @param {*} value The value to search for.
+	   * @param {number} fromIndex The index to search from.
+	   * @returns {number} Returns the index of the matched value, else `-1`.
+	   */
+	  function strictLastIndexOf(array, value, fromIndex) {
+	    var index = fromIndex + 1;
+	    while (index--) {
+	      if (array[index] === value) {
+	        return index;
+	      }
+	    }
+	    return index;
+	  }
+	
+	  /**
+	   * Gets the number of symbols in `string`.
+	   *
+	   * @private
+	   * @param {string} string The string to inspect.
+	   * @returns {number} Returns the string size.
+	   */
+	  function stringSize(string) {
+	    return hasUnicode(string)
+	      ? unicodeSize(string)
+	      : asciiSize(string);
+	  }
+	
+	  /**
+	   * Converts `string` to an array.
+	   *
+	   * @private
+	   * @param {string} string The string to convert.
+	   * @returns {Array} Returns the converted array.
+	   */
+	  function stringToArray(string) {
+	    return hasUnicode(string)
+	      ? unicodeToArray(string)
+	      : asciiToArray(string);
+	  }
+	
+	  /**
+	   * Used by `_.unescape` to convert HTML entities to characters.
+	   *
+	   * @private
+	   * @param {string} chr The matched character to unescape.
+	   * @returns {string} Returns the unescaped character.
+	   */
+	  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+	
+	  /**
+	   * Gets the size of a Unicode `string`.
+	   *
+	   * @private
+	   * @param {string} string The string inspect.
+	   * @returns {number} Returns the string size.
+	   */
+	  function unicodeSize(string) {
+	    var result = reUnicode.lastIndex = 0;
+	    while (reUnicode.test(string)) {
+	      ++result;
+	    }
+	    return result;
+	  }
+	
+	  /**
+	   * Converts a Unicode `string` to an array.
+	   *
+	   * @private
+	   * @param {string} string The string to convert.
+	   * @returns {Array} Returns the converted array.
+	   */
+	  function unicodeToArray(string) {
+	    return string.match(reUnicode) || [];
+	  }
+	
+	  /**
+	   * Splits a Unicode `string` into an array of its words.
+	   *
+	   * @private
+	   * @param {string} The string to inspect.
+	   * @returns {Array} Returns the words of `string`.
+	   */
+	  function unicodeWords(string) {
+	    return string.match(reUnicodeWord) || [];
+	  }
+	
+	  /*--------------------------------------------------------------------------*/
+	
+	  /**
+	   * Create a new pristine `lodash` function using the `context` object.
+	   *
+	   * @static
+	   * @memberOf _
+	   * @since 1.1.0
+	   * @category Util
+	   * @param {Object} [context=root] The context object.
+	   * @returns {Function} Returns a new `lodash` function.
+	   * @example
+	   *
+	   * _.mixin({ 'foo': _.constant('foo') });
+	   *
+	   * var lodash = _.runInContext();
+	   * lodash.mixin({ 'bar': lodash.constant('bar') });
+	   *
+	   * _.isFunction(_.foo);
+	   * // => true
+	   * _.isFunction(_.bar);
+	   * // => false
+	   *
+	   * lodash.isFunction(lodash.foo);
+	   * // => false
+	   * lodash.isFunction(lodash.bar);
+	   * // => true
+	   *
+	   * // Create a suped-up `defer` in Node.js.
+	   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
+	   */
+	  var runInContext = (function runInContext(context) {
+	    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
+	
+	    /** Built-in constructor references. */
+	    var Array = context.Array,
+	        Date = context.Date,
+	        Error = context.Error,
+	        Function = context.Function,
+	        Math = context.Math,
+	        Object = context.Object,
+	        RegExp = context.RegExp,
+	        String = context.String,
+	        TypeError = context.TypeError;
+	
+	    /** Used for built-in method references. */
+	    var arrayProto = Array.prototype,
+	        funcProto = Function.prototype,
+	        objectProto = Object.prototype;
+	
+	    /** Used to detect overreaching core-js shims. */
+	    var coreJsData = context['__core-js_shared__'];
+	
+	    /** Used to resolve the decompiled source of functions. */
+	    var funcToString = funcProto.toString;
+	
+	    /** Used to check objects for own properties. */
+	    var hasOwnProperty = objectProto.hasOwnProperty;
+	
+	    /** Used to generate unique IDs. */
+	    var idCounter = 0;
+	
+	    /** Used to detect methods masquerading as native. */
+	    var maskSrcKey = (function() {
+	      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
+	      return uid ? ('Symbol(src)_1.' + uid) : '';
+	    }());
+	
+	    /**
+	     * Used to resolve the
+	     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+	     * of values.
+	     */
+	    var nativeObjectToString = objectProto.toString;
+	
+	    /** Used to infer the `Object` constructor. */
+	    var objectCtorString = funcToString.call(Object);
+	
+	    /** Used to restore the original `_` reference in `_.noConflict`. */
+	    var oldDash = root._;
+	
+	    /** Used to detect if a method is native. */
+	    var reIsNative = RegExp('^' +
+	      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
+	      .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
+	    );
+	
+	    /** Built-in value references. */
+	    var Buffer = moduleExports ? context.Buffer : undefined,
+	        Symbol = context.Symbol,
+	        Uint8Array = context.Uint8Array,
+	        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
+	        getPrototype = overArg(Object.getPrototypeOf, Object),
+	        objectCreate = Object.create,
+	        propertyIsEnumerable = objectProto.propertyIsEnumerable,
+	        splice = arrayProto.splice,
+	        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
+	        symIterator = Symbol ? Symbol.iterator : undefined,
+	        symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+	
+	    var defineProperty = (function() {
+	      try {
+	        var func = getNative(Object, 'defineProperty');
+	        func({}, '', {});
+	        return func;
+	      } catch (e) {}
+	    }());
+	
+	    /** Mocked built-ins. */
+	    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
+	        ctxNow = Date && Date.now !== root.Date.now && Date.now,
+	        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
+	
+	    /* Built-in method references for those with the same name as other `lodash` methods. */
+	    var nativeCeil = Math.ceil,
+	        nativeFloor = Math.floor,
+	        nativeGetSymbols = Object.getOwnPropertySymbols,
+	        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
+	        nativeIsFinite = context.isFinite,
+	        nativeJoin = arrayProto.join,
+	        nativeKeys = overArg(Object.keys, Object),
+	        nativeMax = Math.max,
+	        nativeMin = Math.min,
+	        nativeNow = Date.now,
+	        nativeParseInt = context.parseInt,
+	        nativeRandom = Math.random,
+	        nativeReverse = arrayProto.reverse;
+	
+	    /* Built-in method references that are verified to be native. */
+	    var DataView = getNative(context, 'DataView'),
+	        Map = getNative(context, 'Map'),
+	        Promise = getNative(context, 'Promise'),
+	        Set = getNative(context, 'Set'),
+	        WeakMap = getNative(context, 'WeakMap'),
+	        nativeCreate = getNative(Object, 'create');
+	
+	    /** Used to store function metadata. */
+	    var metaMap = WeakMap && new WeakMap;
+	
+	    /** Used to lookup unminified function names. */
+	    var realNames = {};
+	
+	    /** Used to detect maps, sets, and weakmaps. */
+	    var dataViewCtorString = toSource(DataView),
+	        mapCtorString = toSource(Map),
+	        promiseCtorString = toSource(Promise),
+	        setCtorString = toSource(Set),
+	        weakMapCtorString = toSource(WeakMap);
+	
+	    /** Used to convert symbols to primitives and strings. */
+	    var symbolProto = Symbol ? Symbol.prototype : undefined,
+	        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
+	        symbolToString = symbolProto ? symbolProto.toString : undefined;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a `lodash` object which wraps `value` to enable implicit method
+	     * chain sequences. Methods that operate on and return arrays, collections,
+	     * and functions can be chained together. Methods that retrieve a single value
+	     * or may return a primitive value will automatically end the chain sequence
+	     * and return the unwrapped value. Otherwise, the value must be unwrapped
+	     * with `_#value`.
+	     *
+	     * Explicit chain sequences, which must be unwrapped with `_#value`, may be
+	     * enabled using `_.chain`.
+	     *
+	     * The execution of chained methods is lazy, that is, it's deferred until
+	     * `_#value` is implicitly or explicitly called.
+	     *
+	     * Lazy evaluation allows several methods to support shortcut fusion.
+	     * Shortcut fusion is an optimization to merge iteratee calls; this avoids
+	     * the creation of intermediate arrays and can greatly reduce the number of
+	     * iteratee executions. Sections of a chain sequence qualify for shortcut
+	     * fusion if the section is applied to an array and iteratees accept only
+	     * one argument. The heuristic for whether a section qualifies for shortcut
+	     * fusion is subject to change.
+	     *
+	     * Chaining is supported in custom builds as long as the `_#value` method is
+	     * directly or indirectly included in the build.
+	     *
+	     * In addition to lodash methods, wrappers have `Array` and `String` methods.
+	     *
+	     * The wrapper `Array` methods are:
+	     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
+	     *
+	     * The wrapper `String` methods are:
+	     * `replace` and `split`
+	     *
+	     * The wrapper methods that support shortcut fusion are:
+	     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
+	     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
+	     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
+	     *
+	     * The chainable wrapper methods are:
+	     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
+	     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
+	     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
+	     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
+	     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
+	     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
+	     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
+	     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
+	     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
+	     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
+	     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
+	     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
+	     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
+	     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
+	     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
+	     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
+	     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
+	     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
+	     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
+	     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
+	     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
+	     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
+	     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
+	     * `zipObject`, `zipObjectDeep`, and `zipWith`
+	     *
+	     * The wrapper methods that are **not** chainable by default are:
+	     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
+	     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
+	     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
+	     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
+	     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
+	     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
+	     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
+	     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
+	     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
+	     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
+	     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
+	     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
+	     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
+	     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
+	     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
+	     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
+	     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
+	     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
+	     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
+	     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
+	     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
+	     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
+	     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
+	     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
+	     * `upperFirst`, `value`, and `words`
+	     *
+	     * @name _
+	     * @constructor
+	     * @category Seq
+	     * @param {*} value The value to wrap in a `lodash` instance.
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * var wrapped = _([1, 2, 3]);
+	     *
+	     * // Returns an unwrapped value.
+	     * wrapped.reduce(_.add);
+	     * // => 6
+	     *
+	     * // Returns a wrapped value.
+	     * var squares = wrapped.map(square);
+	     *
+	     * _.isArray(squares);
+	     * // => false
+	     *
+	     * _.isArray(squares.value());
+	     * // => true
+	     */
+	    function lodash(value) {
+	      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
+	        if (value instanceof LodashWrapper) {
+	          return value;
+	        }
+	        if (hasOwnProperty.call(value, '__wrapped__')) {
+	          return wrapperClone(value);
+	        }
+	      }
+	      return new LodashWrapper(value);
+	    }
+	
+	    /**
+	     * The base implementation of `_.create` without support for assigning
+	     * properties to the created object.
+	     *
+	     * @private
+	     * @param {Object} proto The object to inherit from.
+	     * @returns {Object} Returns the new object.
+	     */
+	    var baseCreate = (function() {
+	      function object() {}
+	      return function(proto) {
+	        if (!isObject(proto)) {
+	          return {};
+	        }
+	        if (objectCreate) {
+	          return objectCreate(proto);
+	        }
+	        object.prototype = proto;
+	        var result = new object;
+	        object.prototype = undefined;
+	        return result;
+	      };
+	    }());
+	
+	    /**
+	     * The function whose prototype chain sequence wrappers inherit from.
+	     *
+	     * @private
+	     */
+	    function baseLodash() {
+	      // No operation performed.
+	    }
+	
+	    /**
+	     * The base constructor for creating `lodash` wrapper objects.
+	     *
+	     * @private
+	     * @param {*} value The value to wrap.
+	     * @param {boolean} [chainAll] Enable explicit method chain sequences.
+	     */
+	    function LodashWrapper(value, chainAll) {
+	      this.__wrapped__ = value;
+	      this.__actions__ = [];
+	      this.__chain__ = !!chainAll;
+	      this.__index__ = 0;
+	      this.__values__ = undefined;
+	    }
+	
+	    /**
+	     * By default, the template delimiters used by lodash are like those in
+	     * embedded Ruby (ERB) as well as ES2015 template strings. Change the
+	     * following template settings to use alternative delimiters.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @type {Object}
+	     */
+	    lodash.templateSettings = {
+	
+	      /**
+	       * Used to detect `data` property values to be HTML-escaped.
+	       *
+	       * @memberOf _.templateSettings
+	       * @type {RegExp}
+	       */
+	      'escape': reEscape,
+	
+	      /**
+	       * Used to detect code to be evaluated.
+	       *
+	       * @memberOf _.templateSettings
+	       * @type {RegExp}
+	       */
+	      'evaluate': reEvaluate,
+	
+	      /**
+	       * Used to detect `data` property values to inject.
+	       *
+	       * @memberOf _.templateSettings
+	       * @type {RegExp}
+	       */
+	      'interpolate': reInterpolate,
+	
+	      /**
+	       * Used to reference the data object in the template text.
+	       *
+	       * @memberOf _.templateSettings
+	       * @type {string}
+	       */
+	      'variable': '',
+	
+	      /**
+	       * Used to import variables into the compiled template.
+	       *
+	       * @memberOf _.templateSettings
+	       * @type {Object}
+	       */
+	      'imports': {
+	
+	        /**
+	         * A reference to the `lodash` function.
+	         *
+	         * @memberOf _.templateSettings.imports
+	         * @type {Function}
+	         */
+	        '_': lodash
+	      }
+	    };
+	
+	    // Ensure wrappers are instances of `baseLodash`.
+	    lodash.prototype = baseLodash.prototype;
+	    lodash.prototype.constructor = lodash;
+	
+	    LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+	    LodashWrapper.prototype.constructor = LodashWrapper;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {*} value The value to wrap.
+	     */
+	    function LazyWrapper(value) {
+	      this.__wrapped__ = value;
+	      this.__actions__ = [];
+	      this.__dir__ = 1;
+	      this.__filtered__ = false;
+	      this.__iteratees__ = [];
+	      this.__takeCount__ = MAX_ARRAY_LENGTH;
+	      this.__views__ = [];
+	    }
+	
+	    /**
+	     * Creates a clone of the lazy wrapper object.
+	     *
+	     * @private
+	     * @name clone
+	     * @memberOf LazyWrapper
+	     * @returns {Object} Returns the cloned `LazyWrapper` object.
+	     */
+	    function lazyClone() {
+	      var result = new LazyWrapper(this.__wrapped__);
+	      result.__actions__ = copyArray(this.__actions__);
+	      result.__dir__ = this.__dir__;
+	      result.__filtered__ = this.__filtered__;
+	      result.__iteratees__ = copyArray(this.__iteratees__);
+	      result.__takeCount__ = this.__takeCount__;
+	      result.__views__ = copyArray(this.__views__);
+	      return result;
+	    }
+	
+	    /**
+	     * Reverses the direction of lazy iteration.
+	     *
+	     * @private
+	     * @name reverse
+	     * @memberOf LazyWrapper
+	     * @returns {Object} Returns the new reversed `LazyWrapper` object.
+	     */
+	    function lazyReverse() {
+	      if (this.__filtered__) {
+	        var result = new LazyWrapper(this);
+	        result.__dir__ = -1;
+	        result.__filtered__ = true;
+	      } else {
+	        result = this.clone();
+	        result.__dir__ *= -1;
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Extracts the unwrapped value from its lazy wrapper.
+	     *
+	     * @private
+	     * @name value
+	     * @memberOf LazyWrapper
+	     * @returns {*} Returns the unwrapped value.
+	     */
+	    function lazyValue() {
+	      var array = this.__wrapped__.value(),
+	          dir = this.__dir__,
+	          isArr = isArray(array),
+	          isRight = dir < 0,
+	          arrLength = isArr ? array.length : 0,
+	          view = getView(0, arrLength, this.__views__),
+	          start = view.start,
+	          end = view.end,
+	          length = end - start,
+	          index = isRight ? end : (start - 1),
+	          iteratees = this.__iteratees__,
+	          iterLength = iteratees.length,
+	          resIndex = 0,
+	          takeCount = nativeMin(length, this.__takeCount__);
+	
+	      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {
+	        return baseWrapperValue(array, this.__actions__);
+	      }
+	      var result = [];
+	
+	      outer:
+	      while (length-- && resIndex < takeCount) {
+	        index += dir;
+	
+	        var iterIndex = -1,
+	            value = array[index];
+	
+	        while (++iterIndex < iterLength) {
+	          var data = iteratees[iterIndex],
+	              iteratee = data.iteratee,
+	              type = data.type,
+	              computed = iteratee(value);
+	
+	          if (type == LAZY_MAP_FLAG) {
+	            value = computed;
+	          } else if (!computed) {
+	            if (type == LAZY_FILTER_FLAG) {
+	              continue outer;
+	            } else {
+	              break outer;
+	            }
+	          }
+	        }
+	        result[resIndex++] = value;
+	      }
+	      return result;
+	    }
+	
+	    // Ensure `LazyWrapper` is an instance of `baseLodash`.
+	    LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+	    LazyWrapper.prototype.constructor = LazyWrapper;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a hash object.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {Array} [entries] The key-value pairs to cache.
+	     */
+	    function Hash(entries) {
+	      var index = -1,
+	          length = entries == null ? 0 : entries.length;
+	
+	      this.clear();
+	      while (++index < length) {
+	        var entry = entries[index];
+	        this.set(entry[0], entry[1]);
+	      }
+	    }
+	
+	    /**
+	     * Removes all key-value entries from the hash.
+	     *
+	     * @private
+	     * @name clear
+	     * @memberOf Hash
+	     */
+	    function hashClear() {
+	      this.__data__ = nativeCreate ? nativeCreate(null) : {};
+	      this.size = 0;
+	    }
+	
+	    /**
+	     * Removes `key` and its value from the hash.
+	     *
+	     * @private
+	     * @name delete
+	     * @memberOf Hash
+	     * @param {Object} hash The hash to modify.
+	     * @param {string} key The key of the value to remove.
+	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	     */
+	    function hashDelete(key) {
+	      var result = this.has(key) && delete this.__data__[key];
+	      this.size -= result ? 1 : 0;
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the hash value for `key`.
+	     *
+	     * @private
+	     * @name get
+	     * @memberOf Hash
+	     * @param {string} key The key of the value to get.
+	     * @returns {*} Returns the entry value.
+	     */
+	    function hashGet(key) {
+	      var data = this.__data__;
+	      if (nativeCreate) {
+	        var result = data[key];
+	        return result === HASH_UNDEFINED ? undefined : result;
+	      }
+	      return hasOwnProperty.call(data, key) ? data[key] : undefined;
+	    }
+	
+	    /**
+	     * Checks if a hash value for `key` exists.
+	     *
+	     * @private
+	     * @name has
+	     * @memberOf Hash
+	     * @param {string} key The key of the entry to check.
+	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	     */
+	    function hashHas(key) {
+	      var data = this.__data__;
+	      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
+	    }
+	
+	    /**
+	     * Sets the hash `key` to `value`.
+	     *
+	     * @private
+	     * @name set
+	     * @memberOf Hash
+	     * @param {string} key The key of the value to set.
+	     * @param {*} value The value to set.
+	     * @returns {Object} Returns the hash instance.
+	     */
+	    function hashSet(key, value) {
+	      var data = this.__data__;
+	      this.size += this.has(key) ? 0 : 1;
+	      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
+	      return this;
+	    }
+	
+	    // Add methods to `Hash`.
+	    Hash.prototype.clear = hashClear;
+	    Hash.prototype['delete'] = hashDelete;
+	    Hash.prototype.get = hashGet;
+	    Hash.prototype.has = hashHas;
+	    Hash.prototype.set = hashSet;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates an list cache object.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {Array} [entries] The key-value pairs to cache.
+	     */
+	    function ListCache(entries) {
+	      var index = -1,
+	          length = entries == null ? 0 : entries.length;
+	
+	      this.clear();
+	      while (++index < length) {
+	        var entry = entries[index];
+	        this.set(entry[0], entry[1]);
+	      }
+	    }
+	
+	    /**
+	     * Removes all key-value entries from the list cache.
+	     *
+	     * @private
+	     * @name clear
+	     * @memberOf ListCache
+	     */
+	    function listCacheClear() {
+	      this.__data__ = [];
+	      this.size = 0;
+	    }
+	
+	    /**
+	     * Removes `key` and its value from the list cache.
+	     *
+	     * @private
+	     * @name delete
+	     * @memberOf ListCache
+	     * @param {string} key The key of the value to remove.
+	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	     */
+	    function listCacheDelete(key) {
+	      var data = this.__data__,
+	          index = assocIndexOf(data, key);
+	
+	      if (index < 0) {
+	        return false;
+	      }
+	      var lastIndex = data.length - 1;
+	      if (index == lastIndex) {
+	        data.pop();
+	      } else {
+	        splice.call(data, index, 1);
+	      }
+	      --this.size;
+	      return true;
+	    }
+	
+	    /**
+	     * Gets the list cache value for `key`.
+	     *
+	     * @private
+	     * @name get
+	     * @memberOf ListCache
+	     * @param {string} key The key of the value to get.
+	     * @returns {*} Returns the entry value.
+	     */
+	    function listCacheGet(key) {
+	      var data = this.__data__,
+	          index = assocIndexOf(data, key);
+	
+	      return index < 0 ? undefined : data[index][1];
+	    }
+	
+	    /**
+	     * Checks if a list cache value for `key` exists.
+	     *
+	     * @private
+	     * @name has
+	     * @memberOf ListCache
+	     * @param {string} key The key of the entry to check.
+	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	     */
+	    function listCacheHas(key) {
+	      return assocIndexOf(this.__data__, key) > -1;
+	    }
+	
+	    /**
+	     * Sets the list cache `key` to `value`.
+	     *
+	     * @private
+	     * @name set
+	     * @memberOf ListCache
+	     * @param {string} key The key of the value to set.
+	     * @param {*} value The value to set.
+	     * @returns {Object} Returns the list cache instance.
+	     */
+	    function listCacheSet(key, value) {
+	      var data = this.__data__,
+	          index = assocIndexOf(data, key);
+	
+	      if (index < 0) {
+	        ++this.size;
+	        data.push([key, value]);
+	      } else {
+	        data[index][1] = value;
+	      }
+	      return this;
+	    }
+	
+	    // Add methods to `ListCache`.
+	    ListCache.prototype.clear = listCacheClear;
+	    ListCache.prototype['delete'] = listCacheDelete;
+	    ListCache.prototype.get = listCacheGet;
+	    ListCache.prototype.has = listCacheHas;
+	    ListCache.prototype.set = listCacheSet;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a map cache object to store key-value pairs.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {Array} [entries] The key-value pairs to cache.
+	     */
+	    function MapCache(entries) {
+	      var index = -1,
+	          length = entries == null ? 0 : entries.length;
+	
+	      this.clear();
+	      while (++index < length) {
+	        var entry = entries[index];
+	        this.set(entry[0], entry[1]);
+	      }
+	    }
+	
+	    /**
+	     * Removes all key-value entries from the map.
+	     *
+	     * @private
+	     * @name clear
+	     * @memberOf MapCache
+	     */
+	    function mapCacheClear() {
+	      this.size = 0;
+	      this.__data__ = {
+	        'hash': new Hash,
+	        'map': new (Map || ListCache),
+	        'string': new Hash
+	      };
+	    }
+	
+	    /**
+	     * Removes `key` and its value from the map.
+	     *
+	     * @private
+	     * @name delete
+	     * @memberOf MapCache
+	     * @param {string} key The key of the value to remove.
+	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	     */
+	    function mapCacheDelete(key) {
+	      var result = getMapData(this, key)['delete'](key);
+	      this.size -= result ? 1 : 0;
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the map value for `key`.
+	     *
+	     * @private
+	     * @name get
+	     * @memberOf MapCache
+	     * @param {string} key The key of the value to get.
+	     * @returns {*} Returns the entry value.
+	     */
+	    function mapCacheGet(key) {
+	      return getMapData(this, key).get(key);
+	    }
+	
+	    /**
+	     * Checks if a map value for `key` exists.
+	     *
+	     * @private
+	     * @name has
+	     * @memberOf MapCache
+	     * @param {string} key The key of the entry to check.
+	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	     */
+	    function mapCacheHas(key) {
+	      return getMapData(this, key).has(key);
+	    }
+	
+	    /**
+	     * Sets the map `key` to `value`.
+	     *
+	     * @private
+	     * @name set
+	     * @memberOf MapCache
+	     * @param {string} key The key of the value to set.
+	     * @param {*} value The value to set.
+	     * @returns {Object} Returns the map cache instance.
+	     */
+	    function mapCacheSet(key, value) {
+	      var data = getMapData(this, key),
+	          size = data.size;
+	
+	      data.set(key, value);
+	      this.size += data.size == size ? 0 : 1;
+	      return this;
+	    }
+	
+	    // Add methods to `MapCache`.
+	    MapCache.prototype.clear = mapCacheClear;
+	    MapCache.prototype['delete'] = mapCacheDelete;
+	    MapCache.prototype.get = mapCacheGet;
+	    MapCache.prototype.has = mapCacheHas;
+	    MapCache.prototype.set = mapCacheSet;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     *
+	     * Creates an array cache object to store unique values.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {Array} [values] The values to cache.
+	     */
+	    function SetCache(values) {
+	      var index = -1,
+	          length = values == null ? 0 : values.length;
+	
+	      this.__data__ = new MapCache;
+	      while (++index < length) {
+	        this.add(values[index]);
+	      }
+	    }
+	
+	    /**
+	     * Adds `value` to the array cache.
+	     *
+	     * @private
+	     * @name add
+	     * @memberOf SetCache
+	     * @alias push
+	     * @param {*} value The value to cache.
+	     * @returns {Object} Returns the cache instance.
+	     */
+	    function setCacheAdd(value) {
+	      this.__data__.set(value, HASH_UNDEFINED);
+	      return this;
+	    }
+	
+	    /**
+	     * Checks if `value` is in the array cache.
+	     *
+	     * @private
+	     * @name has
+	     * @memberOf SetCache
+	     * @param {*} value The value to search for.
+	     * @returns {number} Returns `true` if `value` is found, else `false`.
+	     */
+	    function setCacheHas(value) {
+	      return this.__data__.has(value);
+	    }
+	
+	    // Add methods to `SetCache`.
+	    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
+	    SetCache.prototype.has = setCacheHas;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a stack cache object to store key-value pairs.
+	     *
+	     * @private
+	     * @constructor
+	     * @param {Array} [entries] The key-value pairs to cache.
+	     */
+	    function Stack(entries) {
+	      var data = this.__data__ = new ListCache(entries);
+	      this.size = data.size;
+	    }
+	
+	    /**
+	     * Removes all key-value entries from the stack.
+	     *
+	     * @private
+	     * @name clear
+	     * @memberOf Stack
+	     */
+	    function stackClear() {
+	      this.__data__ = new ListCache;
+	      this.size = 0;
+	    }
+	
+	    /**
+	     * Removes `key` and its value from the stack.
+	     *
+	     * @private
+	     * @name delete
+	     * @memberOf Stack
+	     * @param {string} key The key of the value to remove.
+	     * @returns {boolean} Returns `true` if the entry was removed, else `false`.
+	     */
+	    function stackDelete(key) {
+	      var data = this.__data__,
+	          result = data['delete'](key);
+	
+	      this.size = data.size;
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the stack value for `key`.
+	     *
+	     * @private
+	     * @name get
+	     * @memberOf Stack
+	     * @param {string} key The key of the value to get.
+	     * @returns {*} Returns the entry value.
+	     */
+	    function stackGet(key) {
+	      return this.__data__.get(key);
+	    }
+	
+	    /**
+	     * Checks if a stack value for `key` exists.
+	     *
+	     * @private
+	     * @name has
+	     * @memberOf Stack
+	     * @param {string} key The key of the entry to check.
+	     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
+	     */
+	    function stackHas(key) {
+	      return this.__data__.has(key);
+	    }
+	
+	    /**
+	     * Sets the stack `key` to `value`.
+	     *
+	     * @private
+	     * @name set
+	     * @memberOf Stack
+	     * @param {string} key The key of the value to set.
+	     * @param {*} value The value to set.
+	     * @returns {Object} Returns the stack cache instance.
+	     */
+	    function stackSet(key, value) {
+	      var data = this.__data__;
+	      if (data instanceof ListCache) {
+	        var pairs = data.__data__;
+	        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
+	          pairs.push([key, value]);
+	          this.size = ++data.size;
+	          return this;
+	        }
+	        data = this.__data__ = new MapCache(pairs);
+	      }
+	      data.set(key, value);
+	      this.size = data.size;
+	      return this;
+	    }
+	
+	    // Add methods to `Stack`.
+	    Stack.prototype.clear = stackClear;
+	    Stack.prototype['delete'] = stackDelete;
+	    Stack.prototype.get = stackGet;
+	    Stack.prototype.has = stackHas;
+	    Stack.prototype.set = stackSet;
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates an array of the enumerable property names of the array-like `value`.
+	     *
+	     * @private
+	     * @param {*} value The value to query.
+	     * @param {boolean} inherited Specify returning inherited property names.
+	     * @returns {Array} Returns the array of property names.
+	     */
+	    function arrayLikeKeys(value, inherited) {
+	      var isArr = isArray(value),
+	          isArg = !isArr && isArguments(value),
+	          isBuff = !isArr && !isArg && isBuffer(value),
+	          isType = !isArr && !isArg && !isBuff && isTypedArray(value),
+	          skipIndexes = isArr || isArg || isBuff || isType,
+	          result = skipIndexes ? baseTimes(value.length, String) : [],
+	          length = result.length;
+	
+	      for (var key in value) {
+	        if ((inherited || hasOwnProperty.call(value, key)) &&
+	            !(skipIndexes && (
+	               // Safari 9 has enumerable `arguments.length` in strict mode.
+	               key == 'length' ||
+	               // Node.js 0.10 has enumerable non-index properties on buffers.
+	               (isBuff && (key == 'offset' || key == 'parent')) ||
+	               // PhantomJS 2 has enumerable non-index properties on typed arrays.
+	               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
+	               // Skip index properties.
+	               isIndex(key, length)
+	            ))) {
+	          result.push(key);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * A specialized version of `_.sample` for arrays.
+	     *
+	     * @private
+	     * @param {Array} array The array to sample.
+	     * @returns {*} Returns the random element.
+	     */
+	    function arraySample(array) {
+	      var length = array.length;
+	      return length ? array[baseRandom(0, length - 1)] : undefined;
+	    }
+	
+	    /**
+	     * A specialized version of `_.sampleSize` for arrays.
+	     *
+	     * @private
+	     * @param {Array} array The array to sample.
+	     * @param {number} n The number of elements to sample.
+	     * @returns {Array} Returns the random elements.
+	     */
+	    function arraySampleSize(array, n) {
+	      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+	    }
+	
+	    /**
+	     * A specialized version of `_.shuffle` for arrays.
+	     *
+	     * @private
+	     * @param {Array} array The array to shuffle.
+	     * @returns {Array} Returns the new shuffled array.
+	     */
+	    function arrayShuffle(array) {
+	      return shuffleSelf(copyArray(array));
+	    }
+	
+	    /**
+	     * This function is like `assignValue` except that it doesn't assign
+	     * `undefined` values.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {string} key The key of the property to assign.
+	     * @param {*} value The value to assign.
+	     */
+	    function assignMergeValue(object, key, value) {
+	      if ((value !== undefined && !eq(object[key], value)) ||
+	          (value === undefined && !(key in object))) {
+	        baseAssignValue(object, key, value);
+	      }
+	    }
+	
+	    /**
+	     * Assigns `value` to `key` of `object` if the existing value is not equivalent
+	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {string} key The key of the property to assign.
+	     * @param {*} value The value to assign.
+	     */
+	    function assignValue(object, key, value) {
+	      var objValue = object[key];
+	      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
+	          (value === undefined && !(key in object))) {
+	        baseAssignValue(object, key, value);
+	      }
+	    }
+	
+	    /**
+	     * Gets the index at which the `key` is found in `array` of key-value pairs.
+	     *
+	     * @private
+	     * @param {Array} array The array to inspect.
+	     * @param {*} key The key to search for.
+	     * @returns {number} Returns the index of the matched value, else `-1`.
+	     */
+	    function assocIndexOf(array, key) {
+	      var length = array.length;
+	      while (length--) {
+	        if (eq(array[length][0], key)) {
+	          return length;
+	        }
+	      }
+	      return -1;
+	    }
+	
+	    /**
+	     * Aggregates elements of `collection` on `accumulator` with keys transformed
+	     * by `iteratee` and values set by `setter`.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} setter The function to set `accumulator` values.
+	     * @param {Function} iteratee The iteratee to transform keys.
+	     * @param {Object} accumulator The initial aggregated object.
+	     * @returns {Function} Returns `accumulator`.
+	     */
+	    function baseAggregator(collection, setter, iteratee, accumulator) {
+	      baseEach(collection, function(value, key, collection) {
+	        setter(accumulator, value, iteratee(value), collection);
+	      });
+	      return accumulator;
+	    }
+	
+	    /**
+	     * The base implementation of `_.assign` without support for multiple sources
+	     * or `customizer` functions.
+	     *
+	     * @private
+	     * @param {Object} object The destination object.
+	     * @param {Object} source The source object.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseAssign(object, source) {
+	      return object && copyObject(source, keys(source), object);
+	    }
+	
+	    /**
+	     * The base implementation of `_.assignIn` without support for multiple sources
+	     * or `customizer` functions.
+	     *
+	     * @private
+	     * @param {Object} object The destination object.
+	     * @param {Object} source The source object.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseAssignIn(object, source) {
+	      return object && copyObject(source, keysIn(source), object);
+	    }
+	
+	    /**
+	     * The base implementation of `assignValue` and `assignMergeValue` without
+	     * value checks.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {string} key The key of the property to assign.
+	     * @param {*} value The value to assign.
+	     */
+	    function baseAssignValue(object, key, value) {
+	      if (key == '__proto__' && defineProperty) {
+	        defineProperty(object, key, {
+	          'configurable': true,
+	          'enumerable': true,
+	          'value': value,
+	          'writable': true
+	        });
+	      } else {
+	        object[key] = value;
+	      }
+	    }
+	
+	    /**
+	     * The base implementation of `_.at` without support for individual paths.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {string[]} paths The property paths to pick.
+	     * @returns {Array} Returns the picked elements.
+	     */
+	    function baseAt(object, paths) {
+	      var index = -1,
+	          length = paths.length,
+	          result = Array(length),
+	          skip = object == null;
+	
+	      while (++index < length) {
+	        result[index] = skip ? undefined : get(object, paths[index]);
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.clamp` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {number} number The number to clamp.
+	     * @param {number} [lower] The lower bound.
+	     * @param {number} upper The upper bound.
+	     * @returns {number} Returns the clamped number.
+	     */
+	    function baseClamp(number, lower, upper) {
+	      if (number === number) {
+	        if (upper !== undefined) {
+	          number = number <= upper ? number : upper;
+	        }
+	        if (lower !== undefined) {
+	          number = number >= lower ? number : lower;
+	        }
+	      }
+	      return number;
+	    }
+	
+	    /**
+	     * The base implementation of `_.clone` and `_.cloneDeep` which tracks
+	     * traversed objects.
+	     *
+	     * @private
+	     * @param {*} value The value to clone.
+	     * @param {boolean} bitmask The bitmask flags.
+	     *  1 - Deep clone
+	     *  2 - Flatten inherited properties
+	     *  4 - Clone symbols
+	     * @param {Function} [customizer] The function to customize cloning.
+	     * @param {string} [key] The key of `value`.
+	     * @param {Object} [object] The parent object of `value`.
+	     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
+	     * @returns {*} Returns the cloned value.
+	     */
+	    function baseClone(value, bitmask, customizer, key, object, stack) {
+	      var result,
+	          isDeep = bitmask & CLONE_DEEP_FLAG,
+	          isFlat = bitmask & CLONE_FLAT_FLAG,
+	          isFull = bitmask & CLONE_SYMBOLS_FLAG;
+	
+	      if (customizer) {
+	        result = object ? customizer(value, key, object, stack) : customizer(value);
+	      }
+	      if (result !== undefined) {
+	        return result;
+	      }
+	      if (!isObject(value)) {
+	        return value;
+	      }
+	      var isArr = isArray(value);
+	      if (isArr) {
+	        result = initCloneArray(value);
+	        if (!isDeep) {
+	          return copyArray(value, result);
+	        }
+	      } else {
+	        var tag = getTag(value),
+	            isFunc = tag == funcTag || tag == genTag;
+	
+	        if (isBuffer(value)) {
+	          return cloneBuffer(value, isDeep);
+	        }
+	        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
+	          result = (isFlat || isFunc) ? {} : initCloneObject(value);
+	          if (!isDeep) {
+	            return isFlat
+	              ? copySymbolsIn(value, baseAssignIn(result, value))
+	              : copySymbols(value, baseAssign(result, value));
+	          }
+	        } else {
+	          if (!cloneableTags[tag]) {
+	            return object ? value : {};
+	          }
+	          result = initCloneByTag(value, tag, baseClone, isDeep);
+	        }
+	      }
+	      // Check for circular references and return its corresponding clone.
+	      stack || (stack = new Stack);
+	      var stacked = stack.get(value);
+	      if (stacked) {
+	        return stacked;
+	      }
+	      stack.set(value, result);
+	
+	      var keysFunc = isFull
+	        ? (isFlat ? getAllKeysIn : getAllKeys)
+	        : (isFlat ? keysIn : keys);
+	
+	      var props = isArr ? undefined : keysFunc(value);
+	      arrayEach(props || value, function(subValue, key) {
+	        if (props) {
+	          key = subValue;
+	          subValue = value[key];
+	        }
+	        // Recursively populate clone (susceptible to call stack limits).
+	        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.conforms` which doesn't clone `source`.
+	     *
+	     * @private
+	     * @param {Object} source The object of property predicates to conform to.
+	     * @returns {Function} Returns the new spec function.
+	     */
+	    function baseConforms(source) {
+	      var props = keys(source);
+	      return function(object) {
+	        return baseConformsTo(object, source, props);
+	      };
+	    }
+	
+	    /**
+	     * The base implementation of `_.conformsTo` which accepts `props` to check.
+	     *
+	     * @private
+	     * @param {Object} object The object to inspect.
+	     * @param {Object} source The object of property predicates to conform to.
+	     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+	     */
+	    function baseConformsTo(object, source, props) {
+	      var length = props.length;
+	      if (object == null) {
+	        return !length;
+	      }
+	      object = Object(object);
+	      while (length--) {
+	        var key = props[length],
+	            predicate = source[key],
+	            value = object[key];
+	
+	        if ((value === undefined && !(key in object)) || !predicate(value)) {
+	          return false;
+	        }
+	      }
+	      return true;
+	    }
+	
+	    /**
+	     * The base implementation of `_.delay` and `_.defer` which accepts `args`
+	     * to provide to `func`.
+	     *
+	     * @private
+	     * @param {Function} func The function to delay.
+	     * @param {number} wait The number of milliseconds to delay invocation.
+	     * @param {Array} args The arguments to provide to `func`.
+	     * @returns {number|Object} Returns the timer id or timeout object.
+	     */
+	    function baseDelay(func, wait, args) {
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      return setTimeout(function() { func.apply(undefined, args); }, wait);
+	    }
+	
+	    /**
+	     * The base implementation of methods like `_.difference` without support
+	     * for excluding multiple arrays or iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array} array The array to inspect.
+	     * @param {Array} values The values to exclude.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of filtered values.
+	     */
+	    function baseDifference(array, values, iteratee, comparator) {
+	      var index = -1,
+	          includes = arrayIncludes,
+	          isCommon = true,
+	          length = array.length,
+	          result = [],
+	          valuesLength = values.length;
+	
+	      if (!length) {
+	        return result;
+	      }
+	      if (iteratee) {
+	        values = arrayMap(values, baseUnary(iteratee));
+	      }
+	      if (comparator) {
+	        includes = arrayIncludesWith;
+	        isCommon = false;
+	      }
+	      else if (values.length >= LARGE_ARRAY_SIZE) {
+	        includes = cacheHas;
+	        isCommon = false;
+	        values = new SetCache(values);
+	      }
+	      outer:
+	      while (++index < length) {
+	        var value = array[index],
+	            computed = iteratee == null ? value : iteratee(value);
+	
+	        value = (comparator || value !== 0) ? value : 0;
+	        if (isCommon && computed === computed) {
+	          var valuesIndex = valuesLength;
+	          while (valuesIndex--) {
+	            if (values[valuesIndex] === computed) {
+	              continue outer;
+	            }
+	          }
+	          result.push(value);
+	        }
+	        else if (!includes(values, computed, comparator)) {
+	          result.push(value);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.forEach` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @returns {Array|Object} Returns `collection`.
+	     */
+	    var baseEach = createBaseEach(baseForOwn);
+	
+	    /**
+	     * The base implementation of `_.forEachRight` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @returns {Array|Object} Returns `collection`.
+	     */
+	    var baseEachRight = createBaseEach(baseForOwnRight, true);
+	
+	    /**
+	     * The base implementation of `_.every` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} predicate The function invoked per iteration.
+	     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+	     *  else `false`
+	     */
+	    function baseEvery(collection, predicate) {
+	      var result = true;
+	      baseEach(collection, function(value, index, collection) {
+	        result = !!predicate(value, index, collection);
+	        return result;
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of methods like `_.max` and `_.min` which accepts a
+	     * `comparator` to determine the extremum value.
+	     *
+	     * @private
+	     * @param {Array} array The array to iterate over.
+	     * @param {Function} iteratee The iteratee invoked per iteration.
+	     * @param {Function} comparator The comparator used to compare values.
+	     * @returns {*} Returns the extremum value.
+	     */
+	    function baseExtremum(array, iteratee, comparator) {
+	      var index = -1,
+	          length = array.length;
+	
+	      while (++index < length) {
+	        var value = array[index],
+	            current = iteratee(value);
+	
+	        if (current != null && (computed === undefined
+	              ? (current === current && !isSymbol(current))
+	              : comparator(current, computed)
+	            )) {
+	          var computed = current,
+	              result = value;
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.fill` without an iteratee call guard.
+	     *
+	     * @private
+	     * @param {Array} array The array to fill.
+	     * @param {*} value The value to fill `array` with.
+	     * @param {number} [start=0] The start position.
+	     * @param {number} [end=array.length] The end position.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function baseFill(array, value, start, end) {
+	      var length = array.length;
+	
+	      start = toInteger(start);
+	      if (start < 0) {
+	        start = -start > length ? 0 : (length + start);
+	      }
+	      end = (end === undefined || end > length) ? length : toInteger(end);
+	      if (end < 0) {
+	        end += length;
+	      }
+	      end = start > end ? 0 : toLength(end);
+	      while (start < end) {
+	        array[start++] = value;
+	      }
+	      return array;
+	    }
+	
+	    /**
+	     * The base implementation of `_.filter` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} predicate The function invoked per iteration.
+	     * @returns {Array} Returns the new filtered array.
+	     */
+	    function baseFilter(collection, predicate) {
+	      var result = [];
+	      baseEach(collection, function(value, index, collection) {
+	        if (predicate(value, index, collection)) {
+	          result.push(value);
+	        }
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.flatten` with support for restricting flattening.
+	     *
+	     * @private
+	     * @param {Array} array The array to flatten.
+	     * @param {number} depth The maximum recursion depth.
+	     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
+	     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
+	     * @param {Array} [result=[]] The initial result value.
+	     * @returns {Array} Returns the new flattened array.
+	     */
+	    function baseFlatten(array, depth, predicate, isStrict, result) {
+	      var index = -1,
+	          length = array.length;
+	
+	      predicate || (predicate = isFlattenable);
+	      result || (result = []);
+	
+	      while (++index < length) {
+	        var value = array[index];
+	        if (depth > 0 && predicate(value)) {
+	          if (depth > 1) {
+	            // Recursively flatten arrays (susceptible to call stack limits).
+	            baseFlatten(value, depth - 1, predicate, isStrict, result);
+	          } else {
+	            arrayPush(result, value);
+	          }
+	        } else if (!isStrict) {
+	          result[result.length] = value;
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `baseForOwn` which iterates over `object`
+	     * properties returned by `keysFunc` and invokes `iteratee` for each property.
+	     * Iteratee functions may exit iteration early by explicitly returning `false`.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @param {Function} keysFunc The function to get the keys of `object`.
+	     * @returns {Object} Returns `object`.
+	     */
+	    var baseFor = createBaseFor();
+	
+	    /**
+	     * This function is like `baseFor` except that it iterates over properties
+	     * in the opposite order.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @param {Function} keysFunc The function to get the keys of `object`.
+	     * @returns {Object} Returns `object`.
+	     */
+	    var baseForRight = createBaseFor(true);
+	
+	    /**
+	     * The base implementation of `_.forOwn` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseForOwn(object, iteratee) {
+	      return object && baseFor(object, iteratee, keys);
+	    }
+	
+	    /**
+	     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseForOwnRight(object, iteratee) {
+	      return object && baseForRight(object, iteratee, keys);
+	    }
+	
+	    /**
+	     * The base implementation of `_.functions` which creates an array of
+	     * `object` function property names filtered from `props`.
+	     *
+	     * @private
+	     * @param {Object} object The object to inspect.
+	     * @param {Array} props The property names to filter.
+	     * @returns {Array} Returns the function names.
+	     */
+	    function baseFunctions(object, props) {
+	      return arrayFilter(props, function(key) {
+	        return isFunction(object[key]);
+	      });
+	    }
+	
+	    /**
+	     * The base implementation of `_.get` without support for default values.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path of the property to get.
+	     * @returns {*} Returns the resolved value.
+	     */
+	    function baseGet(object, path) {
+	      path = castPath(path, object);
+	
+	      var index = 0,
+	          length = path.length;
+	
+	      while (object != null && index < length) {
+	        object = object[toKey(path[index++])];
+	      }
+	      return (index && index == length) ? object : undefined;
+	    }
+	
+	    /**
+	     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
+	     * `keysFunc` and `symbolsFunc` to get the enumerable property names and
+	     * symbols of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {Function} keysFunc The function to get the keys of `object`.
+	     * @param {Function} symbolsFunc The function to get the symbols of `object`.
+	     * @returns {Array} Returns the array of property names and symbols.
+	     */
+	    function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+	      var result = keysFunc(object);
+	      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
+	    }
+	
+	    /**
+	     * The base implementation of `getTag` without fallbacks for buggy environments.
+	     *
+	     * @private
+	     * @param {*} value The value to query.
+	     * @returns {string} Returns the `toStringTag`.
+	     */
+	    function baseGetTag(value) {
+	      if (value == null) {
+	        return value === undefined ? undefinedTag : nullTag;
+	      }
+	      return (symToStringTag && symToStringTag in Object(value))
+	        ? getRawTag(value)
+	        : objectToString(value);
+	    }
+	
+	    /**
+	     * The base implementation of `_.gt` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+	     *  else `false`.
+	     */
+	    function baseGt(value, other) {
+	      return value > other;
+	    }
+	
+	    /**
+	     * The base implementation of `_.has` without support for deep paths.
+	     *
+	     * @private
+	     * @param {Object} [object] The object to query.
+	     * @param {Array|string} key The key to check.
+	     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+	     */
+	    function baseHas(object, key) {
+	      return object != null && hasOwnProperty.call(object, key);
+	    }
+	
+	    /**
+	     * The base implementation of `_.hasIn` without support for deep paths.
+	     *
+	     * @private
+	     * @param {Object} [object] The object to query.
+	     * @param {Array|string} key The key to check.
+	     * @returns {boolean} Returns `true` if `key` exists, else `false`.
+	     */
+	    function baseHasIn(object, key) {
+	      return object != null && key in Object(object);
+	    }
+	
+	    /**
+	     * The base implementation of `_.inRange` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {number} number The number to check.
+	     * @param {number} start The start of the range.
+	     * @param {number} end The end of the range.
+	     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+	     */
+	    function baseInRange(number, start, end) {
+	      return number >= nativeMin(start, end) && number < nativeMax(start, end);
+	    }
+	
+	    /**
+	     * The base implementation of methods like `_.intersection`, without support
+	     * for iteratee shorthands, that accepts an array of arrays to inspect.
+	     *
+	     * @private
+	     * @param {Array} arrays The arrays to inspect.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of shared values.
+	     */
+	    function baseIntersection(arrays, iteratee, comparator) {
+	      var includes = comparator ? arrayIncludesWith : arrayIncludes,
+	          length = arrays[0].length,
+	          othLength = arrays.length,
+	          othIndex = othLength,
+	          caches = Array(othLength),
+	          maxLength = Infinity,
+	          result = [];
+	
+	      while (othIndex--) {
+	        var array = arrays[othIndex];
+	        if (othIndex && iteratee) {
+	          array = arrayMap(array, baseUnary(iteratee));
+	        }
+	        maxLength = nativeMin(array.length, maxLength);
+	        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
+	          ? new SetCache(othIndex && array)
+	          : undefined;
+	      }
+	      array = arrays[0];
+	
+	      var index = -1,
+	          seen = caches[0];
+	
+	      outer:
+	      while (++index < length && result.length < maxLength) {
+	        var value = array[index],
+	            computed = iteratee ? iteratee(value) : value;
+	
+	        value = (comparator || value !== 0) ? value : 0;
+	        if (!(seen
+	              ? cacheHas(seen, computed)
+	              : includes(result, computed, comparator)
+	            )) {
+	          othIndex = othLength;
+	          while (--othIndex) {
+	            var cache = caches[othIndex];
+	            if (!(cache
+	                  ? cacheHas(cache, computed)
+	                  : includes(arrays[othIndex], computed, comparator))
+	                ) {
+	              continue outer;
+	            }
+	          }
+	          if (seen) {
+	            seen.push(computed);
+	          }
+	          result.push(value);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.invert` and `_.invertBy` which inverts
+	     * `object` with values transformed by `iteratee` and set by `setter`.
+	     *
+	     * @private
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} setter The function to set `accumulator` values.
+	     * @param {Function} iteratee The iteratee to transform values.
+	     * @param {Object} accumulator The initial inverted object.
+	     * @returns {Function} Returns `accumulator`.
+	     */
+	    function baseInverter(object, setter, iteratee, accumulator) {
+	      baseForOwn(object, function(value, key, object) {
+	        setter(accumulator, iteratee(value), key, object);
+	      });
+	      return accumulator;
+	    }
+	
+	    /**
+	     * The base implementation of `_.invoke` without support for individual
+	     * method arguments.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path of the method to invoke.
+	     * @param {Array} args The arguments to invoke the method with.
+	     * @returns {*} Returns the result of the invoked method.
+	     */
+	    function baseInvoke(object, path, args) {
+	      path = castPath(path, object);
+	      object = parent(object, path);
+	      var func = object == null ? object : object[toKey(last(path))];
+	      return func == null ? undefined : apply(func, object, args);
+	    }
+	
+	    /**
+	     * The base implementation of `_.isArguments`.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	     */
+	    function baseIsArguments(value) {
+	      return isObjectLike(value) && baseGetTag(value) == argsTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+	     */
+	    function baseIsArrayBuffer(value) {
+	      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isDate` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+	     */
+	    function baseIsDate(value) {
+	      return isObjectLike(value) && baseGetTag(value) == dateTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isEqual` which supports partial comparisons
+	     * and tracks traversed objects.
+	     *
+	     * @private
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @param {boolean} bitmask The bitmask flags.
+	     *  1 - Unordered comparison
+	     *  2 - Partial comparison
+	     * @param {Function} [customizer] The function to customize comparisons.
+	     * @param {Object} [stack] Tracks traversed `value` and `other` objects.
+	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	     */
+	    function baseIsEqual(value, other, bitmask, customizer, stack) {
+	      if (value === other) {
+	        return true;
+	      }
+	      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {
+	        return value !== value && other !== other;
+	      }
+	      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
+	    }
+	
+	    /**
+	     * A specialized version of `baseIsEqual` for arrays and objects which performs
+	     * deep comparisons and tracks traversed objects enabling objects with circular
+	     * references to be compared.
+	     *
+	     * @private
+	     * @param {Object} object The object to compare.
+	     * @param {Object} other The other object to compare.
+	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	     * @param {Function} customizer The function to customize comparisons.
+	     * @param {Function} equalFunc The function to determine equivalents of values.
+	     * @param {Object} [stack] Tracks traversed `object` and `other` objects.
+	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	     */
+	    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+	      var objIsArr = isArray(object),
+	          othIsArr = isArray(other),
+	          objTag = objIsArr ? arrayTag : getTag(object),
+	          othTag = othIsArr ? arrayTag : getTag(other);
+	
+	      objTag = objTag == argsTag ? objectTag : objTag;
+	      othTag = othTag == argsTag ? objectTag : othTag;
+	
+	      var objIsObj = objTag == objectTag,
+	          othIsObj = othTag == objectTag,
+	          isSameTag = objTag == othTag;
+	
+	      if (isSameTag && isBuffer(object)) {
+	        if (!isBuffer(other)) {
+	          return false;
+	        }
+	        objIsArr = true;
+	        objIsObj = false;
+	      }
+	      if (isSameTag && !objIsObj) {
+	        stack || (stack = new Stack);
+	        return (objIsArr || isTypedArray(object))
+	          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
+	          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
+	      }
+	      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
+	        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
+	            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+	
+	        if (objIsWrapped || othIsWrapped) {
+	          var objUnwrapped = objIsWrapped ? object.value() : object,
+	              othUnwrapped = othIsWrapped ? other.value() : other;
+	
+	          stack || (stack = new Stack);
+	          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+	        }
+	      }
+	      if (!isSameTag) {
+	        return false;
+	      }
+	      stack || (stack = new Stack);
+	      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+	    }
+	
+	    /**
+	     * The base implementation of `_.isMap` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+	     */
+	    function baseIsMap(value) {
+	      return isObjectLike(value) && getTag(value) == mapTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isMatch` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Object} object The object to inspect.
+	     * @param {Object} source The object of property values to match.
+	     * @param {Array} matchData The property names, values, and compare flags to match.
+	     * @param {Function} [customizer] The function to customize comparisons.
+	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+	     */
+	    function baseIsMatch(object, source, matchData, customizer) {
+	      var index = matchData.length,
+	          length = index,
+	          noCustomizer = !customizer;
+	
+	      if (object == null) {
+	        return !length;
+	      }
+	      object = Object(object);
+	      while (index--) {
+	        var data = matchData[index];
+	        if ((noCustomizer && data[2])
+	              ? data[1] !== object[data[0]]
+	              : !(data[0] in object)
+	            ) {
+	          return false;
+	        }
+	      }
+	      while (++index < length) {
+	        data = matchData[index];
+	        var key = data[0],
+	            objValue = object[key],
+	            srcValue = data[1];
+	
+	        if (noCustomizer && data[2]) {
+	          if (objValue === undefined && !(key in object)) {
+	            return false;
+	          }
+	        } else {
+	          var stack = new Stack;
+	          if (customizer) {
+	            var result = customizer(objValue, srcValue, key, object, source, stack);
+	          }
+	          if (!(result === undefined
+	                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
+	                : result
+	              )) {
+	            return false;
+	          }
+	        }
+	      }
+	      return true;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isNative` without bad shim checks.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a native function,
+	     *  else `false`.
+	     */
+	    function baseIsNative(value) {
+	      if (!isObject(value) || isMasked(value)) {
+	        return false;
+	      }
+	      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
+	      return pattern.test(toSource(value));
+	    }
+	
+	    /**
+	     * The base implementation of `_.isRegExp` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+	     */
+	    function baseIsRegExp(value) {
+	      return isObjectLike(value) && baseGetTag(value) == regexpTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isSet` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+	     */
+	    function baseIsSet(value) {
+	      return isObjectLike(value) && getTag(value) == setTag;
+	    }
+	
+	    /**
+	     * The base implementation of `_.isTypedArray` without Node.js optimizations.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	     */
+	    function baseIsTypedArray(value) {
+	      return isObjectLike(value) &&
+	        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+	    }
+	
+	    /**
+	     * The base implementation of `_.iteratee`.
+	     *
+	     * @private
+	     * @param {*} [value=_.identity] The value to convert to an iteratee.
+	     * @returns {Function} Returns the iteratee.
+	     */
+	    function baseIteratee(value) {
+	      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
+	      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
+	      if (typeof value == 'function') {
+	        return value;
+	      }
+	      if (value == null) {
+	        return identity;
+	      }
+	      if (typeof value == 'object') {
+	        return isArray(value)
+	          ? baseMatchesProperty(value[0], value[1])
+	          : baseMatches(value);
+	      }
+	      return property(value);
+	    }
+	
+	    /**
+	     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names.
+	     */
+	    function baseKeys(object) {
+	      if (!isPrototype(object)) {
+	        return nativeKeys(object);
+	      }
+	      var result = [];
+	      for (var key in Object(object)) {
+	        if (hasOwnProperty.call(object, key) && key != 'constructor') {
+	          result.push(key);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names.
+	     */
+	    function baseKeysIn(object) {
+	      if (!isObject(object)) {
+	        return nativeKeysIn(object);
+	      }
+	      var isProto = isPrototype(object),
+	          result = [];
+	
+	      for (var key in object) {
+	        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
+	          result.push(key);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.lt` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is less than `other`,
+	     *  else `false`.
+	     */
+	    function baseLt(value, other) {
+	      return value < other;
+	    }
+	
+	    /**
+	     * The base implementation of `_.map` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} iteratee The function invoked per iteration.
+	     * @returns {Array} Returns the new mapped array.
+	     */
+	    function baseMap(collection, iteratee) {
+	      var index = -1,
+	          result = isArrayLike(collection) ? Array(collection.length) : [];
+	
+	      baseEach(collection, function(value, key, collection) {
+	        result[++index] = iteratee(value, key, collection);
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.matches` which doesn't clone `source`.
+	     *
+	     * @private
+	     * @param {Object} source The object of property values to match.
+	     * @returns {Function} Returns the new spec function.
+	     */
+	    function baseMatches(source) {
+	      var matchData = getMatchData(source);
+	      if (matchData.length == 1 && matchData[0][2]) {
+	        return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+	      }
+	      return function(object) {
+	        return object === source || baseIsMatch(object, source, matchData);
+	      };
+	    }
+	
+	    /**
+	     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
+	     *
+	     * @private
+	     * @param {string} path The path of the property to get.
+	     * @param {*} srcValue The value to match.
+	     * @returns {Function} Returns the new spec function.
+	     */
+	    function baseMatchesProperty(path, srcValue) {
+	      if (isKey(path) && isStrictComparable(srcValue)) {
+	        return matchesStrictComparable(toKey(path), srcValue);
+	      }
+	      return function(object) {
+	        var objValue = get(object, path);
+	        return (objValue === undefined && objValue === srcValue)
+	          ? hasIn(object, path)
+	          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+	      };
+	    }
+	
+	    /**
+	     * The base implementation of `_.merge` without support for multiple sources.
+	     *
+	     * @private
+	     * @param {Object} object The destination object.
+	     * @param {Object} source The source object.
+	     * @param {number} srcIndex The index of `source`.
+	     * @param {Function} [customizer] The function to customize merged values.
+	     * @param {Object} [stack] Tracks traversed source values and their merged
+	     *  counterparts.
+	     */
+	    function baseMerge(object, source, srcIndex, customizer, stack) {
+	      if (object === source) {
+	        return;
+	      }
+	      baseFor(source, function(srcValue, key) {
+	        if (isObject(srcValue)) {
+	          stack || (stack = new Stack);
+	          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+	        }
+	        else {
+	          var newValue = customizer
+	            ? customizer(object[key], srcValue, (key + ''), object, source, stack)
+	            : undefined;
+	
+	          if (newValue === undefined) {
+	            newValue = srcValue;
+	          }
+	          assignMergeValue(object, key, newValue);
+	        }
+	      }, keysIn);
+	    }
+	
+	    /**
+	     * A specialized version of `baseMerge` for arrays and objects which performs
+	     * deep merges and tracks traversed objects enabling objects with circular
+	     * references to be merged.
+	     *
+	     * @private
+	     * @param {Object} object The destination object.
+	     * @param {Object} source The source object.
+	     * @param {string} key The key of the value to merge.
+	     * @param {number} srcIndex The index of `source`.
+	     * @param {Function} mergeFunc The function to merge values.
+	     * @param {Function} [customizer] The function to customize assigned values.
+	     * @param {Object} [stack] Tracks traversed source values and their merged
+	     *  counterparts.
+	     */
+	    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+	      var objValue = object[key],
+	          srcValue = source[key],
+	          stacked = stack.get(srcValue);
+	
+	      if (stacked) {
+	        assignMergeValue(object, key, stacked);
+	        return;
+	      }
+	      var newValue = customizer
+	        ? customizer(objValue, srcValue, (key + ''), object, source, stack)
+	        : undefined;
+	
+	      var isCommon = newValue === undefined;
+	
+	      if (isCommon) {
+	        var isArr = isArray(srcValue),
+	            isBuff = !isArr && isBuffer(srcValue),
+	            isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+	
+	        newValue = srcValue;
+	        if (isArr || isBuff || isTyped) {
+	          if (isArray(objValue)) {
+	            newValue = objValue;
+	          }
+	          else if (isArrayLikeObject(objValue)) {
+	            newValue = copyArray(objValue);
+	          }
+	          else if (isBuff) {
+	            isCommon = false;
+	            newValue = cloneBuffer(srcValue, true);
+	          }
+	          else if (isTyped) {
+	            isCommon = false;
+	            newValue = cloneTypedArray(srcValue, true);
+	          }
+	          else {
+	            newValue = [];
+	          }
+	        }
+	        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+	          newValue = objValue;
+	          if (isArguments(objValue)) {
+	            newValue = toPlainObject(objValue);
+	          }
+	          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
+	            newValue = initCloneObject(srcValue);
+	          }
+	        }
+	        else {
+	          isCommon = false;
+	        }
+	      }
+	      if (isCommon) {
+	        // Recursively merge objects and arrays (susceptible to call stack limits).
+	        stack.set(srcValue, newValue);
+	        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+	        stack['delete'](srcValue);
+	      }
+	      assignMergeValue(object, key, newValue);
+	    }
+	
+	    /**
+	     * The base implementation of `_.nth` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {Array} array The array to query.
+	     * @param {number} n The index of the element to return.
+	     * @returns {*} Returns the nth element of `array`.
+	     */
+	    function baseNth(array, n) {
+	      var length = array.length;
+	      if (!length) {
+	        return;
+	      }
+	      n += n < 0 ? length : 0;
+	      return isIndex(n, length) ? array[n] : undefined;
+	    }
+	
+	    /**
+	     * The base implementation of `_.orderBy` without param guards.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
+	     * @param {string[]} orders The sort orders of `iteratees`.
+	     * @returns {Array} Returns the new sorted array.
+	     */
+	    function baseOrderBy(collection, iteratees, orders) {
+	      var index = -1;
+	      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));
+	
+	      var result = baseMap(collection, function(value, key, collection) {
+	        var criteria = arrayMap(iteratees, function(iteratee) {
+	          return iteratee(value);
+	        });
+	        return { 'criteria': criteria, 'index': ++index, 'value': value };
+	      });
+	
+	      return baseSortBy(result, function(object, other) {
+	        return compareMultiple(object, other, orders);
+	      });
+	    }
+	
+	    /**
+	     * The base implementation of `_.pick` without support for individual
+	     * property identifiers.
+	     *
+	     * @private
+	     * @param {Object} object The source object.
+	     * @param {string[]} paths The property paths to pick.
+	     * @returns {Object} Returns the new object.
+	     */
+	    function basePick(object, paths) {
+	      return basePickBy(object, paths, function(value, path) {
+	        return hasIn(object, path);
+	      });
+	    }
+	
+	    /**
+	     * The base implementation of  `_.pickBy` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Object} object The source object.
+	     * @param {string[]} paths The property paths to pick.
+	     * @param {Function} predicate The function invoked per property.
+	     * @returns {Object} Returns the new object.
+	     */
+	    function basePickBy(object, paths, predicate) {
+	      var index = -1,
+	          length = paths.length,
+	          result = {};
+	
+	      while (++index < length) {
+	        var path = paths[index],
+	            value = baseGet(object, path);
+	
+	        if (predicate(value, path)) {
+	          baseSet(result, castPath(path, object), value);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * A specialized version of `baseProperty` which supports deep paths.
+	     *
+	     * @private
+	     * @param {Array|string} path The path of the property to get.
+	     * @returns {Function} Returns the new accessor function.
+	     */
+	    function basePropertyDeep(path) {
+	      return function(object) {
+	        return baseGet(object, path);
+	      };
+	    }
+	
+	    /**
+	     * The base implementation of `_.pullAllBy` without support for iteratee
+	     * shorthands.
+	     *
+	     * @private
+	     * @param {Array} array The array to modify.
+	     * @param {Array} values The values to remove.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function basePullAll(array, values, iteratee, comparator) {
+	      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
+	          index = -1,
+	          length = values.length,
+	          seen = array;
+	
+	      if (array === values) {
+	        values = copyArray(values);
+	      }
+	      if (iteratee) {
+	        seen = arrayMap(array, baseUnary(iteratee));
+	      }
+	      while (++index < length) {
+	        var fromIndex = 0,
+	            value = values[index],
+	            computed = iteratee ? iteratee(value) : value;
+	
+	        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
+	          if (seen !== array) {
+	            splice.call(seen, fromIndex, 1);
+	          }
+	          splice.call(array, fromIndex, 1);
+	        }
+	      }
+	      return array;
+	    }
+	
+	    /**
+	     * The base implementation of `_.pullAt` without support for individual
+	     * indexes or capturing the removed elements.
+	     *
+	     * @private
+	     * @param {Array} array The array to modify.
+	     * @param {number[]} indexes The indexes of elements to remove.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function basePullAt(array, indexes) {
+	      var length = array ? indexes.length : 0,
+	          lastIndex = length - 1;
+	
+	      while (length--) {
+	        var index = indexes[length];
+	        if (length == lastIndex || index !== previous) {
+	          var previous = index;
+	          if (isIndex(index)) {
+	            splice.call(array, index, 1);
+	          } else {
+	            baseUnset(array, index);
+	          }
+	        }
+	      }
+	      return array;
+	    }
+	
+	    /**
+	     * The base implementation of `_.random` without support for returning
+	     * floating-point numbers.
+	     *
+	     * @private
+	     * @param {number} lower The lower bound.
+	     * @param {number} upper The upper bound.
+	     * @returns {number} Returns the random number.
+	     */
+	    function baseRandom(lower, upper) {
+	      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
+	    }
+	
+	    /**
+	     * The base implementation of `_.range` and `_.rangeRight` which doesn't
+	     * coerce arguments.
+	     *
+	     * @private
+	     * @param {number} start The start of the range.
+	     * @param {number} end The end of the range.
+	     * @param {number} step The value to increment or decrement by.
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Array} Returns the range of numbers.
+	     */
+	    function baseRange(start, end, step, fromRight) {
+	      var index = -1,
+	          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
+	          result = Array(length);
+	
+	      while (length--) {
+	        result[fromRight ? length : ++index] = start;
+	        start += step;
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.repeat` which doesn't coerce arguments.
+	     *
+	     * @private
+	     * @param {string} string The string to repeat.
+	     * @param {number} n The number of times to repeat the string.
+	     * @returns {string} Returns the repeated string.
+	     */
+	    function baseRepeat(string, n) {
+	      var result = '';
+	      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+	        return result;
+	      }
+	      // Leverage the exponentiation by squaring algorithm for a faster repeat.
+	      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+	      do {
+	        if (n % 2) {
+	          result += string;
+	        }
+	        n = nativeFloor(n / 2);
+	        if (n) {
+	          string += string;
+	        }
+	      } while (n);
+	
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.rest` which doesn't validate or coerce arguments.
+	     *
+	     * @private
+	     * @param {Function} func The function to apply a rest parameter to.
+	     * @param {number} [start=func.length-1] The start position of the rest parameter.
+	     * @returns {Function} Returns the new function.
+	     */
+	    function baseRest(func, start) {
+	      return setToString(overRest(func, start, identity), func + '');
+	    }
+	
+	    /**
+	     * The base implementation of `_.sample`.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to sample.
+	     * @returns {*} Returns the random element.
+	     */
+	    function baseSample(collection) {
+	      return arraySample(values(collection));
+	    }
+	
+	    /**
+	     * The base implementation of `_.sampleSize` without param guards.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to sample.
+	     * @param {number} n The number of elements to sample.
+	     * @returns {Array} Returns the random elements.
+	     */
+	    function baseSampleSize(collection, n) {
+	      var array = values(collection);
+	      return shuffleSelf(array, baseClamp(n, 0, array.length));
+	    }
+	
+	    /**
+	     * The base implementation of `_.set`.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to set.
+	     * @param {*} value The value to set.
+	     * @param {Function} [customizer] The function to customize path creation.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseSet(object, path, value, customizer) {
+	      if (!isObject(object)) {
+	        return object;
+	      }
+	      path = castPath(path, object);
+	
+	      var index = -1,
+	          length = path.length,
+	          lastIndex = length - 1,
+	          nested = object;
+	
+	      while (nested != null && ++index < length) {
+	        var key = toKey(path[index]),
+	            newValue = value;
+	
+	        if (index != lastIndex) {
+	          var objValue = nested[key];
+	          newValue = customizer ? customizer(objValue, key, nested) : undefined;
+	          if (newValue === undefined) {
+	            newValue = isObject(objValue)
+	              ? objValue
+	              : (isIndex(path[index + 1]) ? [] : {});
+	          }
+	        }
+	        assignValue(nested, key, newValue);
+	        nested = nested[key];
+	      }
+	      return object;
+	    }
+	
+	    /**
+	     * The base implementation of `setData` without support for hot loop shorting.
+	     *
+	     * @private
+	     * @param {Function} func The function to associate metadata with.
+	     * @param {*} data The metadata.
+	     * @returns {Function} Returns `func`.
+	     */
+	    var baseSetData = !metaMap ? identity : function(func, data) {
+	      metaMap.set(func, data);
+	      return func;
+	    };
+	
+	    /**
+	     * The base implementation of `setToString` without support for hot loop shorting.
+	     *
+	     * @private
+	     * @param {Function} func The function to modify.
+	     * @param {Function} string The `toString` result.
+	     * @returns {Function} Returns `func`.
+	     */
+	    var baseSetToString = !defineProperty ? identity : function(func, string) {
+	      return defineProperty(func, 'toString', {
+	        'configurable': true,
+	        'enumerable': false,
+	        'value': constant(string),
+	        'writable': true
+	      });
+	    };
+	
+	    /**
+	     * The base implementation of `_.shuffle`.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to shuffle.
+	     * @returns {Array} Returns the new shuffled array.
+	     */
+	    function baseShuffle(collection) {
+	      return shuffleSelf(values(collection));
+	    }
+	
+	    /**
+	     * The base implementation of `_.slice` without an iteratee call guard.
+	     *
+	     * @private
+	     * @param {Array} array The array to slice.
+	     * @param {number} [start=0] The start position.
+	     * @param {number} [end=array.length] The end position.
+	     * @returns {Array} Returns the slice of `array`.
+	     */
+	    function baseSlice(array, start, end) {
+	      var index = -1,
+	          length = array.length;
+	
+	      if (start < 0) {
+	        start = -start > length ? 0 : (length + start);
+	      }
+	      end = end > length ? length : end;
+	      if (end < 0) {
+	        end += length;
+	      }
+	      length = start > end ? 0 : ((end - start) >>> 0);
+	      start >>>= 0;
+	
+	      var result = Array(length);
+	      while (++index < length) {
+	        result[index] = array[index + start];
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.some` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} predicate The function invoked per iteration.
+	     * @returns {boolean} Returns `true` if any element passes the predicate check,
+	     *  else `false`.
+	     */
+	    function baseSome(collection, predicate) {
+	      var result;
+	
+	      baseEach(collection, function(value, index, collection) {
+	        result = predicate(value, index, collection);
+	        return !result;
+	      });
+	      return !!result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
+	     * performs a binary search of `array` to determine the index at which `value`
+	     * should be inserted into `array` in order to maintain its sort order.
+	     *
+	     * @private
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     */
+	    function baseSortedIndex(array, value, retHighest) {
+	      var low = 0,
+	          high = array == null ? low : array.length;
+	
+	      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+	        while (low < high) {
+	          var mid = (low + high) >>> 1,
+	              computed = array[mid];
+	
+	          if (computed !== null && !isSymbol(computed) &&
+	              (retHighest ? (computed <= value) : (computed < value))) {
+	            low = mid + 1;
+	          } else {
+	            high = mid;
+	          }
+	        }
+	        return high;
+	      }
+	      return baseSortedIndexBy(array, value, identity, retHighest);
+	    }
+	
+	    /**
+	     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
+	     * which invokes `iteratee` for `value` and each element of `array` to compute
+	     * their sort ranking. The iteratee is invoked with one argument; (value).
+	     *
+	     * @private
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @param {Function} iteratee The iteratee invoked per element.
+	     * @param {boolean} [retHighest] Specify returning the highest qualified index.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     */
+	    function baseSortedIndexBy(array, value, iteratee, retHighest) {
+	      value = iteratee(value);
+	
+	      var low = 0,
+	          high = array == null ? 0 : array.length,
+	          valIsNaN = value !== value,
+	          valIsNull = value === null,
+	          valIsSymbol = isSymbol(value),
+	          valIsUndefined = value === undefined;
+	
+	      while (low < high) {
+	        var mid = nativeFloor((low + high) / 2),
+	            computed = iteratee(array[mid]),
+	            othIsDefined = computed !== undefined,
+	            othIsNull = computed === null,
+	            othIsReflexive = computed === computed,
+	            othIsSymbol = isSymbol(computed);
+	
+	        if (valIsNaN) {
+	          var setLow = retHighest || othIsReflexive;
+	        } else if (valIsUndefined) {
+	          setLow = othIsReflexive && (retHighest || othIsDefined);
+	        } else if (valIsNull) {
+	          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+	        } else if (valIsSymbol) {
+	          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+	        } else if (othIsNull || othIsSymbol) {
+	          setLow = false;
+	        } else {
+	          setLow = retHighest ? (computed <= value) : (computed < value);
+	        }
+	        if (setLow) {
+	          low = mid + 1;
+	        } else {
+	          high = mid;
+	        }
+	      }
+	      return nativeMin(high, MAX_ARRAY_INDEX);
+	    }
+	
+	    /**
+	     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
+	     * support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @returns {Array} Returns the new duplicate free array.
+	     */
+	    function baseSortedUniq(array, iteratee) {
+	      var index = -1,
+	          length = array.length,
+	          resIndex = 0,
+	          result = [];
+	
+	      while (++index < length) {
+	        var value = array[index],
+	            computed = iteratee ? iteratee(value) : value;
+	
+	        if (!index || !eq(computed, seen)) {
+	          var seen = computed;
+	          result[resIndex++] = value === 0 ? 0 : value;
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.toNumber` which doesn't ensure correct
+	     * conversions of binary, hexadecimal, or octal string values.
+	     *
+	     * @private
+	     * @param {*} value The value to process.
+	     * @returns {number} Returns the number.
+	     */
+	    function baseToNumber(value) {
+	      if (typeof value == 'number') {
+	        return value;
+	      }
+	      if (isSymbol(value)) {
+	        return NAN;
+	      }
+	      return +value;
+	    }
+	
+	    /**
+	     * The base implementation of `_.toString` which doesn't convert nullish
+	     * values to empty strings.
+	     *
+	     * @private
+	     * @param {*} value The value to process.
+	     * @returns {string} Returns the string.
+	     */
+	    function baseToString(value) {
+	      // Exit early for strings to avoid a performance hit in some environments.
+	      if (typeof value == 'string') {
+	        return value;
+	      }
+	      if (isArray(value)) {
+	        // Recursively convert values (susceptible to call stack limits).
+	        return arrayMap(value, baseToString) + '';
+	      }
+	      if (isSymbol(value)) {
+	        return symbolToString ? symbolToString.call(value) : '';
+	      }
+	      var result = (value + '');
+	      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.uniqBy` without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new duplicate free array.
+	     */
+	    function baseUniq(array, iteratee, comparator) {
+	      var index = -1,
+	          includes = arrayIncludes,
+	          length = array.length,
+	          isCommon = true,
+	          result = [],
+	          seen = result;
+	
+	      if (comparator) {
+	        isCommon = false;
+	        includes = arrayIncludesWith;
+	      }
+	      else if (length >= LARGE_ARRAY_SIZE) {
+	        var set = iteratee ? null : createSet(array);
+	        if (set) {
+	          return setToArray(set);
+	        }
+	        isCommon = false;
+	        includes = cacheHas;
+	        seen = new SetCache;
+	      }
+	      else {
+	        seen = iteratee ? [] : result;
+	      }
+	      outer:
+	      while (++index < length) {
+	        var value = array[index],
+	            computed = iteratee ? iteratee(value) : value;
+	
+	        value = (comparator || value !== 0) ? value : 0;
+	        if (isCommon && computed === computed) {
+	          var seenIndex = seen.length;
+	          while (seenIndex--) {
+	            if (seen[seenIndex] === computed) {
+	              continue outer;
+	            }
+	          }
+	          if (iteratee) {
+	            seen.push(computed);
+	          }
+	          result.push(value);
+	        }
+	        else if (!includes(seen, computed, comparator)) {
+	          if (seen !== result) {
+	            seen.push(computed);
+	          }
+	          result.push(value);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * The base implementation of `_.unset`.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The property path to unset.
+	     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+	     */
+	    function baseUnset(object, path) {
+	      path = castPath(path, object);
+	      object = parent(object, path);
+	      return object == null || delete object[toKey(last(path))];
+	    }
+	
+	    /**
+	     * The base implementation of `_.update`.
+	     *
+	     * @private
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to update.
+	     * @param {Function} updater The function to produce the updated value.
+	     * @param {Function} [customizer] The function to customize path creation.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function baseUpdate(object, path, updater, customizer) {
+	      return baseSet(object, path, updater(baseGet(object, path)), customizer);
+	    }
+	
+	    /**
+	     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
+	     * without support for iteratee shorthands.
+	     *
+	     * @private
+	     * @param {Array} array The array to query.
+	     * @param {Function} predicate The function invoked per iteration.
+	     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Array} Returns the slice of `array`.
+	     */
+	    function baseWhile(array, predicate, isDrop, fromRight) {
+	      var length = array.length,
+	          index = fromRight ? length : -1;
+	
+	      while ((fromRight ? index-- : ++index < length) &&
+	        predicate(array[index], index, array)) {}
+	
+	      return isDrop
+	        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
+	        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
+	    }
+	
+	    /**
+	     * The base implementation of `wrapperValue` which returns the result of
+	     * performing a sequence of actions on the unwrapped `value`, where each
+	     * successive action is supplied the return value of the previous.
+	     *
+	     * @private
+	     * @param {*} value The unwrapped value.
+	     * @param {Array} actions Actions to perform to resolve the unwrapped value.
+	     * @returns {*} Returns the resolved value.
+	     */
+	    function baseWrapperValue(value, actions) {
+	      var result = value;
+	      if (result instanceof LazyWrapper) {
+	        result = result.value();
+	      }
+	      return arrayReduce(actions, function(result, action) {
+	        return action.func.apply(action.thisArg, arrayPush([result], action.args));
+	      }, result);
+	    }
+	
+	    /**
+	     * The base implementation of methods like `_.xor`, without support for
+	     * iteratee shorthands, that accepts an array of arrays to inspect.
+	     *
+	     * @private
+	     * @param {Array} arrays The arrays to inspect.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of values.
+	     */
+	    function baseXor(arrays, iteratee, comparator) {
+	      var length = arrays.length;
+	      if (length < 2) {
+	        return length ? baseUniq(arrays[0]) : [];
+	      }
+	      var index = -1,
+	          result = Array(length);
+	
+	      while (++index < length) {
+	        var array = arrays[index],
+	            othIndex = -1;
+	
+	        while (++othIndex < length) {
+	          if (othIndex != index) {
+	            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+	          }
+	        }
+	      }
+	      return baseUniq(baseFlatten(result, 1), iteratee, comparator);
+	    }
+	
+	    /**
+	     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
+	     *
+	     * @private
+	     * @param {Array} props The property identifiers.
+	     * @param {Array} values The property values.
+	     * @param {Function} assignFunc The function to assign values.
+	     * @returns {Object} Returns the new object.
+	     */
+	    function baseZipObject(props, values, assignFunc) {
+	      var index = -1,
+	          length = props.length,
+	          valsLength = values.length,
+	          result = {};
+	
+	      while (++index < length) {
+	        var value = index < valsLength ? values[index] : undefined;
+	        assignFunc(result, props[index], value);
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Casts `value` to an empty array if it's not an array like object.
+	     *
+	     * @private
+	     * @param {*} value The value to inspect.
+	     * @returns {Array|Object} Returns the cast array-like object.
+	     */
+	    function castArrayLikeObject(value) {
+	      return isArrayLikeObject(value) ? value : [];
+	    }
+	
+	    /**
+	     * Casts `value` to `identity` if it's not a function.
+	     *
+	     * @private
+	     * @param {*} value The value to inspect.
+	     * @returns {Function} Returns cast function.
+	     */
+	    function castFunction(value) {
+	      return typeof value == 'function' ? value : identity;
+	    }
+	
+	    /**
+	     * Casts `value` to a path array if it's not one.
+	     *
+	     * @private
+	     * @param {*} value The value to inspect.
+	     * @param {Object} [object] The object to query keys on.
+	     * @returns {Array} Returns the cast property path array.
+	     */
+	    function castPath(value, object) {
+	      if (isArray(value)) {
+	        return value;
+	      }
+	      return isKey(value, object) ? [value] : stringToPath(toString(value));
+	    }
+	
+	    /**
+	     * A `baseRest` alias which can be replaced with `identity` by module
+	     * replacement plugins.
+	     *
+	     * @private
+	     * @type {Function}
+	     * @param {Function} func The function to apply a rest parameter to.
+	     * @returns {Function} Returns the new function.
+	     */
+	    var castRest = baseRest;
+	
+	    /**
+	     * Casts `array` to a slice if it's needed.
+	     *
+	     * @private
+	     * @param {Array} array The array to inspect.
+	     * @param {number} start The start position.
+	     * @param {number} [end=array.length] The end position.
+	     * @returns {Array} Returns the cast slice.
+	     */
+	    function castSlice(array, start, end) {
+	      var length = array.length;
+	      end = end === undefined ? length : end;
+	      return (!start && end >= length) ? array : baseSlice(array, start, end);
+	    }
+	
+	    /**
+	     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
+	     *
+	     * @private
+	     * @param {number|Object} id The timer id or timeout object of the timer to clear.
+	     */
+	    var clearTimeout = ctxClearTimeout || function(id) {
+	      return root.clearTimeout(id);
+	    };
+	
+	    /**
+	     * Creates a clone of  `buffer`.
+	     *
+	     * @private
+	     * @param {Buffer} buffer The buffer to clone.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Buffer} Returns the cloned buffer.
+	     */
+	    function cloneBuffer(buffer, isDeep) {
+	      if (isDeep) {
+	        return buffer.slice();
+	      }
+	      var length = buffer.length,
+	          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+	
+	      buffer.copy(result);
+	      return result;
+	    }
+	
+	    /**
+	     * Creates a clone of `arrayBuffer`.
+	     *
+	     * @private
+	     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
+	     * @returns {ArrayBuffer} Returns the cloned array buffer.
+	     */
+	    function cloneArrayBuffer(arrayBuffer) {
+	      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
+	      new Uint8Array(result).set(new Uint8Array(arrayBuffer));
+	      return result;
+	    }
+	
+	    /**
+	     * Creates a clone of `dataView`.
+	     *
+	     * @private
+	     * @param {Object} dataView The data view to clone.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Object} Returns the cloned data view.
+	     */
+	    function cloneDataView(dataView, isDeep) {
+	      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+	      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+	    }
+	
+	    /**
+	     * Creates a clone of `map`.
+	     *
+	     * @private
+	     * @param {Object} map The map to clone.
+	     * @param {Function} cloneFunc The function to clone values.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Object} Returns the cloned map.
+	     */
+	    function cloneMap(map, isDeep, cloneFunc) {
+	      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
+	      return arrayReduce(array, addMapEntry, new map.constructor);
+	    }
+	
+	    /**
+	     * Creates a clone of `regexp`.
+	     *
+	     * @private
+	     * @param {Object} regexp The regexp to clone.
+	     * @returns {Object} Returns the cloned regexp.
+	     */
+	    function cloneRegExp(regexp) {
+	      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+	      result.lastIndex = regexp.lastIndex;
+	      return result;
+	    }
+	
+	    /**
+	     * Creates a clone of `set`.
+	     *
+	     * @private
+	     * @param {Object} set The set to clone.
+	     * @param {Function} cloneFunc The function to clone values.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Object} Returns the cloned set.
+	     */
+	    function cloneSet(set, isDeep, cloneFunc) {
+	      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
+	      return arrayReduce(array, addSetEntry, new set.constructor);
+	    }
+	
+	    /**
+	     * Creates a clone of the `symbol` object.
+	     *
+	     * @private
+	     * @param {Object} symbol The symbol object to clone.
+	     * @returns {Object} Returns the cloned symbol object.
+	     */
+	    function cloneSymbol(symbol) {
+	      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
+	    }
+	
+	    /**
+	     * Creates a clone of `typedArray`.
+	     *
+	     * @private
+	     * @param {Object} typedArray The typed array to clone.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Object} Returns the cloned typed array.
+	     */
+	    function cloneTypedArray(typedArray, isDeep) {
+	      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+	      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+	    }
+	
+	    /**
+	     * Compares values to sort them in ascending order.
+	     *
+	     * @private
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {number} Returns the sort order indicator for `value`.
+	     */
+	    function compareAscending(value, other) {
+	      if (value !== other) {
+	        var valIsDefined = value !== undefined,
+	            valIsNull = value === null,
+	            valIsReflexive = value === value,
+	            valIsSymbol = isSymbol(value);
+	
+	        var othIsDefined = other !== undefined,
+	            othIsNull = other === null,
+	            othIsReflexive = other === other,
+	            othIsSymbol = isSymbol(other);
+	
+	        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
+	            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
+	            (valIsNull && othIsDefined && othIsReflexive) ||
+	            (!valIsDefined && othIsReflexive) ||
+	            !valIsReflexive) {
+	          return 1;
+	        }
+	        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
+	            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
+	            (othIsNull && valIsDefined && valIsReflexive) ||
+	            (!othIsDefined && valIsReflexive) ||
+	            !othIsReflexive) {
+	          return -1;
+	        }
+	      }
+	      return 0;
+	    }
+	
+	    /**
+	     * Used by `_.orderBy` to compare multiple properties of a value to another
+	     * and stable sort them.
+	     *
+	     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
+	     * specify an order of "desc" for descending or "asc" for ascending sort order
+	     * of corresponding values.
+	     *
+	     * @private
+	     * @param {Object} object The object to compare.
+	     * @param {Object} other The other object to compare.
+	     * @param {boolean[]|string[]} orders The order to sort by for each property.
+	     * @returns {number} Returns the sort order indicator for `object`.
+	     */
+	    function compareMultiple(object, other, orders) {
+	      var index = -1,
+	          objCriteria = object.criteria,
+	          othCriteria = other.criteria,
+	          length = objCriteria.length,
+	          ordersLength = orders.length;
+	
+	      while (++index < length) {
+	        var result = compareAscending(objCriteria[index], othCriteria[index]);
+	        if (result) {
+	          if (index >= ordersLength) {
+	            return result;
+	          }
+	          var order = orders[index];
+	          return result * (order == 'desc' ? -1 : 1);
+	        }
+	      }
+	      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
+	      // that causes it, under certain circumstances, to provide the same value for
+	      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
+	      // for more details.
+	      //
+	      // This also ensures a stable sort in V8 and other engines.
+	      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
+	      return object.index - other.index;
+	    }
+	
+	    /**
+	     * Creates an array that is the composition of partially applied arguments,
+	     * placeholders, and provided arguments into a single array of arguments.
+	     *
+	     * @private
+	     * @param {Array} args The provided arguments.
+	     * @param {Array} partials The arguments to prepend to those provided.
+	     * @param {Array} holders The `partials` placeholder indexes.
+	     * @params {boolean} [isCurried] Specify composing for a curried function.
+	     * @returns {Array} Returns the new array of composed arguments.
+	     */
+	    function composeArgs(args, partials, holders, isCurried) {
+	      var argsIndex = -1,
+	          argsLength = args.length,
+	          holdersLength = holders.length,
+	          leftIndex = -1,
+	          leftLength = partials.length,
+	          rangeLength = nativeMax(argsLength - holdersLength, 0),
+	          result = Array(leftLength + rangeLength),
+	          isUncurried = !isCurried;
+	
+	      while (++leftIndex < leftLength) {
+	        result[leftIndex] = partials[leftIndex];
+	      }
+	      while (++argsIndex < holdersLength) {
+	        if (isUncurried || argsIndex < argsLength) {
+	          result[holders[argsIndex]] = args[argsIndex];
+	        }
+	      }
+	      while (rangeLength--) {
+	        result[leftIndex++] = args[argsIndex++];
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * This function is like `composeArgs` except that the arguments composition
+	     * is tailored for `_.partialRight`.
+	     *
+	     * @private
+	     * @param {Array} args The provided arguments.
+	     * @param {Array} partials The arguments to append to those provided.
+	     * @param {Array} holders The `partials` placeholder indexes.
+	     * @params {boolean} [isCurried] Specify composing for a curried function.
+	     * @returns {Array} Returns the new array of composed arguments.
+	     */
+	    function composeArgsRight(args, partials, holders, isCurried) {
+	      var argsIndex = -1,
+	          argsLength = args.length,
+	          holdersIndex = -1,
+	          holdersLength = holders.length,
+	          rightIndex = -1,
+	          rightLength = partials.length,
+	          rangeLength = nativeMax(argsLength - holdersLength, 0),
+	          result = Array(rangeLength + rightLength),
+	          isUncurried = !isCurried;
+	
+	      while (++argsIndex < rangeLength) {
+	        result[argsIndex] = args[argsIndex];
+	      }
+	      var offset = argsIndex;
+	      while (++rightIndex < rightLength) {
+	        result[offset + rightIndex] = partials[rightIndex];
+	      }
+	      while (++holdersIndex < holdersLength) {
+	        if (isUncurried || argsIndex < argsLength) {
+	          result[offset + holders[holdersIndex]] = args[argsIndex++];
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Copies the values of `source` to `array`.
+	     *
+	     * @private
+	     * @param {Array} source The array to copy values from.
+	     * @param {Array} [array=[]] The array to copy values to.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function copyArray(source, array) {
+	      var index = -1,
+	          length = source.length;
+	
+	      array || (array = Array(length));
+	      while (++index < length) {
+	        array[index] = source[index];
+	      }
+	      return array;
+	    }
+	
+	    /**
+	     * Copies properties of `source` to `object`.
+	     *
+	     * @private
+	     * @param {Object} source The object to copy properties from.
+	     * @param {Array} props The property identifiers to copy.
+	     * @param {Object} [object={}] The object to copy properties to.
+	     * @param {Function} [customizer] The function to customize copied values.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function copyObject(source, props, object, customizer) {
+	      var isNew = !object;
+	      object || (object = {});
+	
+	      var index = -1,
+	          length = props.length;
+	
+	      while (++index < length) {
+	        var key = props[index];
+	
+	        var newValue = customizer
+	          ? customizer(object[key], source[key], key, object, source)
+	          : undefined;
+	
+	        if (newValue === undefined) {
+	          newValue = source[key];
+	        }
+	        if (isNew) {
+	          baseAssignValue(object, key, newValue);
+	        } else {
+	          assignValue(object, key, newValue);
+	        }
+	      }
+	      return object;
+	    }
+	
+	    /**
+	     * Copies own symbols of `source` to `object`.
+	     *
+	     * @private
+	     * @param {Object} source The object to copy symbols from.
+	     * @param {Object} [object={}] The object to copy symbols to.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function copySymbols(source, object) {
+	      return copyObject(source, getSymbols(source), object);
+	    }
+	
+	    /**
+	     * Copies own and inherited symbols of `source` to `object`.
+	     *
+	     * @private
+	     * @param {Object} source The object to copy symbols from.
+	     * @param {Object} [object={}] The object to copy symbols to.
+	     * @returns {Object} Returns `object`.
+	     */
+	    function copySymbolsIn(source, object) {
+	      return copyObject(source, getSymbolsIn(source), object);
+	    }
+	
+	    /**
+	     * Creates a function like `_.groupBy`.
+	     *
+	     * @private
+	     * @param {Function} setter The function to set accumulator values.
+	     * @param {Function} [initializer] The accumulator object initializer.
+	     * @returns {Function} Returns the new aggregator function.
+	     */
+	    function createAggregator(setter, initializer) {
+	      return function(collection, iteratee) {
+	        var func = isArray(collection) ? arrayAggregator : baseAggregator,
+	            accumulator = initializer ? initializer() : {};
+	
+	        return func(collection, setter, getIteratee(iteratee, 2), accumulator);
+	      };
+	    }
+	
+	    /**
+	     * Creates a function like `_.assign`.
+	     *
+	     * @private
+	     * @param {Function} assigner The function to assign values.
+	     * @returns {Function} Returns the new assigner function.
+	     */
+	    function createAssigner(assigner) {
+	      return baseRest(function(object, sources) {
+	        var index = -1,
+	            length = sources.length,
+	            customizer = length > 1 ? sources[length - 1] : undefined,
+	            guard = length > 2 ? sources[2] : undefined;
+	
+	        customizer = (assigner.length > 3 && typeof customizer == 'function')
+	          ? (length--, customizer)
+	          : undefined;
+	
+	        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+	          customizer = length < 3 ? undefined : customizer;
+	          length = 1;
+	        }
+	        object = Object(object);
+	        while (++index < length) {
+	          var source = sources[index];
+	          if (source) {
+	            assigner(object, source, index, customizer);
+	          }
+	        }
+	        return object;
+	      });
+	    }
+	
+	    /**
+	     * Creates a `baseEach` or `baseEachRight` function.
+	     *
+	     * @private
+	     * @param {Function} eachFunc The function to iterate over a collection.
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Function} Returns the new base function.
+	     */
+	    function createBaseEach(eachFunc, fromRight) {
+	      return function(collection, iteratee) {
+	        if (collection == null) {
+	          return collection;
+	        }
+	        if (!isArrayLike(collection)) {
+	          return eachFunc(collection, iteratee);
+	        }
+	        var length = collection.length,
+	            index = fromRight ? length : -1,
+	            iterable = Object(collection);
+	
+	        while ((fromRight ? index-- : ++index < length)) {
+	          if (iteratee(iterable[index], index, iterable) === false) {
+	            break;
+	          }
+	        }
+	        return collection;
+	      };
+	    }
+	
+	    /**
+	     * Creates a base function for methods like `_.forIn` and `_.forOwn`.
+	     *
+	     * @private
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Function} Returns the new base function.
+	     */
+	    function createBaseFor(fromRight) {
+	      return function(object, iteratee, keysFunc) {
+	        var index = -1,
+	            iterable = Object(object),
+	            props = keysFunc(object),
+	            length = props.length;
+	
+	        while (length--) {
+	          var key = props[fromRight ? length : ++index];
+	          if (iteratee(iterable[key], key, iterable) === false) {
+	            break;
+	          }
+	        }
+	        return object;
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that wraps `func` to invoke it with the optional `this`
+	     * binding of `thisArg`.
+	     *
+	     * @private
+	     * @param {Function} func The function to wrap.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @param {*} [thisArg] The `this` binding of `func`.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createBind(func, bitmask, thisArg) {
+	      var isBind = bitmask & WRAP_BIND_FLAG,
+	          Ctor = createCtor(func);
+	
+	      function wrapper() {
+	        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+	        return fn.apply(isBind ? thisArg : this, arguments);
+	      }
+	      return wrapper;
+	    }
+	
+	    /**
+	     * Creates a function like `_.lowerFirst`.
+	     *
+	     * @private
+	     * @param {string} methodName The name of the `String` case method to use.
+	     * @returns {Function} Returns the new case function.
+	     */
+	    function createCaseFirst(methodName) {
+	      return function(string) {
+	        string = toString(string);
+	
+	        var strSymbols = hasUnicode(string)
+	          ? stringToArray(string)
+	          : undefined;
+	
+	        var chr = strSymbols
+	          ? strSymbols[0]
+	          : string.charAt(0);
+	
+	        var trailing = strSymbols
+	          ? castSlice(strSymbols, 1).join('')
+	          : string.slice(1);
+	
+	        return chr[methodName]() + trailing;
+	      };
+	    }
+	
+	    /**
+	     * Creates a function like `_.camelCase`.
+	     *
+	     * @private
+	     * @param {Function} callback The function to combine each word.
+	     * @returns {Function} Returns the new compounder function.
+	     */
+	    function createCompounder(callback) {
+	      return function(string) {
+	        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that produces an instance of `Ctor` regardless of
+	     * whether it was invoked as part of a `new` expression or by `call` or `apply`.
+	     *
+	     * @private
+	     * @param {Function} Ctor The constructor to wrap.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createCtor(Ctor) {
+	      return function() {
+	        // Use a `switch` statement to work with class constructors. See
+	        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
+	        // for more details.
+	        var args = arguments;
+	        switch (args.length) {
+	          case 0: return new Ctor;
+	          case 1: return new Ctor(args[0]);
+	          case 2: return new Ctor(args[0], args[1]);
+	          case 3: return new Ctor(args[0], args[1], args[2]);
+	          case 4: return new Ctor(args[0], args[1], args[2], args[3]);
+	          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+	          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+	          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+	        }
+	        var thisBinding = baseCreate(Ctor.prototype),
+	            result = Ctor.apply(thisBinding, args);
+	
+	        // Mimic the constructor's `return` behavior.
+	        // See https://es5.github.io/#x13.2.2 for more details.
+	        return isObject(result) ? result : thisBinding;
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that wraps `func` to enable currying.
+	     *
+	     * @private
+	     * @param {Function} func The function to wrap.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @param {number} arity The arity of `func`.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createCurry(func, bitmask, arity) {
+	      var Ctor = createCtor(func);
+	
+	      function wrapper() {
+	        var length = arguments.length,
+	            args = Array(length),
+	            index = length,
+	            placeholder = getHolder(wrapper);
+	
+	        while (index--) {
+	          args[index] = arguments[index];
+	        }
+	        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)
+	          ? []
+	          : replaceHolders(args, placeholder);
+	
+	        length -= holders.length;
+	        if (length < arity) {
+	          return createRecurry(
+	            func, bitmask, createHybrid, wrapper.placeholder, undefined,
+	            args, holders, undefined, undefined, arity - length);
+	        }
+	        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+	        return apply(fn, this, args);
+	      }
+	      return wrapper;
+	    }
+	
+	    /**
+	     * Creates a `_.find` or `_.findLast` function.
+	     *
+	     * @private
+	     * @param {Function} findIndexFunc The function to find the collection index.
+	     * @returns {Function} Returns the new find function.
+	     */
+	    function createFind(findIndexFunc) {
+	      return function(collection, predicate, fromIndex) {
+	        var iterable = Object(collection);
+	        if (!isArrayLike(collection)) {
+	          var iteratee = getIteratee(predicate, 3);
+	          collection = keys(collection);
+	          predicate = function(key) { return iteratee(iterable[key], key, iterable); };
+	        }
+	        var index = findIndexFunc(collection, predicate, fromIndex);
+	        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
+	      };
+	    }
+	
+	    /**
+	     * Creates a `_.flow` or `_.flowRight` function.
+	     *
+	     * @private
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Function} Returns the new flow function.
+	     */
+	    function createFlow(fromRight) {
+	      return flatRest(function(funcs) {
+	        var length = funcs.length,
+	            index = length,
+	            prereq = LodashWrapper.prototype.thru;
+	
+	        if (fromRight) {
+	          funcs.reverse();
+	        }
+	        while (index--) {
+	          var func = funcs[index];
+	          if (typeof func != 'function') {
+	            throw new TypeError(FUNC_ERROR_TEXT);
+	          }
+	          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
+	            var wrapper = new LodashWrapper([], true);
+	          }
+	        }
+	        index = wrapper ? index : length;
+	        while (++index < length) {
+	          func = funcs[index];
+	
+	          var funcName = getFuncName(func),
+	              data = funcName == 'wrapper' ? getData(func) : undefined;
+	
+	          if (data && isLaziable(data[0]) &&
+	                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&
+	                !data[4].length && data[9] == 1
+	              ) {
+	            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+	          } else {
+	            wrapper = (func.length == 1 && isLaziable(func))
+	              ? wrapper[funcName]()
+	              : wrapper.thru(func);
+	          }
+	        }
+	        return function() {
+	          var args = arguments,
+	              value = args[0];
+	
+	          if (wrapper && args.length == 1 && isArray(value)) {
+	            return wrapper.plant(value).value();
+	          }
+	          var index = 0,
+	              result = length ? funcs[index].apply(this, args) : value;
+	
+	          while (++index < length) {
+	            result = funcs[index].call(this, result);
+	          }
+	          return result;
+	        };
+	      });
+	    }
+	
+	    /**
+	     * Creates a function that wraps `func` to invoke it with optional `this`
+	     * binding of `thisArg`, partial application, and currying.
+	     *
+	     * @private
+	     * @param {Function|string} func The function or method name to wrap.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @param {*} [thisArg] The `this` binding of `func`.
+	     * @param {Array} [partials] The arguments to prepend to those provided to
+	     *  the new function.
+	     * @param {Array} [holders] The `partials` placeholder indexes.
+	     * @param {Array} [partialsRight] The arguments to append to those provided
+	     *  to the new function.
+	     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
+	     * @param {Array} [argPos] The argument positions of the new function.
+	     * @param {number} [ary] The arity cap of `func`.
+	     * @param {number} [arity] The arity of `func`.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {
+	      var isAry = bitmask & WRAP_ARY_FLAG,
+	          isBind = bitmask & WRAP_BIND_FLAG,
+	          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,
+	          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),
+	          isFlip = bitmask & WRAP_FLIP_FLAG,
+	          Ctor = isBindKey ? undefined : createCtor(func);
+	
+	      function wrapper() {
+	        var length = arguments.length,
+	            args = Array(length),
+	            index = length;
+	
+	        while (index--) {
+	          args[index] = arguments[index];
+	        }
+	        if (isCurried) {
+	          var placeholder = getHolder(wrapper),
+	              holdersCount = countHolders(args, placeholder);
+	        }
+	        if (partials) {
+	          args = composeArgs(args, partials, holders, isCurried);
+	        }
+	        if (partialsRight) {
+	          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+	        }
+	        length -= holdersCount;
+	        if (isCurried && length < arity) {
+	          var newHolders = replaceHolders(args, placeholder);
+	          return createRecurry(
+	            func, bitmask, createHybrid, wrapper.placeholder, thisArg,
+	            args, newHolders, argPos, ary, arity - length
+	          );
+	        }
+	        var thisBinding = isBind ? thisArg : this,
+	            fn = isBindKey ? thisBinding[func] : func;
+	
+	        length = args.length;
+	        if (argPos) {
+	          args = reorder(args, argPos);
+	        } else if (isFlip && length > 1) {
+	          args.reverse();
+	        }
+	        if (isAry && ary < length) {
+	          args.length = ary;
+	        }
+	        if (this && this !== root && this instanceof wrapper) {
+	          fn = Ctor || createCtor(fn);
+	        }
+	        return fn.apply(thisBinding, args);
+	      }
+	      return wrapper;
+	    }
+	
+	    /**
+	     * Creates a function like `_.invertBy`.
+	     *
+	     * @private
+	     * @param {Function} setter The function to set accumulator values.
+	     * @param {Function} toIteratee The function to resolve iteratees.
+	     * @returns {Function} Returns the new inverter function.
+	     */
+	    function createInverter(setter, toIteratee) {
+	      return function(object, iteratee) {
+	        return baseInverter(object, setter, toIteratee(iteratee), {});
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that performs a mathematical operation on two values.
+	     *
+	     * @private
+	     * @param {Function} operator The function to perform the operation.
+	     * @param {number} [defaultValue] The value used for `undefined` arguments.
+	     * @returns {Function} Returns the new mathematical operation function.
+	     */
+	    function createMathOperation(operator, defaultValue) {
+	      return function(value, other) {
+	        var result;
+	        if (value === undefined && other === undefined) {
+	          return defaultValue;
+	        }
+	        if (value !== undefined) {
+	          result = value;
+	        }
+	        if (other !== undefined) {
+	          if (result === undefined) {
+	            return other;
+	          }
+	          if (typeof value == 'string' || typeof other == 'string') {
+	            value = baseToString(value);
+	            other = baseToString(other);
+	          } else {
+	            value = baseToNumber(value);
+	            other = baseToNumber(other);
+	          }
+	          result = operator(value, other);
+	        }
+	        return result;
+	      };
+	    }
+	
+	    /**
+	     * Creates a function like `_.over`.
+	     *
+	     * @private
+	     * @param {Function} arrayFunc The function to iterate over iteratees.
+	     * @returns {Function} Returns the new over function.
+	     */
+	    function createOver(arrayFunc) {
+	      return flatRest(function(iteratees) {
+	        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
+	        return baseRest(function(args) {
+	          var thisArg = this;
+	          return arrayFunc(iteratees, function(iteratee) {
+	            return apply(iteratee, thisArg, args);
+	          });
+	        });
+	      });
+	    }
+	
+	    /**
+	     * Creates the padding for `string` based on `length`. The `chars` string
+	     * is truncated if the number of characters exceeds `length`.
+	     *
+	     * @private
+	     * @param {number} length The padding length.
+	     * @param {string} [chars=' '] The string used as padding.
+	     * @returns {string} Returns the padding for `string`.
+	     */
+	    function createPadding(length, chars) {
+	      chars = chars === undefined ? ' ' : baseToString(chars);
+	
+	      var charsLength = chars.length;
+	      if (charsLength < 2) {
+	        return charsLength ? baseRepeat(chars, length) : chars;
+	      }
+	      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+	      return hasUnicode(chars)
+	        ? castSlice(stringToArray(result), 0, length).join('')
+	        : result.slice(0, length);
+	    }
+	
+	    /**
+	     * Creates a function that wraps `func` to invoke it with the `this` binding
+	     * of `thisArg` and `partials` prepended to the arguments it receives.
+	     *
+	     * @private
+	     * @param {Function} func The function to wrap.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @param {*} thisArg The `this` binding of `func`.
+	     * @param {Array} partials The arguments to prepend to those provided to
+	     *  the new function.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createPartial(func, bitmask, thisArg, partials) {
+	      var isBind = bitmask & WRAP_BIND_FLAG,
+	          Ctor = createCtor(func);
+	
+	      function wrapper() {
+	        var argsIndex = -1,
+	            argsLength = arguments.length,
+	            leftIndex = -1,
+	            leftLength = partials.length,
+	            args = Array(leftLength + argsLength),
+	            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
+	
+	        while (++leftIndex < leftLength) {
+	          args[leftIndex] = partials[leftIndex];
+	        }
+	        while (argsLength--) {
+	          args[leftIndex++] = arguments[++argsIndex];
+	        }
+	        return apply(fn, isBind ? thisArg : this, args);
+	      }
+	      return wrapper;
+	    }
+	
+	    /**
+	     * Creates a `_.range` or `_.rangeRight` function.
+	     *
+	     * @private
+	     * @param {boolean} [fromRight] Specify iterating from right to left.
+	     * @returns {Function} Returns the new range function.
+	     */
+	    function createRange(fromRight) {
+	      return function(start, end, step) {
+	        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
+	          end = step = undefined;
+	        }
+	        // Ensure the sign of `-0` is preserved.
+	        start = toFinite(start);
+	        if (end === undefined) {
+	          end = start;
+	          start = 0;
+	        } else {
+	          end = toFinite(end);
+	        }
+	        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
+	        return baseRange(start, end, step, fromRight);
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that performs a relational operation on two values.
+	     *
+	     * @private
+	     * @param {Function} operator The function to perform the operation.
+	     * @returns {Function} Returns the new relational operation function.
+	     */
+	    function createRelationalOperation(operator) {
+	      return function(value, other) {
+	        if (!(typeof value == 'string' && typeof other == 'string')) {
+	          value = toNumber(value);
+	          other = toNumber(other);
+	        }
+	        return operator(value, other);
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that wraps `func` to continue currying.
+	     *
+	     * @private
+	     * @param {Function} func The function to wrap.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @param {Function} wrapFunc The function to create the `func` wrapper.
+	     * @param {*} placeholder The placeholder value.
+	     * @param {*} [thisArg] The `this` binding of `func`.
+	     * @param {Array} [partials] The arguments to prepend to those provided to
+	     *  the new function.
+	     * @param {Array} [holders] The `partials` placeholder indexes.
+	     * @param {Array} [argPos] The argument positions of the new function.
+	     * @param {number} [ary] The arity cap of `func`.
+	     * @param {number} [arity] The arity of `func`.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
+	      var isCurry = bitmask & WRAP_CURRY_FLAG,
+	          newHolders = isCurry ? holders : undefined,
+	          newHoldersRight = isCurry ? undefined : holders,
+	          newPartials = isCurry ? partials : undefined,
+	          newPartialsRight = isCurry ? undefined : partials;
+	
+	      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);
+	      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+	
+	      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+	        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+	      }
+	      var newData = [
+	        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,
+	        newHoldersRight, argPos, ary, arity
+	      ];
+	
+	      var result = wrapFunc.apply(undefined, newData);
+	      if (isLaziable(func)) {
+	        setData(result, newData);
+	      }
+	      result.placeholder = placeholder;
+	      return setWrapToString(result, func, bitmask);
+	    }
+	
+	    /**
+	     * Creates a function like `_.round`.
+	     *
+	     * @private
+	     * @param {string} methodName The name of the `Math` method to use when rounding.
+	     * @returns {Function} Returns the new round function.
+	     */
+	    function createRound(methodName) {
+	      var func = Math[methodName];
+	      return function(number, precision) {
+	        number = toNumber(number);
+	        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);
+	        if (precision) {
+	          // Shift with exponential notation to avoid floating-point issues.
+	          // See [MDN](https://mdn.io/round#Examples) for more details.
+	          var pair = (toString(number) + 'e').split('e'),
+	              value = func(pair[0] + 'e' + (+pair[1] + precision));
+	
+	          pair = (toString(value) + 'e').split('e');
+	          return +(pair[0] + 'e' + (+pair[1] - precision));
+	        }
+	        return func(number);
+	      };
+	    }
+	
+	    /**
+	     * Creates a set object of `values`.
+	     *
+	     * @private
+	     * @param {Array} values The values to add to the set.
+	     * @returns {Object} Returns the new set.
+	     */
+	    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
+	      return new Set(values);
+	    };
+	
+	    /**
+	     * Creates a `_.toPairs` or `_.toPairsIn` function.
+	     *
+	     * @private
+	     * @param {Function} keysFunc The function to get the keys of a given object.
+	     * @returns {Function} Returns the new pairs function.
+	     */
+	    function createToPairs(keysFunc) {
+	      return function(object) {
+	        var tag = getTag(object);
+	        if (tag == mapTag) {
+	          return mapToArray(object);
+	        }
+	        if (tag == setTag) {
+	          return setToPairs(object);
+	        }
+	        return baseToPairs(object, keysFunc(object));
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that either curries or invokes `func` with optional
+	     * `this` binding and partially applied arguments.
+	     *
+	     * @private
+	     * @param {Function|string} func The function or method name to wrap.
+	     * @param {number} bitmask The bitmask flags.
+	     *    1 - `_.bind`
+	     *    2 - `_.bindKey`
+	     *    4 - `_.curry` or `_.curryRight` of a bound function
+	     *    8 - `_.curry`
+	     *   16 - `_.curryRight`
+	     *   32 - `_.partial`
+	     *   64 - `_.partialRight`
+	     *  128 - `_.rearg`
+	     *  256 - `_.ary`
+	     *  512 - `_.flip`
+	     * @param {*} [thisArg] The `this` binding of `func`.
+	     * @param {Array} [partials] The arguments to be partially applied.
+	     * @param {Array} [holders] The `partials` placeholder indexes.
+	     * @param {Array} [argPos] The argument positions of the new function.
+	     * @param {number} [ary] The arity cap of `func`.
+	     * @param {number} [arity] The arity of `func`.
+	     * @returns {Function} Returns the new wrapped function.
+	     */
+	    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
+	      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+	      if (!isBindKey && typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      var length = partials ? partials.length : 0;
+	      if (!length) {
+	        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+	        partials = holders = undefined;
+	      }
+	      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
+	      arity = arity === undefined ? arity : toInteger(arity);
+	      length -= holders ? holders.length : 0;
+	
+	      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+	        var partialsRight = partials,
+	            holdersRight = holders;
+	
+	        partials = holders = undefined;
+	      }
+	      var data = isBindKey ? undefined : getData(func);
+	
+	      var newData = [
+	        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
+	        argPos, ary, arity
+	      ];
+	
+	      if (data) {
+	        mergeData(newData, data);
+	      }
+	      func = newData[0];
+	      bitmask = newData[1];
+	      thisArg = newData[2];
+	      partials = newData[3];
+	      holders = newData[4];
+	      arity = newData[9] = newData[9] === undefined
+	        ? (isBindKey ? 0 : func.length)
+	        : nativeMax(newData[9] - length, 0);
+	
+	      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+	        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+	      }
+	      if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+	        var result = createBind(func, bitmask, thisArg);
+	      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+	        result = createCurry(func, bitmask, arity);
+	      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+	        result = createPartial(func, bitmask, thisArg, partials);
+	      } else {
+	        result = createHybrid.apply(undefined, newData);
+	      }
+	      var setter = data ? baseSetData : setData;
+	      return setWrapToString(setter(result, newData), func, bitmask);
+	    }
+	
+	    /**
+	     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties
+	     * of source objects to the destination object for all destination properties
+	     * that resolve to `undefined`.
+	     *
+	     * @private
+	     * @param {*} objValue The destination value.
+	     * @param {*} srcValue The source value.
+	     * @param {string} key The key of the property to assign.
+	     * @param {Object} object The parent object of `objValue`.
+	     * @returns {*} Returns the value to assign.
+	     */
+	    function customDefaultsAssignIn(objValue, srcValue, key, object) {
+	      if (objValue === undefined ||
+	          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
+	        return srcValue;
+	      }
+	      return objValue;
+	    }
+	
+	    /**
+	     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source
+	     * objects into destination objects that are passed thru.
+	     *
+	     * @private
+	     * @param {*} objValue The destination value.
+	     * @param {*} srcValue The source value.
+	     * @param {string} key The key of the property to merge.
+	     * @param {Object} object The parent object of `objValue`.
+	     * @param {Object} source The parent object of `srcValue`.
+	     * @param {Object} [stack] Tracks traversed source values and their merged
+	     *  counterparts.
+	     * @returns {*} Returns the value to assign.
+	     */
+	    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+	      if (isObject(objValue) && isObject(srcValue)) {
+	        // Recursively merge objects and arrays (susceptible to call stack limits).
+	        stack.set(srcValue, objValue);
+	        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);
+	        stack['delete'](srcValue);
+	      }
+	      return objValue;
+	    }
+	
+	    /**
+	     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain
+	     * objects.
+	     *
+	     * @private
+	     * @param {*} value The value to inspect.
+	     * @param {string} key The key of the property to inspect.
+	     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.
+	     */
+	    function customOmitClone(value) {
+	      return isPlainObject(value) ? undefined : value;
+	    }
+	
+	    /**
+	     * A specialized version of `baseIsEqualDeep` for arrays with support for
+	     * partial deep comparisons.
+	     *
+	     * @private
+	     * @param {Array} array The array to compare.
+	     * @param {Array} other The other array to compare.
+	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	     * @param {Function} customizer The function to customize comparisons.
+	     * @param {Function} equalFunc The function to determine equivalents of values.
+	     * @param {Object} stack Tracks traversed `array` and `other` objects.
+	     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
+	     */
+	    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
+	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+	          arrLength = array.length,
+	          othLength = other.length;
+	
+	      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+	        return false;
+	      }
+	      // Assume cyclic values are equal.
+	      var stacked = stack.get(array);
+	      if (stacked && stack.get(other)) {
+	        return stacked == other;
+	      }
+	      var index = -1,
+	          result = true,
+	          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+	
+	      stack.set(array, other);
+	      stack.set(other, array);
+	
+	      // Ignore non-index properties.
+	      while (++index < arrLength) {
+	        var arrValue = array[index],
+	            othValue = other[index];
+	
+	        if (customizer) {
+	          var compared = isPartial
+	            ? customizer(othValue, arrValue, index, other, array, stack)
+	            : customizer(arrValue, othValue, index, array, other, stack);
+	        }
+	        if (compared !== undefined) {
+	          if (compared) {
+	            continue;
+	          }
+	          result = false;
+	          break;
+	        }
+	        // Recursively compare arrays (susceptible to call stack limits).
+	        if (seen) {
+	          if (!arraySome(other, function(othValue, othIndex) {
+	                if (!cacheHas(seen, othIndex) &&
+	                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+	                  return seen.push(othIndex);
+	                }
+	              })) {
+	            result = false;
+	            break;
+	          }
+	        } else if (!(
+	              arrValue === othValue ||
+	                equalFunc(arrValue, othValue, bitmask, customizer, stack)
+	            )) {
+	          result = false;
+	          break;
+	        }
+	      }
+	      stack['delete'](array);
+	      stack['delete'](other);
+	      return result;
+	    }
+	
+	    /**
+	     * A specialized version of `baseIsEqualDeep` for comparing objects of
+	     * the same `toStringTag`.
+	     *
+	     * **Note:** This function only supports comparing values with tags of
+	     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+	     *
+	     * @private
+	     * @param {Object} object The object to compare.
+	     * @param {Object} other The other object to compare.
+	     * @param {string} tag The `toStringTag` of the objects to compare.
+	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	     * @param {Function} customizer The function to customize comparisons.
+	     * @param {Function} equalFunc The function to determine equivalents of values.
+	     * @param {Object} stack Tracks traversed `object` and `other` objects.
+	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	     */
+	    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+	      switch (tag) {
+	        case dataViewTag:
+	          if ((object.byteLength != other.byteLength) ||
+	              (object.byteOffset != other.byteOffset)) {
+	            return false;
+	          }
+	          object = object.buffer;
+	          other = other.buffer;
+	
+	        case arrayBufferTag:
+	          if ((object.byteLength != other.byteLength) ||
+	              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
+	            return false;
+	          }
+	          return true;
+	
+	        case boolTag:
+	        case dateTag:
+	        case numberTag:
+	          // Coerce booleans to `1` or `0` and dates to milliseconds.
+	          // Invalid dates are coerced to `NaN`.
+	          return eq(+object, +other);
+	
+	        case errorTag:
+	          return object.name == other.name && object.message == other.message;
+	
+	        case regexpTag:
+	        case stringTag:
+	          // Coerce regexes to strings and treat strings, primitives and objects,
+	          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
+	          // for more details.
+	          return object == (other + '');
+	
+	        case mapTag:
+	          var convert = mapToArray;
+	
+	        case setTag:
+	          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
+	          convert || (convert = setToArray);
+	
+	          if (object.size != other.size && !isPartial) {
+	            return false;
+	          }
+	          // Assume cyclic values are equal.
+	          var stacked = stack.get(object);
+	          if (stacked) {
+	            return stacked == other;
+	          }
+	          bitmask |= COMPARE_UNORDERED_FLAG;
+	
+	          // Recursively compare objects (susceptible to call stack limits).
+	          stack.set(object, other);
+	          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+	          stack['delete'](object);
+	          return result;
+	
+	        case symbolTag:
+	          if (symbolValueOf) {
+	            return symbolValueOf.call(object) == symbolValueOf.call(other);
+	          }
+	      }
+	      return false;
+	    }
+	
+	    /**
+	     * A specialized version of `baseIsEqualDeep` for objects with support for
+	     * partial deep comparisons.
+	     *
+	     * @private
+	     * @param {Object} object The object to compare.
+	     * @param {Object} other The other object to compare.
+	     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
+	     * @param {Function} customizer The function to customize comparisons.
+	     * @param {Function} equalFunc The function to determine equivalents of values.
+	     * @param {Object} stack Tracks traversed `object` and `other` objects.
+	     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+	     */
+	    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+	      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
+	          objProps = getAllKeys(object),
+	          objLength = objProps.length,
+	          othProps = getAllKeys(other),
+	          othLength = othProps.length;
+	
+	      if (objLength != othLength && !isPartial) {
+	        return false;
+	      }
+	      var index = objLength;
+	      while (index--) {
+	        var key = objProps[index];
+	        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
+	          return false;
+	        }
+	      }
+	      // Assume cyclic values are equal.
+	      var stacked = stack.get(object);
+	      if (stacked && stack.get(other)) {
+	        return stacked == other;
+	      }
+	      var result = true;
+	      stack.set(object, other);
+	      stack.set(other, object);
+	
+	      var skipCtor = isPartial;
+	      while (++index < objLength) {
+	        key = objProps[index];
+	        var objValue = object[key],
+	            othValue = other[key];
+	
+	        if (customizer) {
+	          var compared = isPartial
+	            ? customizer(othValue, objValue, key, other, object, stack)
+	            : customizer(objValue, othValue, key, object, other, stack);
+	        }
+	        // Recursively compare objects (susceptible to call stack limits).
+	        if (!(compared === undefined
+	              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))
+	              : compared
+	            )) {
+	          result = false;
+	          break;
+	        }
+	        skipCtor || (skipCtor = key == 'constructor');
+	      }
+	      if (result && !skipCtor) {
+	        var objCtor = object.constructor,
+	            othCtor = other.constructor;
+	
+	        // Non `Object` object instances with different constructors are not equal.
+	        if (objCtor != othCtor &&
+	            ('constructor' in object && 'constructor' in other) &&
+	            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
+	              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
+	          result = false;
+	        }
+	      }
+	      stack['delete'](object);
+	      stack['delete'](other);
+	      return result;
+	    }
+	
+	    /**
+	     * A specialized version of `baseRest` which flattens the rest array.
+	     *
+	     * @private
+	     * @param {Function} func The function to apply a rest parameter to.
+	     * @returns {Function} Returns the new function.
+	     */
+	    function flatRest(func) {
+	      return setToString(overRest(func, undefined, flatten), func + '');
+	    }
+	
+	    /**
+	     * Creates an array of own enumerable property names and symbols of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names and symbols.
+	     */
+	    function getAllKeys(object) {
+	      return baseGetAllKeys(object, keys, getSymbols);
+	    }
+	
+	    /**
+	     * Creates an array of own and inherited enumerable property names and
+	     * symbols of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names and symbols.
+	     */
+	    function getAllKeysIn(object) {
+	      return baseGetAllKeys(object, keysIn, getSymbolsIn);
+	    }
+	
+	    /**
+	     * Gets metadata for `func`.
+	     *
+	     * @private
+	     * @param {Function} func The function to query.
+	     * @returns {*} Returns the metadata for `func`.
+	     */
+	    var getData = !metaMap ? noop : function(func) {
+	      return metaMap.get(func);
+	    };
+	
+	    /**
+	     * Gets the name of `func`.
+	     *
+	     * @private
+	     * @param {Function} func The function to query.
+	     * @returns {string} Returns the function name.
+	     */
+	    function getFuncName(func) {
+	      var result = (func.name + ''),
+	          array = realNames[result],
+	          length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+	
+	      while (length--) {
+	        var data = array[length],
+	            otherFunc = data.func;
+	        if (otherFunc == null || otherFunc == func) {
+	          return data.name;
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the argument placeholder value for `func`.
+	     *
+	     * @private
+	     * @param {Function} func The function to inspect.
+	     * @returns {*} Returns the placeholder value.
+	     */
+	    function getHolder(func) {
+	      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
+	      return object.placeholder;
+	    }
+	
+	    /**
+	     * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
+	     * this function returns the custom method, otherwise it returns `baseIteratee`.
+	     * If arguments are provided, the chosen function is invoked with them and
+	     * its result is returned.
+	     *
+	     * @private
+	     * @param {*} [value] The value to convert to an iteratee.
+	     * @param {number} [arity] The arity of the created iteratee.
+	     * @returns {Function} Returns the chosen function or its result.
+	     */
+	    function getIteratee() {
+	      var result = lodash.iteratee || iteratee;
+	      result = result === iteratee ? baseIteratee : result;
+	      return arguments.length ? result(arguments[0], arguments[1]) : result;
+	    }
+	
+	    /**
+	     * Gets the data for `map`.
+	     *
+	     * @private
+	     * @param {Object} map The map to query.
+	     * @param {string} key The reference key.
+	     * @returns {*} Returns the map data.
+	     */
+	    function getMapData(map, key) {
+	      var data = map.__data__;
+	      return isKeyable(key)
+	        ? data[typeof key == 'string' ? 'string' : 'hash']
+	        : data.map;
+	    }
+	
+	    /**
+	     * Gets the property names, values, and compare flags of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the match data of `object`.
+	     */
+	    function getMatchData(object) {
+	      var result = keys(object),
+	          length = result.length;
+	
+	      while (length--) {
+	        var key = result[length],
+	            value = object[key];
+	
+	        result[length] = [key, value, isStrictComparable(value)];
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the native function at `key` of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {string} key The key of the method to get.
+	     * @returns {*} Returns the function if it's native, else `undefined`.
+	     */
+	    function getNative(object, key) {
+	      var value = getValue(object, key);
+	      return baseIsNative(value) ? value : undefined;
+	    }
+	
+	    /**
+	     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+	     *
+	     * @private
+	     * @param {*} value The value to query.
+	     * @returns {string} Returns the raw `toStringTag`.
+	     */
+	    function getRawTag(value) {
+	      var isOwn = hasOwnProperty.call(value, symToStringTag),
+	          tag = value[symToStringTag];
+	
+	      try {
+	        value[symToStringTag] = undefined;
+	        var unmasked = true;
+	      } catch (e) {}
+	
+	      var result = nativeObjectToString.call(value);
+	      if (unmasked) {
+	        if (isOwn) {
+	          value[symToStringTag] = tag;
+	        } else {
+	          delete value[symToStringTag];
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Creates an array of the own enumerable symbols of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of symbols.
+	     */
+	    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+	      if (object == null) {
+	        return [];
+	      }
+	      object = Object(object);
+	      return arrayFilter(nativeGetSymbols(object), function(symbol) {
+	        return propertyIsEnumerable.call(object, symbol);
+	      });
+	    };
+	
+	    /**
+	     * Creates an array of the own and inherited enumerable symbols of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of symbols.
+	     */
+	    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
+	      var result = [];
+	      while (object) {
+	        arrayPush(result, getSymbols(object));
+	        object = getPrototype(object);
+	      }
+	      return result;
+	    };
+	
+	    /**
+	     * Gets the `toStringTag` of `value`.
+	     *
+	     * @private
+	     * @param {*} value The value to query.
+	     * @returns {string} Returns the `toStringTag`.
+	     */
+	    var getTag = baseGetTag;
+	
+	    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
+	    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
+	        (Map && getTag(new Map) != mapTag) ||
+	        (Promise && getTag(Promise.resolve()) != promiseTag) ||
+	        (Set && getTag(new Set) != setTag) ||
+	        (WeakMap && getTag(new WeakMap) != weakMapTag)) {
+	      getTag = function(value) {
+	        var result = baseGetTag(value),
+	            Ctor = result == objectTag ? value.constructor : undefined,
+	            ctorString = Ctor ? toSource(Ctor) : '';
+	
+	        if (ctorString) {
+	          switch (ctorString) {
+	            case dataViewCtorString: return dataViewTag;
+	            case mapCtorString: return mapTag;
+	            case promiseCtorString: return promiseTag;
+	            case setCtorString: return setTag;
+	            case weakMapCtorString: return weakMapTag;
+	          }
+	        }
+	        return result;
+	      };
+	    }
+	
+	    /**
+	     * Gets the view, applying any `transforms` to the `start` and `end` positions.
+	     *
+	     * @private
+	     * @param {number} start The start of the view.
+	     * @param {number} end The end of the view.
+	     * @param {Array} transforms The transformations to apply to the view.
+	     * @returns {Object} Returns an object containing the `start` and `end`
+	     *  positions of the view.
+	     */
+	    function getView(start, end, transforms) {
+	      var index = -1,
+	          length = transforms.length;
+	
+	      while (++index < length) {
+	        var data = transforms[index],
+	            size = data.size;
+	
+	        switch (data.type) {
+	          case 'drop':      start += size; break;
+	          case 'dropRight': end -= size; break;
+	          case 'take':      end = nativeMin(end, start + size); break;
+	          case 'takeRight': start = nativeMax(start, end - size); break;
+	        }
+	      }
+	      return { 'start': start, 'end': end };
+	    }
+	
+	    /**
+	     * Extracts wrapper details from the `source` body comment.
+	     *
+	     * @private
+	     * @param {string} source The source to inspect.
+	     * @returns {Array} Returns the wrapper details.
+	     */
+	    function getWrapDetails(source) {
+	      var match = source.match(reWrapDetails);
+	      return match ? match[1].split(reSplitDetails) : [];
+	    }
+	
+	    /**
+	     * Checks if `path` exists on `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path to check.
+	     * @param {Function} hasFunc The function to check properties.
+	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	     */
+	    function hasPath(object, path, hasFunc) {
+	      path = castPath(path, object);
+	
+	      var index = -1,
+	          length = path.length,
+	          result = false;
+	
+	      while (++index < length) {
+	        var key = toKey(path[index]);
+	        if (!(result = object != null && hasFunc(object, key))) {
+	          break;
+	        }
+	        object = object[key];
+	      }
+	      if (result || ++index != length) {
+	        return result;
+	      }
+	      length = object == null ? 0 : object.length;
+	      return !!length && isLength(length) && isIndex(key, length) &&
+	        (isArray(object) || isArguments(object));
+	    }
+	
+	    /**
+	     * Initializes an array clone.
+	     *
+	     * @private
+	     * @param {Array} array The array to clone.
+	     * @returns {Array} Returns the initialized clone.
+	     */
+	    function initCloneArray(array) {
+	      var length = array.length,
+	          result = array.constructor(length);
+	
+	      // Add properties assigned by `RegExp#exec`.
+	      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
+	        result.index = array.index;
+	        result.input = array.input;
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Initializes an object clone.
+	     *
+	     * @private
+	     * @param {Object} object The object to clone.
+	     * @returns {Object} Returns the initialized clone.
+	     */
+	    function initCloneObject(object) {
+	      return (typeof object.constructor == 'function' && !isPrototype(object))
+	        ? baseCreate(getPrototype(object))
+	        : {};
+	    }
+	
+	    /**
+	     * Initializes an object clone based on its `toStringTag`.
+	     *
+	     * **Note:** This function only supports cloning values with tags of
+	     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+	     *
+	     * @private
+	     * @param {Object} object The object to clone.
+	     * @param {string} tag The `toStringTag` of the object to clone.
+	     * @param {Function} cloneFunc The function to clone values.
+	     * @param {boolean} [isDeep] Specify a deep clone.
+	     * @returns {Object} Returns the initialized clone.
+	     */
+	    function initCloneByTag(object, tag, cloneFunc, isDeep) {
+	      var Ctor = object.constructor;
+	      switch (tag) {
+	        case arrayBufferTag:
+	          return cloneArrayBuffer(object);
+	
+	        case boolTag:
+	        case dateTag:
+	          return new Ctor(+object);
+	
+	        case dataViewTag:
+	          return cloneDataView(object, isDeep);
+	
+	        case float32Tag: case float64Tag:
+	        case int8Tag: case int16Tag: case int32Tag:
+	        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
+	          return cloneTypedArray(object, isDeep);
+	
+	        case mapTag:
+	          return cloneMap(object, isDeep, cloneFunc);
+	
+	        case numberTag:
+	        case stringTag:
+	          return new Ctor(object);
+	
+	        case regexpTag:
+	          return cloneRegExp(object);
+	
+	        case setTag:
+	          return cloneSet(object, isDeep, cloneFunc);
+	
+	        case symbolTag:
+	          return cloneSymbol(object);
+	      }
+	    }
+	
+	    /**
+	     * Inserts wrapper `details` in a comment at the top of the `source` body.
+	     *
+	     * @private
+	     * @param {string} source The source to modify.
+	     * @returns {Array} details The details to insert.
+	     * @returns {string} Returns the modified source.
+	     */
+	    function insertWrapDetails(source, details) {
+	      var length = details.length;
+	      if (!length) {
+	        return source;
+	      }
+	      var lastIndex = length - 1;
+	      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];
+	      details = details.join(length > 2 ? ', ' : ' ');
+	      return source.replace(reWrapComment, '{\n/* [wrapped with ' + details + '] */\n');
+	    }
+	
+	    /**
+	     * Checks if `value` is a flattenable `arguments` object or array.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
+	     */
+	    function isFlattenable(value) {
+	      return isArray(value) || isArguments(value) ||
+	        !!(spreadableSymbol && value && value[spreadableSymbol]);
+	    }
+	
+	    /**
+	     * Checks if `value` is a valid array-like index.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
+	     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
+	     */
+	    function isIndex(value, length) {
+	      length = length == null ? MAX_SAFE_INTEGER : length;
+	      return !!length &&
+	        (typeof value == 'number' || reIsUint.test(value)) &&
+	        (value > -1 && value % 1 == 0 && value < length);
+	    }
+	
+	    /**
+	     * Checks if the given arguments are from an iteratee call.
+	     *
+	     * @private
+	     * @param {*} value The potential iteratee value argument.
+	     * @param {*} index The potential iteratee index or key argument.
+	     * @param {*} object The potential iteratee object argument.
+	     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
+	     *  else `false`.
+	     */
+	    function isIterateeCall(value, index, object) {
+	      if (!isObject(object)) {
+	        return false;
+	      }
+	      var type = typeof index;
+	      if (type == 'number'
+	            ? (isArrayLike(object) && isIndex(index, object.length))
+	            : (type == 'string' && index in object)
+	          ) {
+	        return eq(object[index], value);
+	      }
+	      return false;
+	    }
+	
+	    /**
+	     * Checks if `value` is a property name and not a property path.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @param {Object} [object] The object to query keys on.
+	     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
+	     */
+	    function isKey(value, object) {
+	      if (isArray(value)) {
+	        return false;
+	      }
+	      var type = typeof value;
+	      if (type == 'number' || type == 'symbol' || type == 'boolean' ||
+	          value == null || isSymbol(value)) {
+	        return true;
+	      }
+	      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
+	        (object != null && value in Object(object));
+	    }
+	
+	    /**
+	     * Checks if `value` is suitable for use as unique object key.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
+	     */
+	    function isKeyable(value) {
+	      var type = typeof value;
+	      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
+	        ? (value !== '__proto__')
+	        : (value === null);
+	    }
+	
+	    /**
+	     * Checks if `func` has a lazy counterpart.
+	     *
+	     * @private
+	     * @param {Function} func The function to check.
+	     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
+	     *  else `false`.
+	     */
+	    function isLaziable(func) {
+	      var funcName = getFuncName(func),
+	          other = lodash[funcName];
+	
+	      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
+	        return false;
+	      }
+	      if (func === other) {
+	        return true;
+	      }
+	      var data = getData(other);
+	      return !!data && func === data[0];
+	    }
+	
+	    /**
+	     * Checks if `func` has its source masked.
+	     *
+	     * @private
+	     * @param {Function} func The function to check.
+	     * @returns {boolean} Returns `true` if `func` is masked, else `false`.
+	     */
+	    function isMasked(func) {
+	      return !!maskSrcKey && (maskSrcKey in func);
+	    }
+	
+	    /**
+	     * Checks if `func` is capable of being masked.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
+	     */
+	    var isMaskable = coreJsData ? isFunction : stubFalse;
+	
+	    /**
+	     * Checks if `value` is likely a prototype object.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
+	     */
+	    function isPrototype(value) {
+	      var Ctor = value && value.constructor,
+	          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+	
+	      return value === proto;
+	    }
+	
+	    /**
+	     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
+	     *
+	     * @private
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` if suitable for strict
+	     *  equality comparisons, else `false`.
+	     */
+	    function isStrictComparable(value) {
+	      return value === value && !isObject(value);
+	    }
+	
+	    /**
+	     * A specialized version of `matchesProperty` for source values suitable
+	     * for strict equality comparisons, i.e. `===`.
+	     *
+	     * @private
+	     * @param {string} key The key of the property to get.
+	     * @param {*} srcValue The value to match.
+	     * @returns {Function} Returns the new spec function.
+	     */
+	    function matchesStrictComparable(key, srcValue) {
+	      return function(object) {
+	        if (object == null) {
+	          return false;
+	        }
+	        return object[key] === srcValue &&
+	          (srcValue !== undefined || (key in Object(object)));
+	      };
+	    }
+	
+	    /**
+	     * A specialized version of `_.memoize` which clears the memoized function's
+	     * cache when it exceeds `MAX_MEMOIZE_SIZE`.
+	     *
+	     * @private
+	     * @param {Function} func The function to have its output memoized.
+	     * @returns {Function} Returns the new memoized function.
+	     */
+	    function memoizeCapped(func) {
+	      var result = memoize(func, function(key) {
+	        if (cache.size === MAX_MEMOIZE_SIZE) {
+	          cache.clear();
+	        }
+	        return key;
+	      });
+	
+	      var cache = result.cache;
+	      return result;
+	    }
+	
+	    /**
+	     * Merges the function metadata of `source` into `data`.
+	     *
+	     * Merging metadata reduces the number of wrappers used to invoke a function.
+	     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
+	     * may be applied regardless of execution order. Methods like `_.ary` and
+	     * `_.rearg` modify function arguments, making the order in which they are
+	     * executed important, preventing the merging of metadata. However, we make
+	     * an exception for a safe combined case where curried functions have `_.ary`
+	     * and or `_.rearg` applied.
+	     *
+	     * @private
+	     * @param {Array} data The destination metadata.
+	     * @param {Array} source The source metadata.
+	     * @returns {Array} Returns `data`.
+	     */
+	    function mergeData(data, source) {
+	      var bitmask = data[1],
+	          srcBitmask = source[1],
+	          newBitmask = bitmask | srcBitmask,
+	          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+	
+	      var isCombo =
+	        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||
+	        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||
+	        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));
+	
+	      // Exit early if metadata can't be merged.
+	      if (!(isCommon || isCombo)) {
+	        return data;
+	      }
+	      // Use source `thisArg` if available.
+	      if (srcBitmask & WRAP_BIND_FLAG) {
+	        data[2] = source[2];
+	        // Set when currying a bound function.
+	        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+	      }
+	      // Compose partial arguments.
+	      var value = source[3];
+	      if (value) {
+	        var partials = data[3];
+	        data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+	        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+	      }
+	      // Compose partial right arguments.
+	      value = source[5];
+	      if (value) {
+	        partials = data[5];
+	        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+	        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+	      }
+	      // Use source `argPos` if available.
+	      value = source[7];
+	      if (value) {
+	        data[7] = value;
+	      }
+	      // Use source `ary` if it's smaller.
+	      if (srcBitmask & WRAP_ARY_FLAG) {
+	        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+	      }
+	      // Use source `arity` if one is not provided.
+	      if (data[9] == null) {
+	        data[9] = source[9];
+	      }
+	      // Use source `func` and merge bitmasks.
+	      data[0] = source[0];
+	      data[1] = newBitmask;
+	
+	      return data;
+	    }
+	
+	    /**
+	     * This function is like
+	     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	     * except that it includes inherited enumerable properties.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names.
+	     */
+	    function nativeKeysIn(object) {
+	      var result = [];
+	      if (object != null) {
+	        for (var key in Object(object)) {
+	          result.push(key);
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Converts `value` to a string using `Object.prototype.toString`.
+	     *
+	     * @private
+	     * @param {*} value The value to convert.
+	     * @returns {string} Returns the converted string.
+	     */
+	    function objectToString(value) {
+	      return nativeObjectToString.call(value);
+	    }
+	
+	    /**
+	     * A specialized version of `baseRest` which transforms the rest array.
+	     *
+	     * @private
+	     * @param {Function} func The function to apply a rest parameter to.
+	     * @param {number} [start=func.length-1] The start position of the rest parameter.
+	     * @param {Function} transform The rest array transform.
+	     * @returns {Function} Returns the new function.
+	     */
+	    function overRest(func, start, transform) {
+	      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
+	      return function() {
+	        var args = arguments,
+	            index = -1,
+	            length = nativeMax(args.length - start, 0),
+	            array = Array(length);
+	
+	        while (++index < length) {
+	          array[index] = args[start + index];
+	        }
+	        index = -1;
+	        var otherArgs = Array(start + 1);
+	        while (++index < start) {
+	          otherArgs[index] = args[index];
+	        }
+	        otherArgs[start] = transform(array);
+	        return apply(func, this, otherArgs);
+	      };
+	    }
+	
+	    /**
+	     * Gets the parent value at `path` of `object`.
+	     *
+	     * @private
+	     * @param {Object} object The object to query.
+	     * @param {Array} path The path to get the parent value of.
+	     * @returns {*} Returns the parent value.
+	     */
+	    function parent(object, path) {
+	      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+	    }
+	
+	    /**
+	     * Reorder `array` according to the specified indexes where the element at
+	     * the first index is assigned as the first element, the element at
+	     * the second index is assigned as the second element, and so on.
+	     *
+	     * @private
+	     * @param {Array} array The array to reorder.
+	     * @param {Array} indexes The arranged array indexes.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function reorder(array, indexes) {
+	      var arrLength = array.length,
+	          length = nativeMin(indexes.length, arrLength),
+	          oldArray = copyArray(array);
+	
+	      while (length--) {
+	        var index = indexes[length];
+	        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+	      }
+	      return array;
+	    }
+	
+	    /**
+	     * Sets metadata for `func`.
+	     *
+	     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
+	     * period of time, it will trip its breaker and transition to an identity
+	     * function to avoid garbage collection pauses in V8. See
+	     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
+	     * for more details.
+	     *
+	     * @private
+	     * @param {Function} func The function to associate metadata with.
+	     * @param {*} data The metadata.
+	     * @returns {Function} Returns `func`.
+	     */
+	    var setData = shortOut(baseSetData);
+	
+	    /**
+	     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
+	     *
+	     * @private
+	     * @param {Function} func The function to delay.
+	     * @param {number} wait The number of milliseconds to delay invocation.
+	     * @returns {number|Object} Returns the timer id or timeout object.
+	     */
+	    var setTimeout = ctxSetTimeout || function(func, wait) {
+	      return root.setTimeout(func, wait);
+	    };
+	
+	    /**
+	     * Sets the `toString` method of `func` to return `string`.
+	     *
+	     * @private
+	     * @param {Function} func The function to modify.
+	     * @param {Function} string The `toString` result.
+	     * @returns {Function} Returns `func`.
+	     */
+	    var setToString = shortOut(baseSetToString);
+	
+	    /**
+	     * Sets the `toString` method of `wrapper` to mimic the source of `reference`
+	     * with wrapper details in a comment at the top of the source body.
+	     *
+	     * @private
+	     * @param {Function} wrapper The function to modify.
+	     * @param {Function} reference The reference function.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @returns {Function} Returns `wrapper`.
+	     */
+	    function setWrapToString(wrapper, reference, bitmask) {
+	      var source = (reference + '');
+	      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+	    }
+	
+	    /**
+	     * Creates a function that'll short out and invoke `identity` instead
+	     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
+	     * milliseconds.
+	     *
+	     * @private
+	     * @param {Function} func The function to restrict.
+	     * @returns {Function} Returns the new shortable function.
+	     */
+	    function shortOut(func) {
+	      var count = 0,
+	          lastCalled = 0;
+	
+	      return function() {
+	        var stamp = nativeNow(),
+	            remaining = HOT_SPAN - (stamp - lastCalled);
+	
+	        lastCalled = stamp;
+	        if (remaining > 0) {
+	          if (++count >= HOT_COUNT) {
+	            return arguments[0];
+	          }
+	        } else {
+	          count = 0;
+	        }
+	        return func.apply(undefined, arguments);
+	      };
+	    }
+	
+	    /**
+	     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
+	     *
+	     * @private
+	     * @param {Array} array The array to shuffle.
+	     * @param {number} [size=array.length] The size of `array`.
+	     * @returns {Array} Returns `array`.
+	     */
+	    function shuffleSelf(array, size) {
+	      var index = -1,
+	          length = array.length,
+	          lastIndex = length - 1;
+	
+	      size = size === undefined ? length : size;
+	      while (++index < size) {
+	        var rand = baseRandom(index, lastIndex),
+	            value = array[rand];
+	
+	        array[rand] = array[index];
+	        array[index] = value;
+	      }
+	      array.length = size;
+	      return array;
+	    }
+	
+	    /**
+	     * Converts `string` to a property path array.
+	     *
+	     * @private
+	     * @param {string} string The string to convert.
+	     * @returns {Array} Returns the property path array.
+	     */
+	    var stringToPath = memoizeCapped(function(string) {
+	      var result = [];
+	      if (reLeadingDot.test(string)) {
+	        result.push('');
+	      }
+	      string.replace(rePropName, function(match, number, quote, string) {
+	        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
+	      });
+	      return result;
+	    });
+	
+	    /**
+	     * Converts `value` to a string key if it's not a string or symbol.
+	     *
+	     * @private
+	     * @param {*} value The value to inspect.
+	     * @returns {string|symbol} Returns the key.
+	     */
+	    function toKey(value) {
+	      if (typeof value == 'string' || isSymbol(value)) {
+	        return value;
+	      }
+	      var result = (value + '');
+	      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
+	    }
+	
+	    /**
+	     * Converts `func` to its source code.
+	     *
+	     * @private
+	     * @param {Function} func The function to convert.
+	     * @returns {string} Returns the source code.
+	     */
+	    function toSource(func) {
+	      if (func != null) {
+	        try {
+	          return funcToString.call(func);
+	        } catch (e) {}
+	        try {
+	          return (func + '');
+	        } catch (e) {}
+	      }
+	      return '';
+	    }
+	
+	    /**
+	     * Updates wrapper `details` based on `bitmask` flags.
+	     *
+	     * @private
+	     * @returns {Array} details The details to modify.
+	     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
+	     * @returns {Array} Returns `details`.
+	     */
+	    function updateWrapDetails(details, bitmask) {
+	      arrayEach(wrapFlags, function(pair) {
+	        var value = '_.' + pair[0];
+	        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
+	          details.push(value);
+	        }
+	      });
+	      return details.sort();
+	    }
+	
+	    /**
+	     * Creates a clone of `wrapper`.
+	     *
+	     * @private
+	     * @param {Object} wrapper The wrapper to clone.
+	     * @returns {Object} Returns the cloned wrapper.
+	     */
+	    function wrapperClone(wrapper) {
+	      if (wrapper instanceof LazyWrapper) {
+	        return wrapper.clone();
+	      }
+	      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+	      result.__actions__ = copyArray(wrapper.__actions__);
+	      result.__index__  = wrapper.__index__;
+	      result.__values__ = wrapper.__values__;
+	      return result;
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates an array of elements split into groups the length of `size`.
+	     * If `array` can't be split evenly, the final chunk will be the remaining
+	     * elements.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to process.
+	     * @param {number} [size=1] The length of each chunk
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the new array of chunks.
+	     * @example
+	     *
+	     * _.chunk(['a', 'b', 'c', 'd'], 2);
+	     * // => [['a', 'b'], ['c', 'd']]
+	     *
+	     * _.chunk(['a', 'b', 'c', 'd'], 3);
+	     * // => [['a', 'b', 'c'], ['d']]
+	     */
+	    function chunk(array, size, guard) {
+	      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
+	        size = 1;
+	      } else {
+	        size = nativeMax(toInteger(size), 0);
+	      }
+	      var length = array == null ? 0 : array.length;
+	      if (!length || size < 1) {
+	        return [];
+	      }
+	      var index = 0,
+	          resIndex = 0,
+	          result = Array(nativeCeil(length / size));
+	
+	      while (index < length) {
+	        result[resIndex++] = baseSlice(array, index, (index += size));
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Creates an array with all falsey values removed. The values `false`, `null`,
+	     * `0`, `""`, `undefined`, and `NaN` are falsey.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to compact.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @example
+	     *
+	     * _.compact([0, 1, false, 2, '', 3]);
+	     * // => [1, 2, 3]
+	     */
+	    function compact(array) {
+	      var index = -1,
+	          length = array == null ? 0 : array.length,
+	          resIndex = 0,
+	          result = [];
+	
+	      while (++index < length) {
+	        var value = array[index];
+	        if (value) {
+	          result[resIndex++] = value;
+	        }
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Creates a new array concatenating `array` with any additional arrays
+	     * and/or values.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to concatenate.
+	     * @param {...*} [values] The values to concatenate.
+	     * @returns {Array} Returns the new concatenated array.
+	     * @example
+	     *
+	     * var array = [1];
+	     * var other = _.concat(array, 2, [3], [[4]]);
+	     *
+	     * console.log(other);
+	     * // => [1, 2, 3, [4]]
+	     *
+	     * console.log(array);
+	     * // => [1]
+	     */
+	    function concat() {
+	      var length = arguments.length;
+	      if (!length) {
+	        return [];
+	      }
+	      var args = Array(length - 1),
+	          array = arguments[0],
+	          index = length;
+	
+	      while (index--) {
+	        args[index - 1] = arguments[index];
+	      }
+	      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+	    }
+	
+	    /**
+	     * Creates an array of `array` values not included in the other given arrays
+	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons. The order and references of result values are
+	     * determined by the first array.
+	     *
+	     * **Note:** Unlike `_.pullAll`, this method returns a new array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {...Array} [values] The values to exclude.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @see _.without, _.xor
+	     * @example
+	     *
+	     * _.difference([2, 1], [2, 3]);
+	     * // => [1]
+	     */
+	    var difference = baseRest(function(array, values) {
+	      return isArrayLikeObject(array)
+	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
+	        : [];
+	    });
+	
+	    /**
+	     * This method is like `_.difference` except that it accepts `iteratee` which
+	     * is invoked for each element of `array` and `values` to generate the criterion
+	     * by which they're compared. The order and references of result values are
+	     * determined by the first array. The iteratee is invoked with one argument:
+	     * (value).
+	     *
+	     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {...Array} [values] The values to exclude.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @example
+	     *
+	     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+	     * // => [1.2]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
+	     * // => [{ 'x': 2 }]
+	     */
+	    var differenceBy = baseRest(function(array, values) {
+	      var iteratee = last(values);
+	      if (isArrayLikeObject(iteratee)) {
+	        iteratee = undefined;
+	      }
+	      return isArrayLikeObject(array)
+	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
+	        : [];
+	    });
+	
+	    /**
+	     * This method is like `_.difference` except that it accepts `comparator`
+	     * which is invoked to compare elements of `array` to `values`. The order and
+	     * references of result values are determined by the first array. The comparator
+	     * is invoked with two arguments: (arrVal, othVal).
+	     *
+	     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {...Array} [values] The values to exclude.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+	     *
+	     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
+	     * // => [{ 'x': 2, 'y': 1 }]
+	     */
+	    var differenceWith = baseRest(function(array, values) {
+	      var comparator = last(values);
+	      if (isArrayLikeObject(comparator)) {
+	        comparator = undefined;
+	      }
+	      return isArrayLikeObject(array)
+	        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
+	        : [];
+	    });
+	
+	    /**
+	     * Creates a slice of `array` with `n` elements dropped from the beginning.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.5.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {number} [n=1] The number of elements to drop.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.drop([1, 2, 3]);
+	     * // => [2, 3]
+	     *
+	     * _.drop([1, 2, 3], 2);
+	     * // => [3]
+	     *
+	     * _.drop([1, 2, 3], 5);
+	     * // => []
+	     *
+	     * _.drop([1, 2, 3], 0);
+	     * // => [1, 2, 3]
+	     */
+	    function drop(array, n, guard) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      n = (guard || n === undefined) ? 1 : toInteger(n);
+	      return baseSlice(array, n < 0 ? 0 : n, length);
+	    }
+	
+	    /**
+	     * Creates a slice of `array` with `n` elements dropped from the end.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {number} [n=1] The number of elements to drop.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.dropRight([1, 2, 3]);
+	     * // => [1, 2]
+	     *
+	     * _.dropRight([1, 2, 3], 2);
+	     * // => [1]
+	     *
+	     * _.dropRight([1, 2, 3], 5);
+	     * // => []
+	     *
+	     * _.dropRight([1, 2, 3], 0);
+	     * // => [1, 2, 3]
+	     */
+	    function dropRight(array, n, guard) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      n = (guard || n === undefined) ? 1 : toInteger(n);
+	      n = length - n;
+	      return baseSlice(array, 0, n < 0 ? 0 : n);
+	    }
+	
+	    /**
+	     * Creates a slice of `array` excluding elements dropped from the end.
+	     * Elements are dropped until `predicate` returns falsey. The predicate is
+	     * invoked with three arguments: (value, index, array).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': true },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': false }
+	     * ];
+	     *
+	     * _.dropRightWhile(users, function(o) { return !o.active; });
+	     * // => objects for ['barney']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
+	     * // => objects for ['barney', 'fred']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.dropRightWhile(users, ['active', false]);
+	     * // => objects for ['barney']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.dropRightWhile(users, 'active');
+	     * // => objects for ['barney', 'fred', 'pebbles']
+	     */
+	    function dropRightWhile(array, predicate) {
+	      return (array && array.length)
+	        ? baseWhile(array, getIteratee(predicate, 3), true, true)
+	        : [];
+	    }
+	
+	    /**
+	     * Creates a slice of `array` excluding elements dropped from the beginning.
+	     * Elements are dropped until `predicate` returns falsey. The predicate is
+	     * invoked with three arguments: (value, index, array).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': false },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': true }
+	     * ];
+	     *
+	     * _.dropWhile(users, function(o) { return !o.active; });
+	     * // => objects for ['pebbles']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.dropWhile(users, { 'user': 'barney', 'active': false });
+	     * // => objects for ['fred', 'pebbles']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.dropWhile(users, ['active', false]);
+	     * // => objects for ['pebbles']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.dropWhile(users, 'active');
+	     * // => objects for ['barney', 'fred', 'pebbles']
+	     */
+	    function dropWhile(array, predicate) {
+	      return (array && array.length)
+	        ? baseWhile(array, getIteratee(predicate, 3), true)
+	        : [];
+	    }
+	
+	    /**
+	     * Fills elements of `array` with `value` from `start` up to, but not
+	     * including, `end`.
+	     *
+	     * **Note:** This method mutates `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.2.0
+	     * @category Array
+	     * @param {Array} array The array to fill.
+	     * @param {*} value The value to fill `array` with.
+	     * @param {number} [start=0] The start position.
+	     * @param {number} [end=array.length] The end position.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = [1, 2, 3];
+	     *
+	     * _.fill(array, 'a');
+	     * console.log(array);
+	     * // => ['a', 'a', 'a']
+	     *
+	     * _.fill(Array(3), 2);
+	     * // => [2, 2, 2]
+	     *
+	     * _.fill([4, 6, 8, 10], '*', 1, 3);
+	     * // => [4, '*', '*', 10]
+	     */
+	    function fill(array, value, start, end) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
+	        start = 0;
+	        end = length;
+	      }
+	      return baseFill(array, value, start, end);
+	    }
+	
+	    /**
+	     * This method is like `_.find` except that it returns the index of the first
+	     * element `predicate` returns truthy for instead of the element itself.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param {number} [fromIndex=0] The index to search from.
+	     * @returns {number} Returns the index of the found element, else `-1`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': false },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': true }
+	     * ];
+	     *
+	     * _.findIndex(users, function(o) { return o.user == 'barney'; });
+	     * // => 0
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.findIndex(users, { 'user': 'fred', 'active': false });
+	     * // => 1
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.findIndex(users, ['active', false]);
+	     * // => 0
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.findIndex(users, 'active');
+	     * // => 2
+	     */
+	    function findIndex(array, predicate, fromIndex) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return -1;
+	      }
+	      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+	      if (index < 0) {
+	        index = nativeMax(length + index, 0);
+	      }
+	      return baseFindIndex(array, getIteratee(predicate, 3), index);
+	    }
+	
+	    /**
+	     * This method is like `_.findIndex` except that it iterates over elements
+	     * of `collection` from right to left.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param {number} [fromIndex=array.length-1] The index to search from.
+	     * @returns {number} Returns the index of the found element, else `-1`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': true },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': false }
+	     * ];
+	     *
+	     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
+	     * // => 2
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.findLastIndex(users, { 'user': 'barney', 'active': true });
+	     * // => 0
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.findLastIndex(users, ['active', false]);
+	     * // => 2
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.findLastIndex(users, 'active');
+	     * // => 0
+	     */
+	    function findLastIndex(array, predicate, fromIndex) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return -1;
+	      }
+	      var index = length - 1;
+	      if (fromIndex !== undefined) {
+	        index = toInteger(fromIndex);
+	        index = fromIndex < 0
+	          ? nativeMax(length + index, 0)
+	          : nativeMin(index, length - 1);
+	      }
+	      return baseFindIndex(array, getIteratee(predicate, 3), index, true);
+	    }
+	
+	    /**
+	     * Flattens `array` a single level deep.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to flatten.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * _.flatten([1, [2, [3, [4]], 5]]);
+	     * // => [1, 2, [3, [4]], 5]
+	     */
+	    function flatten(array) {
+	      var length = array == null ? 0 : array.length;
+	      return length ? baseFlatten(array, 1) : [];
+	    }
+	
+	    /**
+	     * Recursively flattens `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to flatten.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * _.flattenDeep([1, [2, [3, [4]], 5]]);
+	     * // => [1, 2, 3, 4, 5]
+	     */
+	    function flattenDeep(array) {
+	      var length = array == null ? 0 : array.length;
+	      return length ? baseFlatten(array, INFINITY) : [];
+	    }
+	
+	    /**
+	     * Recursively flatten `array` up to `depth` times.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.4.0
+	     * @category Array
+	     * @param {Array} array The array to flatten.
+	     * @param {number} [depth=1] The maximum recursion depth.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * var array = [1, [2, [3, [4]], 5]];
+	     *
+	     * _.flattenDepth(array, 1);
+	     * // => [1, 2, [3, [4]], 5]
+	     *
+	     * _.flattenDepth(array, 2);
+	     * // => [1, 2, 3, [4], 5]
+	     */
+	    function flattenDepth(array, depth) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      depth = depth === undefined ? 1 : toInteger(depth);
+	      return baseFlatten(array, depth);
+	    }
+	
+	    /**
+	     * The inverse of `_.toPairs`; this method returns an object composed
+	     * from key-value `pairs`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} pairs The key-value pairs.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * _.fromPairs([['a', 1], ['b', 2]]);
+	     * // => { 'a': 1, 'b': 2 }
+	     */
+	    function fromPairs(pairs) {
+	      var index = -1,
+	          length = pairs == null ? 0 : pairs.length,
+	          result = {};
+	
+	      while (++index < length) {
+	        var pair = pairs[index];
+	        result[pair[0]] = pair[1];
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Gets the first element of `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @alias first
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @returns {*} Returns the first element of `array`.
+	     * @example
+	     *
+	     * _.head([1, 2, 3]);
+	     * // => 1
+	     *
+	     * _.head([]);
+	     * // => undefined
+	     */
+	    function head(array) {
+	      return (array && array.length) ? array[0] : undefined;
+	    }
+	
+	    /**
+	     * Gets the index at which the first occurrence of `value` is found in `array`
+	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons. If `fromIndex` is negative, it's used as the
+	     * offset from the end of `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {*} value The value to search for.
+	     * @param {number} [fromIndex=0] The index to search from.
+	     * @returns {number} Returns the index of the matched value, else `-1`.
+	     * @example
+	     *
+	     * _.indexOf([1, 2, 1, 2], 2);
+	     * // => 1
+	     *
+	     * // Search from the `fromIndex`.
+	     * _.indexOf([1, 2, 1, 2], 2, 2);
+	     * // => 3
+	     */
+	    function indexOf(array, value, fromIndex) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return -1;
+	      }
+	      var index = fromIndex == null ? 0 : toInteger(fromIndex);
+	      if (index < 0) {
+	        index = nativeMax(length + index, 0);
+	      }
+	      return baseIndexOf(array, value, index);
+	    }
+	
+	    /**
+	     * Gets all but the last element of `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.initial([1, 2, 3]);
+	     * // => [1, 2]
+	     */
+	    function initial(array) {
+	      var length = array == null ? 0 : array.length;
+	      return length ? baseSlice(array, 0, -1) : [];
+	    }
+	
+	    /**
+	     * Creates an array of unique values that are included in all given arrays
+	     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons. The order and references of result values are
+	     * determined by the first array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @returns {Array} Returns the new array of intersecting values.
+	     * @example
+	     *
+	     * _.intersection([2, 1], [2, 3]);
+	     * // => [2]
+	     */
+	    var intersection = baseRest(function(arrays) {
+	      var mapped = arrayMap(arrays, castArrayLikeObject);
+	      return (mapped.length && mapped[0] === arrays[0])
+	        ? baseIntersection(mapped)
+	        : [];
+	    });
+	
+	    /**
+	     * This method is like `_.intersection` except that it accepts `iteratee`
+	     * which is invoked for each element of each `arrays` to generate the criterion
+	     * by which they're compared. The order and references of result values are
+	     * determined by the first array. The iteratee is invoked with one argument:
+	     * (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns the new array of intersecting values.
+	     * @example
+	     *
+	     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+	     * // => [2.1]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+	     * // => [{ 'x': 1 }]
+	     */
+	    var intersectionBy = baseRest(function(arrays) {
+	      var iteratee = last(arrays),
+	          mapped = arrayMap(arrays, castArrayLikeObject);
+	
+	      if (iteratee === last(mapped)) {
+	        iteratee = undefined;
+	      } else {
+	        mapped.pop();
+	      }
+	      return (mapped.length && mapped[0] === arrays[0])
+	        ? baseIntersection(mapped, getIteratee(iteratee, 2))
+	        : [];
+	    });
+	
+	    /**
+	     * This method is like `_.intersection` except that it accepts `comparator`
+	     * which is invoked to compare elements of `arrays`. The order and references
+	     * of result values are determined by the first array. The comparator is
+	     * invoked with two arguments: (arrVal, othVal).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of intersecting values.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+	     *
+	     * _.intersectionWith(objects, others, _.isEqual);
+	     * // => [{ 'x': 1, 'y': 2 }]
+	     */
+	    var intersectionWith = baseRest(function(arrays) {
+	      var comparator = last(arrays),
+	          mapped = arrayMap(arrays, castArrayLikeObject);
+	
+	      comparator = typeof comparator == 'function' ? comparator : undefined;
+	      if (comparator) {
+	        mapped.pop();
+	      }
+	      return (mapped.length && mapped[0] === arrays[0])
+	        ? baseIntersection(mapped, undefined, comparator)
+	        : [];
+	    });
+	
+	    /**
+	     * Converts all elements in `array` into a string separated by `separator`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to convert.
+	     * @param {string} [separator=','] The element separator.
+	     * @returns {string} Returns the joined string.
+	     * @example
+	     *
+	     * _.join(['a', 'b', 'c'], '~');
+	     * // => 'a~b~c'
+	     */
+	    function join(array, separator) {
+	      return array == null ? '' : nativeJoin.call(array, separator);
+	    }
+	
+	    /**
+	     * Gets the last element of `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @returns {*} Returns the last element of `array`.
+	     * @example
+	     *
+	     * _.last([1, 2, 3]);
+	     * // => 3
+	     */
+	    function last(array) {
+	      var length = array == null ? 0 : array.length;
+	      return length ? array[length - 1] : undefined;
+	    }
+	
+	    /**
+	     * This method is like `_.indexOf` except that it iterates over elements of
+	     * `array` from right to left.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {*} value The value to search for.
+	     * @param {number} [fromIndex=array.length-1] The index to search from.
+	     * @returns {number} Returns the index of the matched value, else `-1`.
+	     * @example
+	     *
+	     * _.lastIndexOf([1, 2, 1, 2], 2);
+	     * // => 3
+	     *
+	     * // Search from the `fromIndex`.
+	     * _.lastIndexOf([1, 2, 1, 2], 2, 2);
+	     * // => 1
+	     */
+	    function lastIndexOf(array, value, fromIndex) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return -1;
+	      }
+	      var index = length;
+	      if (fromIndex !== undefined) {
+	        index = toInteger(fromIndex);
+	        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+	      }
+	      return value === value
+	        ? strictLastIndexOf(array, value, index)
+	        : baseFindIndex(array, baseIsNaN, index, true);
+	    }
+	
+	    /**
+	     * Gets the element at index `n` of `array`. If `n` is negative, the nth
+	     * element from the end is returned.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.11.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {number} [n=0] The index of the element to return.
+	     * @returns {*} Returns the nth element of `array`.
+	     * @example
+	     *
+	     * var array = ['a', 'b', 'c', 'd'];
+	     *
+	     * _.nth(array, 1);
+	     * // => 'b'
+	     *
+	     * _.nth(array, -2);
+	     * // => 'c';
+	     */
+	    function nth(array, n) {
+	      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+	    }
+	
+	    /**
+	     * Removes all given values from `array` using
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons.
+	     *
+	     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
+	     * to remove elements from an array by predicate.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {...*} [values] The values to remove.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+	     *
+	     * _.pull(array, 'a', 'c');
+	     * console.log(array);
+	     * // => ['b', 'b']
+	     */
+	    var pull = baseRest(pullAll);
+	
+	    /**
+	     * This method is like `_.pull` except that it accepts an array of values to remove.
+	     *
+	     * **Note:** Unlike `_.difference`, this method mutates `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {Array} values The values to remove.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
+	     *
+	     * _.pullAll(array, ['a', 'c']);
+	     * console.log(array);
+	     * // => ['b', 'b']
+	     */
+	    function pullAll(array, values) {
+	      return (array && array.length && values && values.length)
+	        ? basePullAll(array, values)
+	        : array;
+	    }
+	
+	    /**
+	     * This method is like `_.pullAll` except that it accepts `iteratee` which is
+	     * invoked for each element of `array` and `values` to generate the criterion
+	     * by which they're compared. The iteratee is invoked with one argument: (value).
+	     *
+	     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {Array} values The values to remove.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
+	     *
+	     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
+	     * console.log(array);
+	     * // => [{ 'x': 2 }]
+	     */
+	    function pullAllBy(array, values, iteratee) {
+	      return (array && array.length && values && values.length)
+	        ? basePullAll(array, values, getIteratee(iteratee, 2))
+	        : array;
+	    }
+	
+	    /**
+	     * This method is like `_.pullAll` except that it accepts `comparator` which
+	     * is invoked to compare elements of `array` to `values`. The comparator is
+	     * invoked with two arguments: (arrVal, othVal).
+	     *
+	     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.6.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {Array} values The values to remove.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
+	     *
+	     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
+	     * console.log(array);
+	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
+	     */
+	    function pullAllWith(array, values, comparator) {
+	      return (array && array.length && values && values.length)
+	        ? basePullAll(array, values, undefined, comparator)
+	        : array;
+	    }
+	
+	    /**
+	     * Removes elements from `array` corresponding to `indexes` and returns an
+	     * array of removed elements.
+	     *
+	     * **Note:** Unlike `_.at`, this method mutates `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {...(number|number[])} [indexes] The indexes of elements to remove.
+	     * @returns {Array} Returns the new array of removed elements.
+	     * @example
+	     *
+	     * var array = ['a', 'b', 'c', 'd'];
+	     * var pulled = _.pullAt(array, [1, 3]);
+	     *
+	     * console.log(array);
+	     * // => ['a', 'c']
+	     *
+	     * console.log(pulled);
+	     * // => ['b', 'd']
+	     */
+	    var pullAt = flatRest(function(array, indexes) {
+	      var length = array == null ? 0 : array.length,
+	          result = baseAt(array, indexes);
+	
+	      basePullAt(array, arrayMap(indexes, function(index) {
+	        return isIndex(index, length) ? +index : index;
+	      }).sort(compareAscending));
+	
+	      return result;
+	    });
+	
+	    /**
+	     * Removes all elements from `array` that `predicate` returns truthy for
+	     * and returns an array of the removed elements. The predicate is invoked
+	     * with three arguments: (value, index, array).
+	     *
+	     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
+	     * to pull elements from an array by value.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new array of removed elements.
+	     * @example
+	     *
+	     * var array = [1, 2, 3, 4];
+	     * var evens = _.remove(array, function(n) {
+	     *   return n % 2 == 0;
+	     * });
+	     *
+	     * console.log(array);
+	     * // => [1, 3]
+	     *
+	     * console.log(evens);
+	     * // => [2, 4]
+	     */
+	    function remove(array, predicate) {
+	      var result = [];
+	      if (!(array && array.length)) {
+	        return result;
+	      }
+	      var index = -1,
+	          indexes = [],
+	          length = array.length;
+	
+	      predicate = getIteratee(predicate, 3);
+	      while (++index < length) {
+	        var value = array[index];
+	        if (predicate(value, index, array)) {
+	          result.push(value);
+	          indexes.push(index);
+	        }
+	      }
+	      basePullAt(array, indexes);
+	      return result;
+	    }
+	
+	    /**
+	     * Reverses `array` so that the first element becomes the last, the second
+	     * element becomes the second to last, and so on.
+	     *
+	     * **Note:** This method mutates `array` and is based on
+	     * [`Array#reverse`](https://mdn.io/Array/reverse).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to modify.
+	     * @returns {Array} Returns `array`.
+	     * @example
+	     *
+	     * var array = [1, 2, 3];
+	     *
+	     * _.reverse(array);
+	     * // => [3, 2, 1]
+	     *
+	     * console.log(array);
+	     * // => [3, 2, 1]
+	     */
+	    function reverse(array) {
+	      return array == null ? array : nativeReverse.call(array);
+	    }
+	
+	    /**
+	     * Creates a slice of `array` from `start` up to, but not including, `end`.
+	     *
+	     * **Note:** This method is used instead of
+	     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
+	     * returned.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to slice.
+	     * @param {number} [start=0] The start position.
+	     * @param {number} [end=array.length] The end position.
+	     * @returns {Array} Returns the slice of `array`.
+	     */
+	    function slice(array, start, end) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
+	        start = 0;
+	        end = length;
+	      }
+	      else {
+	        start = start == null ? 0 : toInteger(start);
+	        end = end === undefined ? length : toInteger(end);
+	      }
+	      return baseSlice(array, start, end);
+	    }
+	
+	    /**
+	     * Uses a binary search to determine the lowest index at which `value`
+	     * should be inserted into `array` in order to maintain its sort order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     * @example
+	     *
+	     * _.sortedIndex([30, 50], 40);
+	     * // => 1
+	     */
+	    function sortedIndex(array, value) {
+	      return baseSortedIndex(array, value);
+	    }
+	
+	    /**
+	     * This method is like `_.sortedIndex` except that it accepts `iteratee`
+	     * which is invoked for `value` and each element of `array` to compute their
+	     * sort ranking. The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+	     *
+	     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+	     * // => 0
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
+	     * // => 0
+	     */
+	    function sortedIndexBy(array, value, iteratee) {
+	      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
+	    }
+	
+	    /**
+	     * This method is like `_.indexOf` except that it performs a binary
+	     * search on a sorted `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {*} value The value to search for.
+	     * @returns {number} Returns the index of the matched value, else `-1`.
+	     * @example
+	     *
+	     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
+	     * // => 1
+	     */
+	    function sortedIndexOf(array, value) {
+	      var length = array == null ? 0 : array.length;
+	      if (length) {
+	        var index = baseSortedIndex(array, value);
+	        if (index < length && eq(array[index], value)) {
+	          return index;
+	        }
+	      }
+	      return -1;
+	    }
+	
+	    /**
+	     * This method is like `_.sortedIndex` except that it returns the highest
+	     * index at which `value` should be inserted into `array` in order to
+	     * maintain its sort order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     * @example
+	     *
+	     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
+	     * // => 4
+	     */
+	    function sortedLastIndex(array, value) {
+	      return baseSortedIndex(array, value, true);
+	    }
+	
+	    /**
+	     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
+	     * which is invoked for `value` and each element of `array` to compute their
+	     * sort ranking. The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The sorted array to inspect.
+	     * @param {*} value The value to evaluate.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {number} Returns the index at which `value` should be inserted
+	     *  into `array`.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 4 }, { 'x': 5 }];
+	     *
+	     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
+	     * // => 1
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
+	     * // => 1
+	     */
+	    function sortedLastIndexBy(array, value, iteratee) {
+	      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
+	    }
+	
+	    /**
+	     * This method is like `_.lastIndexOf` except that it performs a binary
+	     * search on a sorted `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {*} value The value to search for.
+	     * @returns {number} Returns the index of the matched value, else `-1`.
+	     * @example
+	     *
+	     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
+	     * // => 3
+	     */
+	    function sortedLastIndexOf(array, value) {
+	      var length = array == null ? 0 : array.length;
+	      if (length) {
+	        var index = baseSortedIndex(array, value, true) - 1;
+	        if (eq(array[index], value)) {
+	          return index;
+	        }
+	      }
+	      return -1;
+	    }
+	
+	    /**
+	     * This method is like `_.uniq` except that it's designed and optimized
+	     * for sorted arrays.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @returns {Array} Returns the new duplicate free array.
+	     * @example
+	     *
+	     * _.sortedUniq([1, 1, 2]);
+	     * // => [1, 2]
+	     */
+	    function sortedUniq(array) {
+	      return (array && array.length)
+	        ? baseSortedUniq(array)
+	        : [];
+	    }
+	
+	    /**
+	     * This method is like `_.uniqBy` except that it's designed and optimized
+	     * for sorted arrays.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [iteratee] The iteratee invoked per element.
+	     * @returns {Array} Returns the new duplicate free array.
+	     * @example
+	     *
+	     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
+	     * // => [1.1, 2.3]
+	     */
+	    function sortedUniqBy(array, iteratee) {
+	      return (array && array.length)
+	        ? baseSortedUniq(array, getIteratee(iteratee, 2))
+	        : [];
+	    }
+	
+	    /**
+	     * Gets all but the first element of `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.tail([1, 2, 3]);
+	     * // => [2, 3]
+	     */
+	    function tail(array) {
+	      var length = array == null ? 0 : array.length;
+	      return length ? baseSlice(array, 1, length) : [];
+	    }
+	
+	    /**
+	     * Creates a slice of `array` with `n` elements taken from the beginning.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {number} [n=1] The number of elements to take.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.take([1, 2, 3]);
+	     * // => [1]
+	     *
+	     * _.take([1, 2, 3], 2);
+	     * // => [1, 2]
+	     *
+	     * _.take([1, 2, 3], 5);
+	     * // => [1, 2, 3]
+	     *
+	     * _.take([1, 2, 3], 0);
+	     * // => []
+	     */
+	    function take(array, n, guard) {
+	      if (!(array && array.length)) {
+	        return [];
+	      }
+	      n = (guard || n === undefined) ? 1 : toInteger(n);
+	      return baseSlice(array, 0, n < 0 ? 0 : n);
+	    }
+	
+	    /**
+	     * Creates a slice of `array` with `n` elements taken from the end.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {number} [n=1] The number of elements to take.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * _.takeRight([1, 2, 3]);
+	     * // => [3]
+	     *
+	     * _.takeRight([1, 2, 3], 2);
+	     * // => [2, 3]
+	     *
+	     * _.takeRight([1, 2, 3], 5);
+	     * // => [1, 2, 3]
+	     *
+	     * _.takeRight([1, 2, 3], 0);
+	     * // => []
+	     */
+	    function takeRight(array, n, guard) {
+	      var length = array == null ? 0 : array.length;
+	      if (!length) {
+	        return [];
+	      }
+	      n = (guard || n === undefined) ? 1 : toInteger(n);
+	      n = length - n;
+	      return baseSlice(array, n < 0 ? 0 : n, length);
+	    }
+	
+	    /**
+	     * Creates a slice of `array` with elements taken from the end. Elements are
+	     * taken until `predicate` returns falsey. The predicate is invoked with
+	     * three arguments: (value, index, array).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': true },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': false }
+	     * ];
+	     *
+	     * _.takeRightWhile(users, function(o) { return !o.active; });
+	     * // => objects for ['fred', 'pebbles']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
+	     * // => objects for ['pebbles']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.takeRightWhile(users, ['active', false]);
+	     * // => objects for ['fred', 'pebbles']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.takeRightWhile(users, 'active');
+	     * // => []
+	     */
+	    function takeRightWhile(array, predicate) {
+	      return (array && array.length)
+	        ? baseWhile(array, getIteratee(predicate, 3), false, true)
+	        : [];
+	    }
+	
+	    /**
+	     * Creates a slice of `array` with elements taken from the beginning. Elements
+	     * are taken until `predicate` returns falsey. The predicate is invoked with
+	     * three arguments: (value, index, array).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Array
+	     * @param {Array} array The array to query.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the slice of `array`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'active': false },
+	     *   { 'user': 'fred',    'active': false },
+	     *   { 'user': 'pebbles', 'active': true }
+	     * ];
+	     *
+	     * _.takeWhile(users, function(o) { return !o.active; });
+	     * // => objects for ['barney', 'fred']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.takeWhile(users, { 'user': 'barney', 'active': false });
+	     * // => objects for ['barney']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.takeWhile(users, ['active', false]);
+	     * // => objects for ['barney', 'fred']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.takeWhile(users, 'active');
+	     * // => []
+	     */
+	    function takeWhile(array, predicate) {
+	      return (array && array.length)
+	        ? baseWhile(array, getIteratee(predicate, 3))
+	        : [];
+	    }
+	
+	    /**
+	     * Creates an array of unique values, in order, from all given arrays using
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @returns {Array} Returns the new array of combined values.
+	     * @example
+	     *
+	     * _.union([2], [1, 2]);
+	     * // => [2, 1]
+	     */
+	    var union = baseRest(function(arrays) {
+	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+	    });
+	
+	    /**
+	     * This method is like `_.union` except that it accepts `iteratee` which is
+	     * invoked for each element of each `arrays` to generate the criterion by
+	     * which uniqueness is computed. Result values are chosen from the first
+	     * array in which the value occurs. The iteratee is invoked with one argument:
+	     * (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns the new array of combined values.
+	     * @example
+	     *
+	     * _.unionBy([2.1], [1.2, 2.3], Math.floor);
+	     * // => [2.1, 1.2]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+	     * // => [{ 'x': 1 }, { 'x': 2 }]
+	     */
+	    var unionBy = baseRest(function(arrays) {
+	      var iteratee = last(arrays);
+	      if (isArrayLikeObject(iteratee)) {
+	        iteratee = undefined;
+	      }
+	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
+	    });
+	
+	    /**
+	     * This method is like `_.union` except that it accepts `comparator` which
+	     * is invoked to compare elements of `arrays`. Result values are chosen from
+	     * the first array in which the value occurs. The comparator is invoked
+	     * with two arguments: (arrVal, othVal).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of combined values.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+	     *
+	     * _.unionWith(objects, others, _.isEqual);
+	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+	     */
+	    var unionWith = baseRest(function(arrays) {
+	      var comparator = last(arrays);
+	      comparator = typeof comparator == 'function' ? comparator : undefined;
+	      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
+	    });
+	
+	    /**
+	     * Creates a duplicate-free version of an array, using
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons, in which only the first occurrence of each element
+	     * is kept. The order of result values is determined by the order they occur
+	     * in the array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @returns {Array} Returns the new duplicate free array.
+	     * @example
+	     *
+	     * _.uniq([2, 1, 2]);
+	     * // => [2, 1]
+	     */
+	    function uniq(array) {
+	      return (array && array.length) ? baseUniq(array) : [];
+	    }
+	
+	    /**
+	     * This method is like `_.uniq` except that it accepts `iteratee` which is
+	     * invoked for each element in `array` to generate the criterion by which
+	     * uniqueness is computed. The order of result values is determined by the
+	     * order they occur in the array. The iteratee is invoked with one argument:
+	     * (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns the new duplicate free array.
+	     * @example
+	     *
+	     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
+	     * // => [2.1, 1.2]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
+	     * // => [{ 'x': 1 }, { 'x': 2 }]
+	     */
+	    function uniqBy(array, iteratee) {
+	      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
+	    }
+	
+	    /**
+	     * This method is like `_.uniq` except that it accepts `comparator` which
+	     * is invoked to compare elements of `array`. The order of result values is
+	     * determined by the order they occur in the array.The comparator is invoked
+	     * with two arguments: (arrVal, othVal).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new duplicate free array.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
+	     *
+	     * _.uniqWith(objects, _.isEqual);
+	     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
+	     */
+	    function uniqWith(array, comparator) {
+	      comparator = typeof comparator == 'function' ? comparator : undefined;
+	      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
+	    }
+	
+	    /**
+	     * This method is like `_.zip` except that it accepts an array of grouped
+	     * elements and creates an array regrouping the elements to their pre-zip
+	     * configuration.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.2.0
+	     * @category Array
+	     * @param {Array} array The array of grouped elements to process.
+	     * @returns {Array} Returns the new array of regrouped elements.
+	     * @example
+	     *
+	     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
+	     * // => [['a', 1, true], ['b', 2, false]]
+	     *
+	     * _.unzip(zipped);
+	     * // => [['a', 'b'], [1, 2], [true, false]]
+	     */
+	    function unzip(array) {
+	      if (!(array && array.length)) {
+	        return [];
+	      }
+	      var length = 0;
+	      array = arrayFilter(array, function(group) {
+	        if (isArrayLikeObject(group)) {
+	          length = nativeMax(group.length, length);
+	          return true;
+	        }
+	      });
+	      return baseTimes(length, function(index) {
+	        return arrayMap(array, baseProperty(index));
+	      });
+	    }
+	
+	    /**
+	     * This method is like `_.unzip` except that it accepts `iteratee` to specify
+	     * how regrouped values should be combined. The iteratee is invoked with the
+	     * elements of each group: (...group).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.8.0
+	     * @category Array
+	     * @param {Array} array The array of grouped elements to process.
+	     * @param {Function} [iteratee=_.identity] The function to combine
+	     *  regrouped values.
+	     * @returns {Array} Returns the new array of regrouped elements.
+	     * @example
+	     *
+	     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
+	     * // => [[1, 10, 100], [2, 20, 200]]
+	     *
+	     * _.unzipWith(zipped, _.add);
+	     * // => [3, 30, 300]
+	     */
+	    function unzipWith(array, iteratee) {
+	      if (!(array && array.length)) {
+	        return [];
+	      }
+	      var result = unzip(array);
+	      if (iteratee == null) {
+	        return result;
+	      }
+	      return arrayMap(result, function(group) {
+	        return apply(iteratee, undefined, group);
+	      });
+	    }
+	
+	    /**
+	     * Creates an array excluding all given values using
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * for equality comparisons.
+	     *
+	     * **Note:** Unlike `_.pull`, this method returns a new array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {Array} array The array to inspect.
+	     * @param {...*} [values] The values to exclude.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @see _.difference, _.xor
+	     * @example
+	     *
+	     * _.without([2, 1, 2, 3], 1, 2);
+	     * // => [3]
+	     */
+	    var without = baseRest(function(array, values) {
+	      return isArrayLikeObject(array)
+	        ? baseDifference(array, values)
+	        : [];
+	    });
+	
+	    /**
+	     * Creates an array of unique values that is the
+	     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
+	     * of the given arrays. The order of result values is determined by the order
+	     * they occur in the arrays.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.4.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @see _.difference, _.without
+	     * @example
+	     *
+	     * _.xor([2, 1], [2, 3]);
+	     * // => [1, 3]
+	     */
+	    var xor = baseRest(function(arrays) {
+	      return baseXor(arrayFilter(arrays, isArrayLikeObject));
+	    });
+	
+	    /**
+	     * This method is like `_.xor` except that it accepts `iteratee` which is
+	     * invoked for each element of each `arrays` to generate the criterion by
+	     * which by which they're compared. The order of result values is determined
+	     * by the order they occur in the arrays. The iteratee is invoked with one
+	     * argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @example
+	     *
+	     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
+	     * // => [1.2, 3.4]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
+	     * // => [{ 'x': 2 }]
+	     */
+	    var xorBy = baseRest(function(arrays) {
+	      var iteratee = last(arrays);
+	      if (isArrayLikeObject(iteratee)) {
+	        iteratee = undefined;
+	      }
+	      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
+	    });
+	
+	    /**
+	     * This method is like `_.xor` except that it accepts `comparator` which is
+	     * invoked to compare elements of `arrays`. The order of result values is
+	     * determined by the order they occur in the arrays. The comparator is invoked
+	     * with two arguments: (arrVal, othVal).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to inspect.
+	     * @param {Function} [comparator] The comparator invoked per element.
+	     * @returns {Array} Returns the new array of filtered values.
+	     * @example
+	     *
+	     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+	     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
+	     *
+	     * _.xorWith(objects, others, _.isEqual);
+	     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
+	     */
+	    var xorWith = baseRest(function(arrays) {
+	      var comparator = last(arrays);
+	      comparator = typeof comparator == 'function' ? comparator : undefined;
+	      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
+	    });
+	
+	    /**
+	     * Creates an array of grouped elements, the first of which contains the
+	     * first elements of the given arrays, the second of which contains the
+	     * second elements of the given arrays, and so on.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to process.
+	     * @returns {Array} Returns the new array of grouped elements.
+	     * @example
+	     *
+	     * _.zip(['a', 'b'], [1, 2], [true, false]);
+	     * // => [['a', 1, true], ['b', 2, false]]
+	     */
+	    var zip = baseRest(unzip);
+	
+	    /**
+	     * This method is like `_.fromPairs` except that it accepts two arrays,
+	     * one of property identifiers and one of corresponding values.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.4.0
+	     * @category Array
+	     * @param {Array} [props=[]] The property identifiers.
+	     * @param {Array} [values=[]] The property values.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * _.zipObject(['a', 'b'], [1, 2]);
+	     * // => { 'a': 1, 'b': 2 }
+	     */
+	    function zipObject(props, values) {
+	      return baseZipObject(props || [], values || [], assignValue);
+	    }
+	
+	    /**
+	     * This method is like `_.zipObject` except that it supports property paths.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.1.0
+	     * @category Array
+	     * @param {Array} [props=[]] The property identifiers.
+	     * @param {Array} [values=[]] The property values.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
+	     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
+	     */
+	    function zipObjectDeep(props, values) {
+	      return baseZipObject(props || [], values || [], baseSet);
+	    }
+	
+	    /**
+	     * This method is like `_.zip` except that it accepts `iteratee` to specify
+	     * how grouped values should be combined. The iteratee is invoked with the
+	     * elements of each group: (...group).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.8.0
+	     * @category Array
+	     * @param {...Array} [arrays] The arrays to process.
+	     * @param {Function} [iteratee=_.identity] The function to combine
+	     *  grouped values.
+	     * @returns {Array} Returns the new array of grouped elements.
+	     * @example
+	     *
+	     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
+	     *   return a + b + c;
+	     * });
+	     * // => [111, 222]
+	     */
+	    var zipWith = baseRest(function(arrays) {
+	      var length = arrays.length,
+	          iteratee = length > 1 ? arrays[length - 1] : undefined;
+	
+	      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
+	      return unzipWith(arrays, iteratee);
+	    });
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates a `lodash` wrapper instance that wraps `value` with explicit method
+	     * chain sequences enabled. The result of such sequences must be unwrapped
+	     * with `_#value`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.3.0
+	     * @category Seq
+	     * @param {*} value The value to wrap.
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'age': 36 },
+	     *   { 'user': 'fred',    'age': 40 },
+	     *   { 'user': 'pebbles', 'age': 1 }
+	     * ];
+	     *
+	     * var youngest = _
+	     *   .chain(users)
+	     *   .sortBy('age')
+	     *   .map(function(o) {
+	     *     return o.user + ' is ' + o.age;
+	     *   })
+	     *   .head()
+	     *   .value();
+	     * // => 'pebbles is 1'
+	     */
+	    function chain(value) {
+	      var result = lodash(value);
+	      result.__chain__ = true;
+	      return result;
+	    }
+	
+	    /**
+	     * This method invokes `interceptor` and returns `value`. The interceptor
+	     * is invoked with one argument; (value). The purpose of this method is to
+	     * "tap into" a method chain sequence in order to modify intermediate results.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Seq
+	     * @param {*} value The value to provide to `interceptor`.
+	     * @param {Function} interceptor The function to invoke.
+	     * @returns {*} Returns `value`.
+	     * @example
+	     *
+	     * _([1, 2, 3])
+	     *  .tap(function(array) {
+	     *    // Mutate input array.
+	     *    array.pop();
+	     *  })
+	     *  .reverse()
+	     *  .value();
+	     * // => [2, 1]
+	     */
+	    function tap(value, interceptor) {
+	      interceptor(value);
+	      return value;
+	    }
+	
+	    /**
+	     * This method is like `_.tap` except that it returns the result of `interceptor`.
+	     * The purpose of this method is to "pass thru" values replacing intermediate
+	     * results in a method chain sequence.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Seq
+	     * @param {*} value The value to provide to `interceptor`.
+	     * @param {Function} interceptor The function to invoke.
+	     * @returns {*} Returns the result of `interceptor`.
+	     * @example
+	     *
+	     * _('  abc  ')
+	     *  .chain()
+	     *  .trim()
+	     *  .thru(function(value) {
+	     *    return [value];
+	     *  })
+	     *  .value();
+	     * // => ['abc']
+	     */
+	    function thru(value, interceptor) {
+	      return interceptor(value);
+	    }
+	
+	    /**
+	     * This method is the wrapper version of `_.at`.
+	     *
+	     * @name at
+	     * @memberOf _
+	     * @since 1.0.0
+	     * @category Seq
+	     * @param {...(string|string[])} [paths] The property paths to pick.
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+	     *
+	     * _(object).at(['a[0].b.c', 'a[1]']).value();
+	     * // => [3, 4]
+	     */
+	    var wrapperAt = flatRest(function(paths) {
+	      var length = paths.length,
+	          start = length ? paths[0] : 0,
+	          value = this.__wrapped__,
+	          interceptor = function(object) { return baseAt(object, paths); };
+	
+	      if (length > 1 || this.__actions__.length ||
+	          !(value instanceof LazyWrapper) || !isIndex(start)) {
+	        return this.thru(interceptor);
+	      }
+	      value = value.slice(start, +start + (length ? 1 : 0));
+	      value.__actions__.push({
+	        'func': thru,
+	        'args': [interceptor],
+	        'thisArg': undefined
+	      });
+	      return new LodashWrapper(value, this.__chain__).thru(function(array) {
+	        if (length && !array.length) {
+	          array.push(undefined);
+	        }
+	        return array;
+	      });
+	    });
+	
+	    /**
+	     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
+	     *
+	     * @name chain
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Seq
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'age': 36 },
+	     *   { 'user': 'fred',   'age': 40 }
+	     * ];
+	     *
+	     * // A sequence without explicit chaining.
+	     * _(users).head();
+	     * // => { 'user': 'barney', 'age': 36 }
+	     *
+	     * // A sequence with explicit chaining.
+	     * _(users)
+	     *   .chain()
+	     *   .head()
+	     *   .pick('user')
+	     *   .value();
+	     * // => { 'user': 'barney' }
+	     */
+	    function wrapperChain() {
+	      return chain(this);
+	    }
+	
+	    /**
+	     * Executes the chain sequence and returns the wrapped result.
+	     *
+	     * @name commit
+	     * @memberOf _
+	     * @since 3.2.0
+	     * @category Seq
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * var array = [1, 2];
+	     * var wrapped = _(array).push(3);
+	     *
+	     * console.log(array);
+	     * // => [1, 2]
+	     *
+	     * wrapped = wrapped.commit();
+	     * console.log(array);
+	     * // => [1, 2, 3]
+	     *
+	     * wrapped.last();
+	     * // => 3
+	     *
+	     * console.log(array);
+	     * // => [1, 2, 3]
+	     */
+	    function wrapperCommit() {
+	      return new LodashWrapper(this.value(), this.__chain__);
+	    }
+	
+	    /**
+	     * Gets the next value on a wrapped object following the
+	     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
+	     *
+	     * @name next
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Seq
+	     * @returns {Object} Returns the next iterator value.
+	     * @example
+	     *
+	     * var wrapped = _([1, 2]);
+	     *
+	     * wrapped.next();
+	     * // => { 'done': false, 'value': 1 }
+	     *
+	     * wrapped.next();
+	     * // => { 'done': false, 'value': 2 }
+	     *
+	     * wrapped.next();
+	     * // => { 'done': true, 'value': undefined }
+	     */
+	    function wrapperNext() {
+	      if (this.__values__ === undefined) {
+	        this.__values__ = toArray(this.value());
+	      }
+	      var done = this.__index__ >= this.__values__.length,
+	          value = done ? undefined : this.__values__[this.__index__++];
+	
+	      return { 'done': done, 'value': value };
+	    }
+	
+	    /**
+	     * Enables the wrapper to be iterable.
+	     *
+	     * @name Symbol.iterator
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Seq
+	     * @returns {Object} Returns the wrapper object.
+	     * @example
+	     *
+	     * var wrapped = _([1, 2]);
+	     *
+	     * wrapped[Symbol.iterator]() === wrapped;
+	     * // => true
+	     *
+	     * Array.from(wrapped);
+	     * // => [1, 2]
+	     */
+	    function wrapperToIterator() {
+	      return this;
+	    }
+	
+	    /**
+	     * Creates a clone of the chain sequence planting `value` as the wrapped value.
+	     *
+	     * @name plant
+	     * @memberOf _
+	     * @since 3.2.0
+	     * @category Seq
+	     * @param {*} value The value to plant.
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * var wrapped = _([1, 2]).map(square);
+	     * var other = wrapped.plant([3, 4]);
+	     *
+	     * other.value();
+	     * // => [9, 16]
+	     *
+	     * wrapped.value();
+	     * // => [1, 4]
+	     */
+	    function wrapperPlant(value) {
+	      var result,
+	          parent = this;
+	
+	      while (parent instanceof baseLodash) {
+	        var clone = wrapperClone(parent);
+	        clone.__index__ = 0;
+	        clone.__values__ = undefined;
+	        if (result) {
+	          previous.__wrapped__ = clone;
+	        } else {
+	          result = clone;
+	        }
+	        var previous = clone;
+	        parent = parent.__wrapped__;
+	      }
+	      previous.__wrapped__ = value;
+	      return result;
+	    }
+	
+	    /**
+	     * This method is the wrapper version of `_.reverse`.
+	     *
+	     * **Note:** This method mutates the wrapped array.
+	     *
+	     * @name reverse
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Seq
+	     * @returns {Object} Returns the new `lodash` wrapper instance.
+	     * @example
+	     *
+	     * var array = [1, 2, 3];
+	     *
+	     * _(array).reverse().value()
+	     * // => [3, 2, 1]
+	     *
+	     * console.log(array);
+	     * // => [3, 2, 1]
+	     */
+	    function wrapperReverse() {
+	      var value = this.__wrapped__;
+	      if (value instanceof LazyWrapper) {
+	        var wrapped = value;
+	        if (this.__actions__.length) {
+	          wrapped = new LazyWrapper(this);
+	        }
+	        wrapped = wrapped.reverse();
+	        wrapped.__actions__.push({
+	          'func': thru,
+	          'args': [reverse],
+	          'thisArg': undefined
+	        });
+	        return new LodashWrapper(wrapped, this.__chain__);
+	      }
+	      return this.thru(reverse);
+	    }
+	
+	    /**
+	     * Executes the chain sequence to resolve the unwrapped value.
+	     *
+	     * @name value
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @alias toJSON, valueOf
+	     * @category Seq
+	     * @returns {*} Returns the resolved unwrapped value.
+	     * @example
+	     *
+	     * _([1, 2, 3]).value();
+	     * // => [1, 2, 3]
+	     */
+	    function wrapperValue() {
+	      return baseWrapperValue(this.__wrapped__, this.__actions__);
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Creates an object composed of keys generated from the results of running
+	     * each element of `collection` thru `iteratee`. The corresponding value of
+	     * each key is the number of times the key was returned by `iteratee`. The
+	     * iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.5.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+	     * @returns {Object} Returns the composed aggregate object.
+	     * @example
+	     *
+	     * _.countBy([6.1, 4.2, 6.3], Math.floor);
+	     * // => { '4': 1, '6': 2 }
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.countBy(['one', 'two', 'three'], 'length');
+	     * // => { '3': 2, '5': 1 }
+	     */
+	    var countBy = createAggregator(function(result, value, key) {
+	      if (hasOwnProperty.call(result, key)) {
+	        ++result[key];
+	      } else {
+	        baseAssignValue(result, key, 1);
+	      }
+	    });
+	
+	    /**
+	     * Checks if `predicate` returns truthy for **all** elements of `collection`.
+	     * Iteration is stopped once `predicate` returns falsey. The predicate is
+	     * invoked with three arguments: (value, index|key, collection).
+	     *
+	     * **Note:** This method returns `true` for
+	     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
+	     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
+	     * elements of empty collections.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {boolean} Returns `true` if all elements pass the predicate check,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.every([true, 1, null, 'yes'], Boolean);
+	     * // => false
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'age': 36, 'active': false },
+	     *   { 'user': 'fred',   'age': 40, 'active': false }
+	     * ];
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.every(users, { 'user': 'barney', 'active': false });
+	     * // => false
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.every(users, ['active', false]);
+	     * // => true
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.every(users, 'active');
+	     * // => false
+	     */
+	    function every(collection, predicate, guard) {
+	      var func = isArray(collection) ? arrayEvery : baseEvery;
+	      if (guard && isIterateeCall(collection, predicate, guard)) {
+	        predicate = undefined;
+	      }
+	      return func(collection, getIteratee(predicate, 3));
+	    }
+	
+	    /**
+	     * Iterates over elements of `collection`, returning an array of all elements
+	     * `predicate` returns truthy for. The predicate is invoked with three
+	     * arguments: (value, index|key, collection).
+	     *
+	     * **Note:** Unlike `_.remove`, this method returns a new array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new filtered array.
+	     * @see _.reject
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'age': 36, 'active': true },
+	     *   { 'user': 'fred',   'age': 40, 'active': false }
+	     * ];
+	     *
+	     * _.filter(users, function(o) { return !o.active; });
+	     * // => objects for ['fred']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.filter(users, { 'age': 36, 'active': true });
+	     * // => objects for ['barney']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.filter(users, ['active', false]);
+	     * // => objects for ['fred']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.filter(users, 'active');
+	     * // => objects for ['barney']
+	     */
+	    function filter(collection, predicate) {
+	      var func = isArray(collection) ? arrayFilter : baseFilter;
+	      return func(collection, getIteratee(predicate, 3));
+	    }
+	
+	    /**
+	     * Iterates over elements of `collection`, returning the first element
+	     * `predicate` returns truthy for. The predicate is invoked with three
+	     * arguments: (value, index|key, collection).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param {number} [fromIndex=0] The index to search from.
+	     * @returns {*} Returns the matched element, else `undefined`.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'age': 36, 'active': true },
+	     *   { 'user': 'fred',    'age': 40, 'active': false },
+	     *   { 'user': 'pebbles', 'age': 1,  'active': true }
+	     * ];
+	     *
+	     * _.find(users, function(o) { return o.age < 40; });
+	     * // => object for 'barney'
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.find(users, { 'age': 1, 'active': true });
+	     * // => object for 'pebbles'
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.find(users, ['active', false]);
+	     * // => object for 'fred'
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.find(users, 'active');
+	     * // => object for 'barney'
+	     */
+	    var find = createFind(findIndex);
+	
+	    /**
+	     * This method is like `_.find` except that it iterates over elements of
+	     * `collection` from right to left.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param {number} [fromIndex=collection.length-1] The index to search from.
+	     * @returns {*} Returns the matched element, else `undefined`.
+	     * @example
+	     *
+	     * _.findLast([1, 2, 3, 4], function(n) {
+	     *   return n % 2 == 1;
+	     * });
+	     * // => 3
+	     */
+	    var findLast = createFind(findLastIndex);
+	
+	    /**
+	     * Creates a flattened array of values by running each element in `collection`
+	     * thru `iteratee` and flattening the mapped results. The iteratee is invoked
+	     * with three arguments: (value, index|key, collection).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * function duplicate(n) {
+	     *   return [n, n];
+	     * }
+	     *
+	     * _.flatMap([1, 2], duplicate);
+	     * // => [1, 1, 2, 2]
+	     */
+	    function flatMap(collection, iteratee) {
+	      return baseFlatten(map(collection, iteratee), 1);
+	    }
+	
+	    /**
+	     * This method is like `_.flatMap` except that it recursively flattens the
+	     * mapped results.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.7.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * function duplicate(n) {
+	     *   return [[[n, n]]];
+	     * }
+	     *
+	     * _.flatMapDeep([1, 2], duplicate);
+	     * // => [1, 1, 2, 2]
+	     */
+	    function flatMapDeep(collection, iteratee) {
+	      return baseFlatten(map(collection, iteratee), INFINITY);
+	    }
+	
+	    /**
+	     * This method is like `_.flatMap` except that it recursively flattens the
+	     * mapped results up to `depth` times.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.7.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @param {number} [depth=1] The maximum recursion depth.
+	     * @returns {Array} Returns the new flattened array.
+	     * @example
+	     *
+	     * function duplicate(n) {
+	     *   return [[[n, n]]];
+	     * }
+	     *
+	     * _.flatMapDepth([1, 2], duplicate, 2);
+	     * // => [[1, 1], [2, 2]]
+	     */
+	    function flatMapDepth(collection, iteratee, depth) {
+	      depth = depth === undefined ? 1 : toInteger(depth);
+	      return baseFlatten(map(collection, iteratee), depth);
+	    }
+	
+	    /**
+	     * Iterates over elements of `collection` and invokes `iteratee` for each element.
+	     * The iteratee is invoked with three arguments: (value, index|key, collection).
+	     * Iteratee functions may exit iteration early by explicitly returning `false`.
+	     *
+	     * **Note:** As with other "Collections" methods, objects with a "length"
+	     * property are iterated like arrays. To avoid this behavior use `_.forIn`
+	     * or `_.forOwn` for object iteration.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @alias each
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array|Object} Returns `collection`.
+	     * @see _.forEachRight
+	     * @example
+	     *
+	     * _.forEach([1, 2], function(value) {
+	     *   console.log(value);
+	     * });
+	     * // => Logs `1` then `2`.
+	     *
+	     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
+	     *   console.log(key);
+	     * });
+	     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+	     */
+	    function forEach(collection, iteratee) {
+	      var func = isArray(collection) ? arrayEach : baseEach;
+	      return func(collection, getIteratee(iteratee, 3));
+	    }
+	
+	    /**
+	     * This method is like `_.forEach` except that it iterates over elements of
+	     * `collection` from right to left.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @alias eachRight
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array|Object} Returns `collection`.
+	     * @see _.forEach
+	     * @example
+	     *
+	     * _.forEachRight([1, 2], function(value) {
+	     *   console.log(value);
+	     * });
+	     * // => Logs `2` then `1`.
+	     */
+	    function forEachRight(collection, iteratee) {
+	      var func = isArray(collection) ? arrayEachRight : baseEachRight;
+	      return func(collection, getIteratee(iteratee, 3));
+	    }
+	
+	    /**
+	     * Creates an object composed of keys generated from the results of running
+	     * each element of `collection` thru `iteratee`. The order of grouped values
+	     * is determined by the order they occur in `collection`. The corresponding
+	     * value of each key is an array of elements responsible for generating the
+	     * key. The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+	     * @returns {Object} Returns the composed aggregate object.
+	     * @example
+	     *
+	     * _.groupBy([6.1, 4.2, 6.3], Math.floor);
+	     * // => { '4': [4.2], '6': [6.1, 6.3] }
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.groupBy(['one', 'two', 'three'], 'length');
+	     * // => { '3': ['one', 'two'], '5': ['three'] }
+	     */
+	    var groupBy = createAggregator(function(result, value, key) {
+	      if (hasOwnProperty.call(result, key)) {
+	        result[key].push(value);
+	      } else {
+	        baseAssignValue(result, key, [value]);
+	      }
+	    });
+	
+	    /**
+	     * Checks if `value` is in `collection`. If `collection` is a string, it's
+	     * checked for a substring of `value`, otherwise
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * is used for equality comparisons. If `fromIndex` is negative, it's used as
+	     * the offset from the end of `collection`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object|string} collection The collection to inspect.
+	     * @param {*} value The value to search for.
+	     * @param {number} [fromIndex=0] The index to search from.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+	     * @returns {boolean} Returns `true` if `value` is found, else `false`.
+	     * @example
+	     *
+	     * _.includes([1, 2, 3], 1);
+	     * // => true
+	     *
+	     * _.includes([1, 2, 3], 1, 2);
+	     * // => false
+	     *
+	     * _.includes({ 'a': 1, 'b': 2 }, 1);
+	     * // => true
+	     *
+	     * _.includes('abcd', 'bc');
+	     * // => true
+	     */
+	    function includes(collection, value, fromIndex, guard) {
+	      collection = isArrayLike(collection) ? collection : values(collection);
+	      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+	
+	      var length = collection.length;
+	      if (fromIndex < 0) {
+	        fromIndex = nativeMax(length + fromIndex, 0);
+	      }
+	      return isString(collection)
+	        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
+	        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
+	    }
+	
+	    /**
+	     * Invokes the method at `path` of each element in `collection`, returning
+	     * an array of the results of each invoked method. Any additional arguments
+	     * are provided to each invoked method. If `path` is a function, it's invoked
+	     * for, and `this` bound to, each element in `collection`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Array|Function|string} path The path of the method to invoke or
+	     *  the function invoked per iteration.
+	     * @param {...*} [args] The arguments to invoke each method with.
+	     * @returns {Array} Returns the array of results.
+	     * @example
+	     *
+	     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
+	     * // => [[1, 5, 7], [1, 2, 3]]
+	     *
+	     * _.invokeMap([123, 456], String.prototype.split, '');
+	     * // => [['1', '2', '3'], ['4', '5', '6']]
+	     */
+	    var invokeMap = baseRest(function(collection, path, args) {
+	      var index = -1,
+	          isFunc = typeof path == 'function',
+	          result = isArrayLike(collection) ? Array(collection.length) : [];
+	
+	      baseEach(collection, function(value) {
+	        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+	      });
+	      return result;
+	    });
+	
+	    /**
+	     * Creates an object composed of keys generated from the results of running
+	     * each element of `collection` thru `iteratee`. The corresponding value of
+	     * each key is the last element responsible for generating the key. The
+	     * iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
+	     * @returns {Object} Returns the composed aggregate object.
+	     * @example
+	     *
+	     * var array = [
+	     *   { 'dir': 'left', 'code': 97 },
+	     *   { 'dir': 'right', 'code': 100 }
+	     * ];
+	     *
+	     * _.keyBy(array, function(o) {
+	     *   return String.fromCharCode(o.code);
+	     * });
+	     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
+	     *
+	     * _.keyBy(array, 'dir');
+	     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
+	     */
+	    var keyBy = createAggregator(function(result, value, key) {
+	      baseAssignValue(result, key, value);
+	    });
+	
+	    /**
+	     * Creates an array of values by running each element in `collection` thru
+	     * `iteratee`. The iteratee is invoked with three arguments:
+	     * (value, index|key, collection).
+	     *
+	     * Many lodash methods are guarded to work as iteratees for methods like
+	     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
+	     *
+	     * The guarded methods are:
+	     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
+	     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
+	     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
+	     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new mapped array.
+	     * @example
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * _.map([4, 8], square);
+	     * // => [16, 64]
+	     *
+	     * _.map({ 'a': 4, 'b': 8 }, square);
+	     * // => [16, 64] (iteration order is not guaranteed)
+	     *
+	     * var users = [
+	     *   { 'user': 'barney' },
+	     *   { 'user': 'fred' }
+	     * ];
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.map(users, 'user');
+	     * // => ['barney', 'fred']
+	     */
+	    function map(collection, iteratee) {
+	      var func = isArray(collection) ? arrayMap : baseMap;
+	      return func(collection, getIteratee(iteratee, 3));
+	    }
+	
+	    /**
+	     * This method is like `_.sortBy` except that it allows specifying the sort
+	     * orders of the iteratees to sort by. If `orders` is unspecified, all values
+	     * are sorted in ascending order. Otherwise, specify an order of "desc" for
+	     * descending or "asc" for ascending sort order of corresponding values.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
+	     *  The iteratees to sort by.
+	     * @param {string[]} [orders] The sort orders of `iteratees`.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
+	     * @returns {Array} Returns the new sorted array.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'fred',   'age': 48 },
+	     *   { 'user': 'barney', 'age': 34 },
+	     *   { 'user': 'fred',   'age': 40 },
+	     *   { 'user': 'barney', 'age': 36 }
+	     * ];
+	     *
+	     * // Sort by `user` in ascending order and by `age` in descending order.
+	     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
+	     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+	     */
+	    function orderBy(collection, iteratees, orders, guard) {
+	      if (collection == null) {
+	        return [];
+	      }
+	      if (!isArray(iteratees)) {
+	        iteratees = iteratees == null ? [] : [iteratees];
+	      }
+	      orders = guard ? undefined : orders;
+	      if (!isArray(orders)) {
+	        orders = orders == null ? [] : [orders];
+	      }
+	      return baseOrderBy(collection, iteratees, orders);
+	    }
+	
+	    /**
+	     * Creates an array of elements split into two groups, the first of which
+	     * contains elements `predicate` returns truthy for, the second of which
+	     * contains elements `predicate` returns falsey for. The predicate is
+	     * invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the array of grouped elements.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney',  'age': 36, 'active': false },
+	     *   { 'user': 'fred',    'age': 40, 'active': true },
+	     *   { 'user': 'pebbles', 'age': 1,  'active': false }
+	     * ];
+	     *
+	     * _.partition(users, function(o) { return o.active; });
+	     * // => objects for [['fred'], ['barney', 'pebbles']]
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.partition(users, { 'age': 1, 'active': false });
+	     * // => objects for [['pebbles'], ['barney', 'fred']]
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.partition(users, ['active', false]);
+	     * // => objects for [['barney', 'pebbles'], ['fred']]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.partition(users, 'active');
+	     * // => objects for [['fred'], ['barney', 'pebbles']]
+	     */
+	    var partition = createAggregator(function(result, value, key) {
+	      result[key ? 0 : 1].push(value);
+	    }, function() { return [[], []]; });
+	
+	    /**
+	     * Reduces `collection` to a value which is the accumulated result of running
+	     * each element in `collection` thru `iteratee`, where each successive
+	     * invocation is supplied the return value of the previous. If `accumulator`
+	     * is not given, the first element of `collection` is used as the initial
+	     * value. The iteratee is invoked with four arguments:
+	     * (accumulator, value, index|key, collection).
+	     *
+	     * Many lodash methods are guarded to work as iteratees for methods like
+	     * `_.reduce`, `_.reduceRight`, and `_.transform`.
+	     *
+	     * The guarded methods are:
+	     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
+	     * and `sortBy`
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @param {*} [accumulator] The initial value.
+	     * @returns {*} Returns the accumulated value.
+	     * @see _.reduceRight
+	     * @example
+	     *
+	     * _.reduce([1, 2], function(sum, n) {
+	     *   return sum + n;
+	     * }, 0);
+	     * // => 3
+	     *
+	     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+	     *   (result[value] || (result[value] = [])).push(key);
+	     *   return result;
+	     * }, {});
+	     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
+	     */
+	    function reduce(collection, iteratee, accumulator) {
+	      var func = isArray(collection) ? arrayReduce : baseReduce,
+	          initAccum = arguments.length < 3;
+	
+	      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
+	    }
+	
+	    /**
+	     * This method is like `_.reduce` except that it iterates over elements of
+	     * `collection` from right to left.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @param {*} [accumulator] The initial value.
+	     * @returns {*} Returns the accumulated value.
+	     * @see _.reduce
+	     * @example
+	     *
+	     * var array = [[0, 1], [2, 3], [4, 5]];
+	     *
+	     * _.reduceRight(array, function(flattened, other) {
+	     *   return flattened.concat(other);
+	     * }, []);
+	     * // => [4, 5, 2, 3, 0, 1]
+	     */
+	    function reduceRight(collection, iteratee, accumulator) {
+	      var func = isArray(collection) ? arrayReduceRight : baseReduce,
+	          initAccum = arguments.length < 3;
+	
+	      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
+	    }
+	
+	    /**
+	     * The opposite of `_.filter`; this method returns the elements of `collection`
+	     * that `predicate` does **not** return truthy for.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the new filtered array.
+	     * @see _.filter
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'age': 36, 'active': false },
+	     *   { 'user': 'fred',   'age': 40, 'active': true }
+	     * ];
+	     *
+	     * _.reject(users, function(o) { return !o.active; });
+	     * // => objects for ['fred']
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.reject(users, { 'age': 40, 'active': true });
+	     * // => objects for ['barney']
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.reject(users, ['active', false]);
+	     * // => objects for ['fred']
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.reject(users, 'active');
+	     * // => objects for ['barney']
+	     */
+	    function reject(collection, predicate) {
+	      var func = isArray(collection) ? arrayFilter : baseFilter;
+	      return func(collection, negate(getIteratee(predicate, 3)));
+	    }
+	
+	    /**
+	     * Gets a random element from `collection`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to sample.
+	     * @returns {*} Returns the random element.
+	     * @example
+	     *
+	     * _.sample([1, 2, 3, 4]);
+	     * // => 2
+	     */
+	    function sample(collection) {
+	      var func = isArray(collection) ? arraySample : baseSample;
+	      return func(collection);
+	    }
+	
+	    /**
+	     * Gets `n` random elements at unique keys from `collection` up to the
+	     * size of `collection`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to sample.
+	     * @param {number} [n=1] The number of elements to sample.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the random elements.
+	     * @example
+	     *
+	     * _.sampleSize([1, 2, 3], 2);
+	     * // => [3, 1]
+	     *
+	     * _.sampleSize([1, 2, 3], 4);
+	     * // => [2, 3, 1]
+	     */
+	    function sampleSize(collection, n, guard) {
+	      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
+	        n = 1;
+	      } else {
+	        n = toInteger(n);
+	      }
+	      var func = isArray(collection) ? arraySampleSize : baseSampleSize;
+	      return func(collection, n);
+	    }
+	
+	    /**
+	     * Creates an array of shuffled values, using a version of the
+	     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to shuffle.
+	     * @returns {Array} Returns the new shuffled array.
+	     * @example
+	     *
+	     * _.shuffle([1, 2, 3, 4]);
+	     * // => [4, 1, 3, 2]
+	     */
+	    function shuffle(collection) {
+	      var func = isArray(collection) ? arrayShuffle : baseShuffle;
+	      return func(collection);
+	    }
+	
+	    /**
+	     * Gets the size of `collection` by returning its length for array-like
+	     * values or the number of own enumerable string keyed properties for objects.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object|string} collection The collection to inspect.
+	     * @returns {number} Returns the collection size.
+	     * @example
+	     *
+	     * _.size([1, 2, 3]);
+	     * // => 3
+	     *
+	     * _.size({ 'a': 1, 'b': 2 });
+	     * // => 2
+	     *
+	     * _.size('pebbles');
+	     * // => 7
+	     */
+	    function size(collection) {
+	      if (collection == null) {
+	        return 0;
+	      }
+	      if (isArrayLike(collection)) {
+	        return isString(collection) ? stringSize(collection) : collection.length;
+	      }
+	      var tag = getTag(collection);
+	      if (tag == mapTag || tag == setTag) {
+	        return collection.size;
+	      }
+	      return baseKeys(collection).length;
+	    }
+	
+	    /**
+	     * Checks if `predicate` returns truthy for **any** element of `collection`.
+	     * Iteration is stopped once `predicate` returns truthy. The predicate is
+	     * invoked with three arguments: (value, index|key, collection).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {boolean} Returns `true` if any element passes the predicate check,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.some([null, 0, 'yes', false], Boolean);
+	     * // => true
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'active': true },
+	     *   { 'user': 'fred',   'active': false }
+	     * ];
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.some(users, { 'user': 'barney', 'active': false });
+	     * // => false
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.some(users, ['active', false]);
+	     * // => true
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.some(users, 'active');
+	     * // => true
+	     */
+	    function some(collection, predicate, guard) {
+	      var func = isArray(collection) ? arraySome : baseSome;
+	      if (guard && isIterateeCall(collection, predicate, guard)) {
+	        predicate = undefined;
+	      }
+	      return func(collection, getIteratee(predicate, 3));
+	    }
+	
+	    /**
+	     * Creates an array of elements, sorted in ascending order by the results of
+	     * running each element in a collection thru each iteratee. This method
+	     * performs a stable sort, that is, it preserves the original sort order of
+	     * equal elements. The iteratees are invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Collection
+	     * @param {Array|Object} collection The collection to iterate over.
+	     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+	     *  The iteratees to sort by.
+	     * @returns {Array} Returns the new sorted array.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'fred',   'age': 48 },
+	     *   { 'user': 'barney', 'age': 36 },
+	     *   { 'user': 'fred',   'age': 40 },
+	     *   { 'user': 'barney', 'age': 34 }
+	     * ];
+	     *
+	     * _.sortBy(users, [function(o) { return o.user; }]);
+	     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
+	     *
+	     * _.sortBy(users, ['user', 'age']);
+	     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
+	     */
+	    var sortBy = baseRest(function(collection, iteratees) {
+	      if (collection == null) {
+	        return [];
+	      }
+	      var length = iteratees.length;
+	      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+	        iteratees = [];
+	      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+	        iteratees = [iteratees[0]];
+	      }
+	      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+	    });
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Gets the timestamp of the number of milliseconds that have elapsed since
+	     * the Unix epoch (1 January 1970 00:00:00 UTC).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.4.0
+	     * @category Date
+	     * @returns {number} Returns the timestamp.
+	     * @example
+	     *
+	     * _.defer(function(stamp) {
+	     *   console.log(_.now() - stamp);
+	     * }, _.now());
+	     * // => Logs the number of milliseconds it took for the deferred invocation.
+	     */
+	    var now = ctxNow || function() {
+	      return root.Date.now();
+	    };
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * The opposite of `_.before`; this method creates a function that invokes
+	     * `func` once it's called `n` or more times.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {number} n The number of calls before `func` is invoked.
+	     * @param {Function} func The function to restrict.
+	     * @returns {Function} Returns the new restricted function.
+	     * @example
+	     *
+	     * var saves = ['profile', 'settings'];
+	     *
+	     * var done = _.after(saves.length, function() {
+	     *   console.log('done saving!');
+	     * });
+	     *
+	     * _.forEach(saves, function(type) {
+	     *   asyncSave({ 'type': type, 'complete': done });
+	     * });
+	     * // => Logs 'done saving!' after the two async saves have completed.
+	     */
+	    function after(n, func) {
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      n = toInteger(n);
+	      return function() {
+	        if (--n < 1) {
+	          return func.apply(this, arguments);
+	        }
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func`, with up to `n` arguments,
+	     * ignoring any additional arguments.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Function
+	     * @param {Function} func The function to cap arguments for.
+	     * @param {number} [n=func.length] The arity cap.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Function} Returns the new capped function.
+	     * @example
+	     *
+	     * _.map(['6', '8', '10'], _.ary(parseInt, 1));
+	     * // => [6, 8, 10]
+	     */
+	    function ary(func, n, guard) {
+	      n = guard ? undefined : n;
+	      n = (func && n == null) ? func.length : n;
+	      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func`, with the `this` binding and arguments
+	     * of the created function, while it's called less than `n` times. Subsequent
+	     * calls to the created function return the result of the last `func` invocation.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Function
+	     * @param {number} n The number of calls at which `func` is no longer invoked.
+	     * @param {Function} func The function to restrict.
+	     * @returns {Function} Returns the new restricted function.
+	     * @example
+	     *
+	     * jQuery(element).on('click', _.before(5, addContactToList));
+	     * // => Allows adding up to 4 contacts to the list.
+	     */
+	    function before(n, func) {
+	      var result;
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      n = toInteger(n);
+	      return function() {
+	        if (--n > 0) {
+	          result = func.apply(this, arguments);
+	        }
+	        if (n <= 1) {
+	          func = undefined;
+	        }
+	        return result;
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func` with the `this` binding of `thisArg`
+	     * and `partials` prepended to the arguments it receives.
+	     *
+	     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
+	     * may be used as a placeholder for partially applied arguments.
+	     *
+	     * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
+	     * property of bound functions.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to bind.
+	     * @param {*} thisArg The `this` binding of `func`.
+	     * @param {...*} [partials] The arguments to be partially applied.
+	     * @returns {Function} Returns the new bound function.
+	     * @example
+	     *
+	     * function greet(greeting, punctuation) {
+	     *   return greeting + ' ' + this.user + punctuation;
+	     * }
+	     *
+	     * var object = { 'user': 'fred' };
+	     *
+	     * var bound = _.bind(greet, object, 'hi');
+	     * bound('!');
+	     * // => 'hi fred!'
+	     *
+	     * // Bound with placeholders.
+	     * var bound = _.bind(greet, object, _, '!');
+	     * bound('hi');
+	     * // => 'hi fred!'
+	     */
+	    var bind = baseRest(function(func, thisArg, partials) {
+	      var bitmask = WRAP_BIND_FLAG;
+	      if (partials.length) {
+	        var holders = replaceHolders(partials, getHolder(bind));
+	        bitmask |= WRAP_PARTIAL_FLAG;
+	      }
+	      return createWrap(func, bitmask, thisArg, partials, holders);
+	    });
+	
+	    /**
+	     * Creates a function that invokes the method at `object[key]` with `partials`
+	     * prepended to the arguments it receives.
+	     *
+	     * This method differs from `_.bind` by allowing bound functions to reference
+	     * methods that may be redefined or don't yet exist. See
+	     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
+	     * for more details.
+	     *
+	     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
+	     * builds, may be used as a placeholder for partially applied arguments.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.10.0
+	     * @category Function
+	     * @param {Object} object The object to invoke the method on.
+	     * @param {string} key The key of the method.
+	     * @param {...*} [partials] The arguments to be partially applied.
+	     * @returns {Function} Returns the new bound function.
+	     * @example
+	     *
+	     * var object = {
+	     *   'user': 'fred',
+	     *   'greet': function(greeting, punctuation) {
+	     *     return greeting + ' ' + this.user + punctuation;
+	     *   }
+	     * };
+	     *
+	     * var bound = _.bindKey(object, 'greet', 'hi');
+	     * bound('!');
+	     * // => 'hi fred!'
+	     *
+	     * object.greet = function(greeting, punctuation) {
+	     *   return greeting + 'ya ' + this.user + punctuation;
+	     * };
+	     *
+	     * bound('!');
+	     * // => 'hiya fred!'
+	     *
+	     * // Bound with placeholders.
+	     * var bound = _.bindKey(object, 'greet', _, '!');
+	     * bound('hi');
+	     * // => 'hiya fred!'
+	     */
+	    var bindKey = baseRest(function(object, key, partials) {
+	      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+	      if (partials.length) {
+	        var holders = replaceHolders(partials, getHolder(bindKey));
+	        bitmask |= WRAP_PARTIAL_FLAG;
+	      }
+	      return createWrap(key, bitmask, object, partials, holders);
+	    });
+	
+	    /**
+	     * Creates a function that accepts arguments of `func` and either invokes
+	     * `func` returning its result, if at least `arity` number of arguments have
+	     * been provided, or returns a function that accepts the remaining `func`
+	     * arguments, and so on. The arity of `func` may be specified if `func.length`
+	     * is not sufficient.
+	     *
+	     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
+	     * may be used as a placeholder for provided arguments.
+	     *
+	     * **Note:** This method doesn't set the "length" property of curried functions.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Function
+	     * @param {Function} func The function to curry.
+	     * @param {number} [arity=func.length] The arity of `func`.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Function} Returns the new curried function.
+	     * @example
+	     *
+	     * var abc = function(a, b, c) {
+	     *   return [a, b, c];
+	     * };
+	     *
+	     * var curried = _.curry(abc);
+	     *
+	     * curried(1)(2)(3);
+	     * // => [1, 2, 3]
+	     *
+	     * curried(1, 2)(3);
+	     * // => [1, 2, 3]
+	     *
+	     * curried(1, 2, 3);
+	     * // => [1, 2, 3]
+	     *
+	     * // Curried with placeholders.
+	     * curried(1)(_, 3)(2);
+	     * // => [1, 2, 3]
+	     */
+	    function curry(func, arity, guard) {
+	      arity = guard ? undefined : arity;
+	      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+	      result.placeholder = curry.placeholder;
+	      return result;
+	    }
+	
+	    /**
+	     * This method is like `_.curry` except that arguments are applied to `func`
+	     * in the manner of `_.partialRight` instead of `_.partial`.
+	     *
+	     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
+	     * builds, may be used as a placeholder for provided arguments.
+	     *
+	     * **Note:** This method doesn't set the "length" property of curried functions.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Function
+	     * @param {Function} func The function to curry.
+	     * @param {number} [arity=func.length] The arity of `func`.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Function} Returns the new curried function.
+	     * @example
+	     *
+	     * var abc = function(a, b, c) {
+	     *   return [a, b, c];
+	     * };
+	     *
+	     * var curried = _.curryRight(abc);
+	     *
+	     * curried(3)(2)(1);
+	     * // => [1, 2, 3]
+	     *
+	     * curried(2, 3)(1);
+	     * // => [1, 2, 3]
+	     *
+	     * curried(1, 2, 3);
+	     * // => [1, 2, 3]
+	     *
+	     * // Curried with placeholders.
+	     * curried(3)(1, _)(2);
+	     * // => [1, 2, 3]
+	     */
+	    function curryRight(func, arity, guard) {
+	      arity = guard ? undefined : arity;
+	      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
+	      result.placeholder = curryRight.placeholder;
+	      return result;
+	    }
+	
+	    /**
+	     * Creates a debounced function that delays invoking `func` until after `wait`
+	     * milliseconds have elapsed since the last time the debounced function was
+	     * invoked. The debounced function comes with a `cancel` method to cancel
+	     * delayed `func` invocations and a `flush` method to immediately invoke them.
+	     * Provide `options` to indicate whether `func` should be invoked on the
+	     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
+	     * with the last arguments provided to the debounced function. Subsequent
+	     * calls to the debounced function return the result of the last `func`
+	     * invocation.
+	     *
+	     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+	     * invoked on the trailing edge of the timeout only if the debounced function
+	     * is invoked more than once during the `wait` timeout.
+	     *
+	     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+	     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+	     *
+	     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+	     * for details over the differences between `_.debounce` and `_.throttle`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to debounce.
+	     * @param {number} [wait=0] The number of milliseconds to delay.
+	     * @param {Object} [options={}] The options object.
+	     * @param {boolean} [options.leading=false]
+	     *  Specify invoking on the leading edge of the timeout.
+	     * @param {number} [options.maxWait]
+	     *  The maximum time `func` is allowed to be delayed before it's invoked.
+	     * @param {boolean} [options.trailing=true]
+	     *  Specify invoking on the trailing edge of the timeout.
+	     * @returns {Function} Returns the new debounced function.
+	     * @example
+	     *
+	     * // Avoid costly calculations while the window size is in flux.
+	     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
+	     *
+	     * // Invoke `sendMail` when clicked, debouncing subsequent calls.
+	     * jQuery(element).on('click', _.debounce(sendMail, 300, {
+	     *   'leading': true,
+	     *   'trailing': false
+	     * }));
+	     *
+	     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
+	     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
+	     * var source = new EventSource('/stream');
+	     * jQuery(source).on('message', debounced);
+	     *
+	     * // Cancel the trailing debounced invocation.
+	     * jQuery(window).on('popstate', debounced.cancel);
+	     */
+	    function debounce(func, wait, options) {
+	      var lastArgs,
+	          lastThis,
+	          maxWait,
+	          result,
+	          timerId,
+	          lastCallTime,
+	          lastInvokeTime = 0,
+	          leading = false,
+	          maxing = false,
+	          trailing = true;
+	
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      wait = toNumber(wait) || 0;
+	      if (isObject(options)) {
+	        leading = !!options.leading;
+	        maxing = 'maxWait' in options;
+	        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
+	        trailing = 'trailing' in options ? !!options.trailing : trailing;
+	      }
+	
+	      function invokeFunc(time) {
+	        var args = lastArgs,
+	            thisArg = lastThis;
+	
+	        lastArgs = lastThis = undefined;
+	        lastInvokeTime = time;
+	        result = func.apply(thisArg, args);
+	        return result;
+	      }
+	
+	      function leadingEdge(time) {
+	        // Reset any `maxWait` timer.
+	        lastInvokeTime = time;
+	        // Start the timer for the trailing edge.
+	        timerId = setTimeout(timerExpired, wait);
+	        // Invoke the leading edge.
+	        return leading ? invokeFunc(time) : result;
+	      }
+	
+	      function remainingWait(time) {
+	        var timeSinceLastCall = time - lastCallTime,
+	            timeSinceLastInvoke = time - lastInvokeTime,
+	            result = wait - timeSinceLastCall;
+	
+	        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
+	      }
+	
+	      function shouldInvoke(time) {
+	        var timeSinceLastCall = time - lastCallTime,
+	            timeSinceLastInvoke = time - lastInvokeTime;
+	
+	        // Either this is the first call, activity has stopped and we're at the
+	        // trailing edge, the system time has gone backwards and we're treating
+	        // it as the trailing edge, or we've hit the `maxWait` limit.
+	        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
+	          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
+	      }
+	
+	      function timerExpired() {
+	        var time = now();
+	        if (shouldInvoke(time)) {
+	          return trailingEdge(time);
+	        }
+	        // Restart the timer.
+	        timerId = setTimeout(timerExpired, remainingWait(time));
+	      }
+	
+	      function trailingEdge(time) {
+	        timerId = undefined;
+	
+	        // Only invoke if we have `lastArgs` which means `func` has been
+	        // debounced at least once.
+	        if (trailing && lastArgs) {
+	          return invokeFunc(time);
+	        }
+	        lastArgs = lastThis = undefined;
+	        return result;
+	      }
+	
+	      function cancel() {
+	        if (timerId !== undefined) {
+	          clearTimeout(timerId);
+	        }
+	        lastInvokeTime = 0;
+	        lastArgs = lastCallTime = lastThis = timerId = undefined;
+	      }
+	
+	      function flush() {
+	        return timerId === undefined ? result : trailingEdge(now());
+	      }
+	
+	      function debounced() {
+	        var time = now(),
+	            isInvoking = shouldInvoke(time);
+	
+	        lastArgs = arguments;
+	        lastThis = this;
+	        lastCallTime = time;
+	
+	        if (isInvoking) {
+	          if (timerId === undefined) {
+	            return leadingEdge(lastCallTime);
+	          }
+	          if (maxing) {
+	            // Handle invocations in a tight loop.
+	            timerId = setTimeout(timerExpired, wait);
+	            return invokeFunc(lastCallTime);
+	          }
+	        }
+	        if (timerId === undefined) {
+	          timerId = setTimeout(timerExpired, wait);
+	        }
+	        return result;
+	      }
+	      debounced.cancel = cancel;
+	      debounced.flush = flush;
+	      return debounced;
+	    }
+	
+	    /**
+	     * Defers invoking the `func` until the current call stack has cleared. Any
+	     * additional arguments are provided to `func` when it's invoked.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to defer.
+	     * @param {...*} [args] The arguments to invoke `func` with.
+	     * @returns {number} Returns the timer id.
+	     * @example
+	     *
+	     * _.defer(function(text) {
+	     *   console.log(text);
+	     * }, 'deferred');
+	     * // => Logs 'deferred' after one millisecond.
+	     */
+	    var defer = baseRest(function(func, args) {
+	      return baseDelay(func, 1, args);
+	    });
+	
+	    /**
+	     * Invokes `func` after `wait` milliseconds. Any additional arguments are
+	     * provided to `func` when it's invoked.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to delay.
+	     * @param {number} wait The number of milliseconds to delay invocation.
+	     * @param {...*} [args] The arguments to invoke `func` with.
+	     * @returns {number} Returns the timer id.
+	     * @example
+	     *
+	     * _.delay(function(text) {
+	     *   console.log(text);
+	     * }, 1000, 'later');
+	     * // => Logs 'later' after one second.
+	     */
+	    var delay = baseRest(function(func, wait, args) {
+	      return baseDelay(func, toNumber(wait) || 0, args);
+	    });
+	
+	    /**
+	     * Creates a function that invokes `func` with arguments reversed.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Function
+	     * @param {Function} func The function to flip arguments for.
+	     * @returns {Function} Returns the new flipped function.
+	     * @example
+	     *
+	     * var flipped = _.flip(function() {
+	     *   return _.toArray(arguments);
+	     * });
+	     *
+	     * flipped('a', 'b', 'c', 'd');
+	     * // => ['d', 'c', 'b', 'a']
+	     */
+	    function flip(func) {
+	      return createWrap(func, WRAP_FLIP_FLAG);
+	    }
+	
+	    /**
+	     * Creates a function that memoizes the result of `func`. If `resolver` is
+	     * provided, it determines the cache key for storing the result based on the
+	     * arguments provided to the memoized function. By default, the first argument
+	     * provided to the memoized function is used as the map cache key. The `func`
+	     * is invoked with the `this` binding of the memoized function.
+	     *
+	     * **Note:** The cache is exposed as the `cache` property on the memoized
+	     * function. Its creation may be customized by replacing the `_.memoize.Cache`
+	     * constructor with one whose instances implement the
+	     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
+	     * method interface of `clear`, `delete`, `get`, `has`, and `set`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to have its output memoized.
+	     * @param {Function} [resolver] The function to resolve the cache key.
+	     * @returns {Function} Returns the new memoized function.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': 2 };
+	     * var other = { 'c': 3, 'd': 4 };
+	     *
+	     * var values = _.memoize(_.values);
+	     * values(object);
+	     * // => [1, 2]
+	     *
+	     * values(other);
+	     * // => [3, 4]
+	     *
+	     * object.a = 2;
+	     * values(object);
+	     * // => [1, 2]
+	     *
+	     * // Modify the result cache.
+	     * values.cache.set(object, ['a', 'b']);
+	     * values(object);
+	     * // => ['a', 'b']
+	     *
+	     * // Replace `_.memoize.Cache`.
+	     * _.memoize.Cache = WeakMap;
+	     */
+	    function memoize(func, resolver) {
+	      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      var memoized = function() {
+	        var args = arguments,
+	            key = resolver ? resolver.apply(this, args) : args[0],
+	            cache = memoized.cache;
+	
+	        if (cache.has(key)) {
+	          return cache.get(key);
+	        }
+	        var result = func.apply(this, args);
+	        memoized.cache = cache.set(key, result) || cache;
+	        return result;
+	      };
+	      memoized.cache = new (memoize.Cache || MapCache);
+	      return memoized;
+	    }
+	
+	    // Expose `MapCache`.
+	    memoize.Cache = MapCache;
+	
+	    /**
+	     * Creates a function that negates the result of the predicate `func`. The
+	     * `func` predicate is invoked with the `this` binding and arguments of the
+	     * created function.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Function
+	     * @param {Function} predicate The predicate to negate.
+	     * @returns {Function} Returns the new negated function.
+	     * @example
+	     *
+	     * function isEven(n) {
+	     *   return n % 2 == 0;
+	     * }
+	     *
+	     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
+	     * // => [1, 3, 5]
+	     */
+	    function negate(predicate) {
+	      if (typeof predicate != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      return function() {
+	        var args = arguments;
+	        switch (args.length) {
+	          case 0: return !predicate.call(this);
+	          case 1: return !predicate.call(this, args[0]);
+	          case 2: return !predicate.call(this, args[0], args[1]);
+	          case 3: return !predicate.call(this, args[0], args[1], args[2]);
+	        }
+	        return !predicate.apply(this, args);
+	      };
+	    }
+	
+	    /**
+	     * Creates a function that is restricted to invoking `func` once. Repeat calls
+	     * to the function return the value of the first invocation. The `func` is
+	     * invoked with the `this` binding and arguments of the created function.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to restrict.
+	     * @returns {Function} Returns the new restricted function.
+	     * @example
+	     *
+	     * var initialize = _.once(createApplication);
+	     * initialize();
+	     * initialize();
+	     * // => `createApplication` is invoked once
+	     */
+	    function once(func) {
+	      return before(2, func);
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func` with its arguments transformed.
+	     *
+	     * @static
+	     * @since 4.0.0
+	     * @memberOf _
+	     * @category Function
+	     * @param {Function} func The function to wrap.
+	     * @param {...(Function|Function[])} [transforms=[_.identity]]
+	     *  The argument transforms.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * function doubled(n) {
+	     *   return n * 2;
+	     * }
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * var func = _.overArgs(function(x, y) {
+	     *   return [x, y];
+	     * }, [square, doubled]);
+	     *
+	     * func(9, 3);
+	     * // => [81, 6]
+	     *
+	     * func(10, 5);
+	     * // => [100, 10]
+	     */
+	    var overArgs = castRest(function(func, transforms) {
+	      transforms = (transforms.length == 1 && isArray(transforms[0]))
+	        ? arrayMap(transforms[0], baseUnary(getIteratee()))
+	        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
+	
+	      var funcsLength = transforms.length;
+	      return baseRest(function(args) {
+	        var index = -1,
+	            length = nativeMin(args.length, funcsLength);
+	
+	        while (++index < length) {
+	          args[index] = transforms[index].call(this, args[index]);
+	        }
+	        return apply(func, this, args);
+	      });
+	    });
+	
+	    /**
+	     * Creates a function that invokes `func` with `partials` prepended to the
+	     * arguments it receives. This method is like `_.bind` except it does **not**
+	     * alter the `this` binding.
+	     *
+	     * The `_.partial.placeholder` value, which defaults to `_` in monolithic
+	     * builds, may be used as a placeholder for partially applied arguments.
+	     *
+	     * **Note:** This method doesn't set the "length" property of partially
+	     * applied functions.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.2.0
+	     * @category Function
+	     * @param {Function} func The function to partially apply arguments to.
+	     * @param {...*} [partials] The arguments to be partially applied.
+	     * @returns {Function} Returns the new partially applied function.
+	     * @example
+	     *
+	     * function greet(greeting, name) {
+	     *   return greeting + ' ' + name;
+	     * }
+	     *
+	     * var sayHelloTo = _.partial(greet, 'hello');
+	     * sayHelloTo('fred');
+	     * // => 'hello fred'
+	     *
+	     * // Partially applied with placeholders.
+	     * var greetFred = _.partial(greet, _, 'fred');
+	     * greetFred('hi');
+	     * // => 'hi fred'
+	     */
+	    var partial = baseRest(function(func, partials) {
+	      var holders = replaceHolders(partials, getHolder(partial));
+	      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
+	    });
+	
+	    /**
+	     * This method is like `_.partial` except that partially applied arguments
+	     * are appended to the arguments it receives.
+	     *
+	     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
+	     * builds, may be used as a placeholder for partially applied arguments.
+	     *
+	     * **Note:** This method doesn't set the "length" property of partially
+	     * applied functions.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.0.0
+	     * @category Function
+	     * @param {Function} func The function to partially apply arguments to.
+	     * @param {...*} [partials] The arguments to be partially applied.
+	     * @returns {Function} Returns the new partially applied function.
+	     * @example
+	     *
+	     * function greet(greeting, name) {
+	     *   return greeting + ' ' + name;
+	     * }
+	     *
+	     * var greetFred = _.partialRight(greet, 'fred');
+	     * greetFred('hi');
+	     * // => 'hi fred'
+	     *
+	     * // Partially applied with placeholders.
+	     * var sayHelloTo = _.partialRight(greet, 'hello', _);
+	     * sayHelloTo('fred');
+	     * // => 'hello fred'
+	     */
+	    var partialRight = baseRest(function(func, partials) {
+	      var holders = replaceHolders(partials, getHolder(partialRight));
+	      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
+	    });
+	
+	    /**
+	     * Creates a function that invokes `func` with arguments arranged according
+	     * to the specified `indexes` where the argument value at the first index is
+	     * provided as the first argument, the argument value at the second index is
+	     * provided as the second argument, and so on.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Function
+	     * @param {Function} func The function to rearrange arguments for.
+	     * @param {...(number|number[])} indexes The arranged argument indexes.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var rearged = _.rearg(function(a, b, c) {
+	     *   return [a, b, c];
+	     * }, [2, 0, 1]);
+	     *
+	     * rearged('b', 'c', 'a')
+	     * // => ['a', 'b', 'c']
+	     */
+	    var rearg = flatRest(function(func, indexes) {
+	      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
+	    });
+	
+	    /**
+	     * Creates a function that invokes `func` with the `this` binding of the
+	     * created function and arguments from `start` and beyond provided as
+	     * an array.
+	     *
+	     * **Note:** This method is based on the
+	     * [rest parameter](https://mdn.io/rest_parameters).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Function
+	     * @param {Function} func The function to apply a rest parameter to.
+	     * @param {number} [start=func.length-1] The start position of the rest parameter.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var say = _.rest(function(what, names) {
+	     *   return what + ' ' + _.initial(names).join(', ') +
+	     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
+	     * });
+	     *
+	     * say('hello', 'fred', 'barney', 'pebbles');
+	     * // => 'hello fred, barney, & pebbles'
+	     */
+	    function rest(func, start) {
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      start = start === undefined ? start : toInteger(start);
+	      return baseRest(func, start);
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func` with the `this` binding of the
+	     * create function and an array of arguments much like
+	     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
+	     *
+	     * **Note:** This method is based on the
+	     * [spread operator](https://mdn.io/spread_operator).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.2.0
+	     * @category Function
+	     * @param {Function} func The function to spread arguments over.
+	     * @param {number} [start=0] The start position of the spread.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var say = _.spread(function(who, what) {
+	     *   return who + ' says ' + what;
+	     * });
+	     *
+	     * say(['fred', 'hello']);
+	     * // => 'fred says hello'
+	     *
+	     * var numbers = Promise.all([
+	     *   Promise.resolve(40),
+	     *   Promise.resolve(36)
+	     * ]);
+	     *
+	     * numbers.then(_.spread(function(x, y) {
+	     *   return x + y;
+	     * }));
+	     * // => a Promise of 76
+	     */
+	    function spread(func, start) {
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      start = start == null ? 0 : nativeMax(toInteger(start), 0);
+	      return baseRest(function(args) {
+	        var array = args[start],
+	            otherArgs = castSlice(args, 0, start);
+	
+	        if (array) {
+	          arrayPush(otherArgs, array);
+	        }
+	        return apply(func, this, otherArgs);
+	      });
+	    }
+	
+	    /**
+	     * Creates a throttled function that only invokes `func` at most once per
+	     * every `wait` milliseconds. The throttled function comes with a `cancel`
+	     * method to cancel delayed `func` invocations and a `flush` method to
+	     * immediately invoke them. Provide `options` to indicate whether `func`
+	     * should be invoked on the leading and/or trailing edge of the `wait`
+	     * timeout. The `func` is invoked with the last arguments provided to the
+	     * throttled function. Subsequent calls to the throttled function return the
+	     * result of the last `func` invocation.
+	     *
+	     * **Note:** If `leading` and `trailing` options are `true`, `func` is
+	     * invoked on the trailing edge of the timeout only if the throttled function
+	     * is invoked more than once during the `wait` timeout.
+	     *
+	     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
+	     * until to the next tick, similar to `setTimeout` with a timeout of `0`.
+	     *
+	     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
+	     * for details over the differences between `_.throttle` and `_.debounce`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {Function} func The function to throttle.
+	     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
+	     * @param {Object} [options={}] The options object.
+	     * @param {boolean} [options.leading=true]
+	     *  Specify invoking on the leading edge of the timeout.
+	     * @param {boolean} [options.trailing=true]
+	     *  Specify invoking on the trailing edge of the timeout.
+	     * @returns {Function} Returns the new throttled function.
+	     * @example
+	     *
+	     * // Avoid excessively updating the position while scrolling.
+	     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
+	     *
+	     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
+	     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
+	     * jQuery(element).on('click', throttled);
+	     *
+	     * // Cancel the trailing throttled invocation.
+	     * jQuery(window).on('popstate', throttled.cancel);
+	     */
+	    function throttle(func, wait, options) {
+	      var leading = true,
+	          trailing = true;
+	
+	      if (typeof func != 'function') {
+	        throw new TypeError(FUNC_ERROR_TEXT);
+	      }
+	      if (isObject(options)) {
+	        leading = 'leading' in options ? !!options.leading : leading;
+	        trailing = 'trailing' in options ? !!options.trailing : trailing;
+	      }
+	      return debounce(func, wait, {
+	        'leading': leading,
+	        'maxWait': wait,
+	        'trailing': trailing
+	      });
+	    }
+	
+	    /**
+	     * Creates a function that accepts up to one argument, ignoring any
+	     * additional arguments.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Function
+	     * @param {Function} func The function to cap arguments for.
+	     * @returns {Function} Returns the new capped function.
+	     * @example
+	     *
+	     * _.map(['6', '8', '10'], _.unary(parseInt));
+	     * // => [6, 8, 10]
+	     */
+	    function unary(func) {
+	      return ary(func, 1);
+	    }
+	
+	    /**
+	     * Creates a function that provides `value` to `wrapper` as its first
+	     * argument. Any additional arguments provided to the function are appended
+	     * to those provided to the `wrapper`. The wrapper is invoked with the `this`
+	     * binding of the created function.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Function
+	     * @param {*} value The value to wrap.
+	     * @param {Function} [wrapper=identity] The wrapper function.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var p = _.wrap(_.escape, function(func, text) {
+	     *   return '<p>' + func(text) + '</p>';
+	     * });
+	     *
+	     * p('fred, barney, & pebbles');
+	     * // => '<p>fred, barney, &amp; pebbles</p>'
+	     */
+	    function wrap(value, wrapper) {
+	      return partial(castFunction(wrapper), value);
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Casts `value` as an array if it's not one.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.4.0
+	     * @category Lang
+	     * @param {*} value The value to inspect.
+	     * @returns {Array} Returns the cast array.
+	     * @example
+	     *
+	     * _.castArray(1);
+	     * // => [1]
+	     *
+	     * _.castArray({ 'a': 1 });
+	     * // => [{ 'a': 1 }]
+	     *
+	     * _.castArray('abc');
+	     * // => ['abc']
+	     *
+	     * _.castArray(null);
+	     * // => [null]
+	     *
+	     * _.castArray(undefined);
+	     * // => [undefined]
+	     *
+	     * _.castArray();
+	     * // => []
+	     *
+	     * var array = [1, 2, 3];
+	     * console.log(_.castArray(array) === array);
+	     * // => true
+	     */
+	    function castArray() {
+	      if (!arguments.length) {
+	        return [];
+	      }
+	      var value = arguments[0];
+	      return isArray(value) ? value : [value];
+	    }
+	
+	    /**
+	     * Creates a shallow clone of `value`.
+	     *
+	     * **Note:** This method is loosely based on the
+	     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
+	     * and supports cloning arrays, array buffers, booleans, date objects, maps,
+	     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
+	     * arrays. The own enumerable properties of `arguments` objects are cloned
+	     * as plain objects. An empty object is returned for uncloneable values such
+	     * as error objects, functions, DOM nodes, and WeakMaps.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to clone.
+	     * @returns {*} Returns the cloned value.
+	     * @see _.cloneDeep
+	     * @example
+	     *
+	     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+	     *
+	     * var shallow = _.clone(objects);
+	     * console.log(shallow[0] === objects[0]);
+	     * // => true
+	     */
+	    function clone(value) {
+	      return baseClone(value, CLONE_SYMBOLS_FLAG);
+	    }
+	
+	    /**
+	     * This method is like `_.clone` except that it accepts `customizer` which
+	     * is invoked to produce the cloned value. If `customizer` returns `undefined`,
+	     * cloning is handled by the method instead. The `customizer` is invoked with
+	     * up to four arguments; (value [, index|key, object, stack]).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to clone.
+	     * @param {Function} [customizer] The function to customize cloning.
+	     * @returns {*} Returns the cloned value.
+	     * @see _.cloneDeepWith
+	     * @example
+	     *
+	     * function customizer(value) {
+	     *   if (_.isElement(value)) {
+	     *     return value.cloneNode(false);
+	     *   }
+	     * }
+	     *
+	     * var el = _.cloneWith(document.body, customizer);
+	     *
+	     * console.log(el === document.body);
+	     * // => false
+	     * console.log(el.nodeName);
+	     * // => 'BODY'
+	     * console.log(el.childNodes.length);
+	     * // => 0
+	     */
+	    function cloneWith(value, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+	    }
+	
+	    /**
+	     * This method is like `_.clone` except that it recursively clones `value`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.0.0
+	     * @category Lang
+	     * @param {*} value The value to recursively clone.
+	     * @returns {*} Returns the deep cloned value.
+	     * @see _.clone
+	     * @example
+	     *
+	     * var objects = [{ 'a': 1 }, { 'b': 2 }];
+	     *
+	     * var deep = _.cloneDeep(objects);
+	     * console.log(deep[0] === objects[0]);
+	     * // => false
+	     */
+	    function cloneDeep(value) {
+	      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+	    }
+	
+	    /**
+	     * This method is like `_.cloneWith` except that it recursively clones `value`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to recursively clone.
+	     * @param {Function} [customizer] The function to customize cloning.
+	     * @returns {*} Returns the deep cloned value.
+	     * @see _.cloneWith
+	     * @example
+	     *
+	     * function customizer(value) {
+	     *   if (_.isElement(value)) {
+	     *     return value.cloneNode(true);
+	     *   }
+	     * }
+	     *
+	     * var el = _.cloneDeepWith(document.body, customizer);
+	     *
+	     * console.log(el === document.body);
+	     * // => false
+	     * console.log(el.nodeName);
+	     * // => 'BODY'
+	     * console.log(el.childNodes.length);
+	     * // => 20
+	     */
+	    function cloneDeepWith(value, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+	    }
+	
+	    /**
+	     * Checks if `object` conforms to `source` by invoking the predicate
+	     * properties of `source` with the corresponding property values of `object`.
+	     *
+	     * **Note:** This method is equivalent to `_.conforms` when `source` is
+	     * partially applied.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.14.0
+	     * @category Lang
+	     * @param {Object} object The object to inspect.
+	     * @param {Object} source The object of property predicates to conform to.
+	     * @returns {boolean} Returns `true` if `object` conforms, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': 2 };
+	     *
+	     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
+	     * // => true
+	     *
+	     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
+	     * // => false
+	     */
+	    function conformsTo(object, source) {
+	      return source == null || baseConformsTo(object, source, keys(source));
+	    }
+	
+	    /**
+	     * Performs a
+	     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
+	     * comparison between two values to determine if they are equivalent.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': 1 };
+	     * var other = { 'a': 1 };
+	     *
+	     * _.eq(object, object);
+	     * // => true
+	     *
+	     * _.eq(object, other);
+	     * // => false
+	     *
+	     * _.eq('a', 'a');
+	     * // => true
+	     *
+	     * _.eq('a', Object('a'));
+	     * // => false
+	     *
+	     * _.eq(NaN, NaN);
+	     * // => true
+	     */
+	    function eq(value, other) {
+	      return value === other || (value !== value && other !== other);
+	    }
+	
+	    /**
+	     * Checks if `value` is greater than `other`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.9.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is greater than `other`,
+	     *  else `false`.
+	     * @see _.lt
+	     * @example
+	     *
+	     * _.gt(3, 1);
+	     * // => true
+	     *
+	     * _.gt(3, 3);
+	     * // => false
+	     *
+	     * _.gt(1, 3);
+	     * // => false
+	     */
+	    var gt = createRelationalOperation(baseGt);
+	
+	    /**
+	     * Checks if `value` is greater than or equal to `other`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.9.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is greater than or equal to
+	     *  `other`, else `false`.
+	     * @see _.lte
+	     * @example
+	     *
+	     * _.gte(3, 1);
+	     * // => true
+	     *
+	     * _.gte(3, 3);
+	     * // => true
+	     *
+	     * _.gte(1, 3);
+	     * // => false
+	     */
+	    var gte = createRelationalOperation(function(value, other) {
+	      return value >= other;
+	    });
+	
+	    /**
+	     * Checks if `value` is likely an `arguments` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.isArguments(function() { return arguments; }());
+	     * // => true
+	     *
+	     * _.isArguments([1, 2, 3]);
+	     * // => false
+	     */
+	    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
+	      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+	        !propertyIsEnumerable.call(value, 'callee');
+	    };
+	
+	    /**
+	     * Checks if `value` is classified as an `Array` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+	     * @example
+	     *
+	     * _.isArray([1, 2, 3]);
+	     * // => true
+	     *
+	     * _.isArray(document.body.children);
+	     * // => false
+	     *
+	     * _.isArray('abc');
+	     * // => false
+	     *
+	     * _.isArray(_.noop);
+	     * // => false
+	     */
+	    var isArray = Array.isArray;
+	
+	    /**
+	     * Checks if `value` is classified as an `ArrayBuffer` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
+	     * @example
+	     *
+	     * _.isArrayBuffer(new ArrayBuffer(2));
+	     * // => true
+	     *
+	     * _.isArrayBuffer(new Array(2));
+	     * // => false
+	     */
+	    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+	
+	    /**
+	     * Checks if `value` is array-like. A value is considered array-like if it's
+	     * not a function and has a `value.length` that's an integer greater than or
+	     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
+	     * @example
+	     *
+	     * _.isArrayLike([1, 2, 3]);
+	     * // => true
+	     *
+	     * _.isArrayLike(document.body.children);
+	     * // => true
+	     *
+	     * _.isArrayLike('abc');
+	     * // => true
+	     *
+	     * _.isArrayLike(_.noop);
+	     * // => false
+	     */
+	    function isArrayLike(value) {
+	      return value != null && isLength(value.length) && !isFunction(value);
+	    }
+	
+	    /**
+	     * This method is like `_.isArrayLike` except that it also checks if `value`
+	     * is an object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an array-like object,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.isArrayLikeObject([1, 2, 3]);
+	     * // => true
+	     *
+	     * _.isArrayLikeObject(document.body.children);
+	     * // => true
+	     *
+	     * _.isArrayLikeObject('abc');
+	     * // => false
+	     *
+	     * _.isArrayLikeObject(_.noop);
+	     * // => false
+	     */
+	    function isArrayLikeObject(value) {
+	      return isObjectLike(value) && isArrayLike(value);
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a boolean primitive or object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
+	     * @example
+	     *
+	     * _.isBoolean(false);
+	     * // => true
+	     *
+	     * _.isBoolean(null);
+	     * // => false
+	     */
+	    function isBoolean(value) {
+	      return value === true || value === false ||
+	        (isObjectLike(value) && baseGetTag(value) == boolTag);
+	    }
+	
+	    /**
+	     * Checks if `value` is a buffer.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
+	     * @example
+	     *
+	     * _.isBuffer(new Buffer(2));
+	     * // => true
+	     *
+	     * _.isBuffer(new Uint8Array(2));
+	     * // => false
+	     */
+	    var isBuffer = nativeIsBuffer || stubFalse;
+	
+	    /**
+	     * Checks if `value` is classified as a `Date` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
+	     * @example
+	     *
+	     * _.isDate(new Date);
+	     * // => true
+	     *
+	     * _.isDate('Mon April 23 2012');
+	     * // => false
+	     */
+	    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+	
+	    /**
+	     * Checks if `value` is likely a DOM element.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
+	     * @example
+	     *
+	     * _.isElement(document.body);
+	     * // => true
+	     *
+	     * _.isElement('<body>');
+	     * // => false
+	     */
+	    function isElement(value) {
+	      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
+	    }
+	
+	    /**
+	     * Checks if `value` is an empty object, collection, map, or set.
+	     *
+	     * Objects are considered empty if they have no own enumerable string keyed
+	     * properties.
+	     *
+	     * Array-like values such as `arguments` objects, arrays, buffers, strings, or
+	     * jQuery-like collections are considered empty if they have a `length` of `0`.
+	     * Similarly, maps and sets are considered empty if they have a `size` of `0`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is empty, else `false`.
+	     * @example
+	     *
+	     * _.isEmpty(null);
+	     * // => true
+	     *
+	     * _.isEmpty(true);
+	     * // => true
+	     *
+	     * _.isEmpty(1);
+	     * // => true
+	     *
+	     * _.isEmpty([1, 2, 3]);
+	     * // => false
+	     *
+	     * _.isEmpty({ 'a': 1 });
+	     * // => false
+	     */
+	    function isEmpty(value) {
+	      if (value == null) {
+	        return true;
+	      }
+	      if (isArrayLike(value) &&
+	          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
+	            isBuffer(value) || isTypedArray(value) || isArguments(value))) {
+	        return !value.length;
+	      }
+	      var tag = getTag(value);
+	      if (tag == mapTag || tag == setTag) {
+	        return !value.size;
+	      }
+	      if (isPrototype(value)) {
+	        return !baseKeys(value).length;
+	      }
+	      for (var key in value) {
+	        if (hasOwnProperty.call(value, key)) {
+	          return false;
+	        }
+	      }
+	      return true;
+	    }
+	
+	    /**
+	     * Performs a deep comparison between two values to determine if they are
+	     * equivalent.
+	     *
+	     * **Note:** This method supports comparing arrays, array buffers, booleans,
+	     * date objects, error objects, maps, numbers, `Object` objects, regexes,
+	     * sets, strings, symbols, and typed arrays. `Object` objects are compared
+	     * by their own, not inherited, enumerable properties. Functions and DOM
+	     * nodes are compared by strict equality, i.e. `===`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': 1 };
+	     * var other = { 'a': 1 };
+	     *
+	     * _.isEqual(object, other);
+	     * // => true
+	     *
+	     * object === other;
+	     * // => false
+	     */
+	    function isEqual(value, other) {
+	      return baseIsEqual(value, other);
+	    }
+	
+	    /**
+	     * This method is like `_.isEqual` except that it accepts `customizer` which
+	     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+	     * are handled by the method instead. The `customizer` is invoked with up to
+	     * six arguments: (objValue, othValue [, index|key, object, other, stack]).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @param {Function} [customizer] The function to customize comparisons.
+	     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
+	     * @example
+	     *
+	     * function isGreeting(value) {
+	     *   return /^h(?:i|ello)$/.test(value);
+	     * }
+	     *
+	     * function customizer(objValue, othValue) {
+	     *   if (isGreeting(objValue) && isGreeting(othValue)) {
+	     *     return true;
+	     *   }
+	     * }
+	     *
+	     * var array = ['hello', 'goodbye'];
+	     * var other = ['hi', 'goodbye'];
+	     *
+	     * _.isEqualWith(array, other, customizer);
+	     * // => true
+	     */
+	    function isEqualWith(value, other, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      var result = customizer ? customizer(value, other) : undefined;
+	      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+	    }
+	
+	    /**
+	     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
+	     * `SyntaxError`, `TypeError`, or `URIError` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
+	     * @example
+	     *
+	     * _.isError(new Error);
+	     * // => true
+	     *
+	     * _.isError(Error);
+	     * // => false
+	     */
+	    function isError(value) {
+	      if (!isObjectLike(value)) {
+	        return false;
+	      }
+	      var tag = baseGetTag(value);
+	      return tag == errorTag || tag == domExcTag ||
+	        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+	    }
+	
+	    /**
+	     * Checks if `value` is a finite primitive number.
+	     *
+	     * **Note:** This method is based on
+	     * [`Number.isFinite`](https://mdn.io/Number/isFinite).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
+	     * @example
+	     *
+	     * _.isFinite(3);
+	     * // => true
+	     *
+	     * _.isFinite(Number.MIN_VALUE);
+	     * // => true
+	     *
+	     * _.isFinite(Infinity);
+	     * // => false
+	     *
+	     * _.isFinite('3');
+	     * // => false
+	     */
+	    function isFinite(value) {
+	      return typeof value == 'number' && nativeIsFinite(value);
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `Function` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a function, else `false`.
+	     * @example
+	     *
+	     * _.isFunction(_);
+	     * // => true
+	     *
+	     * _.isFunction(/abc/);
+	     * // => false
+	     */
+	    function isFunction(value) {
+	      if (!isObject(value)) {
+	        return false;
+	      }
+	      // The use of `Object#toString` avoids issues with the `typeof` operator
+	      // in Safari 9 which returns 'object' for typed arrays and other constructors.
+	      var tag = baseGetTag(value);
+	      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+	    }
+	
+	    /**
+	     * Checks if `value` is an integer.
+	     *
+	     * **Note:** This method is based on
+	     * [`Number.isInteger`](https://mdn.io/Number/isInteger).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
+	     * @example
+	     *
+	     * _.isInteger(3);
+	     * // => true
+	     *
+	     * _.isInteger(Number.MIN_VALUE);
+	     * // => false
+	     *
+	     * _.isInteger(Infinity);
+	     * // => false
+	     *
+	     * _.isInteger('3');
+	     * // => false
+	     */
+	    function isInteger(value) {
+	      return typeof value == 'number' && value == toInteger(value);
+	    }
+	
+	    /**
+	     * Checks if `value` is a valid array-like length.
+	     *
+	     * **Note:** This method is loosely based on
+	     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
+	     * @example
+	     *
+	     * _.isLength(3);
+	     * // => true
+	     *
+	     * _.isLength(Number.MIN_VALUE);
+	     * // => false
+	     *
+	     * _.isLength(Infinity);
+	     * // => false
+	     *
+	     * _.isLength('3');
+	     * // => false
+	     */
+	    function isLength(value) {
+	      return typeof value == 'number' &&
+	        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
+	    }
+	
+	    /**
+	     * Checks if `value` is the
+	     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
+	     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is an object, else `false`.
+	     * @example
+	     *
+	     * _.isObject({});
+	     * // => true
+	     *
+	     * _.isObject([1, 2, 3]);
+	     * // => true
+	     *
+	     * _.isObject(_.noop);
+	     * // => true
+	     *
+	     * _.isObject(null);
+	     * // => false
+	     */
+	    function isObject(value) {
+	      var type = typeof value;
+	      return value != null && (type == 'object' || type == 'function');
+	    }
+	
+	    /**
+	     * Checks if `value` is object-like. A value is object-like if it's not `null`
+	     * and has a `typeof` result of "object".
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+	     * @example
+	     *
+	     * _.isObjectLike({});
+	     * // => true
+	     *
+	     * _.isObjectLike([1, 2, 3]);
+	     * // => true
+	     *
+	     * _.isObjectLike(_.noop);
+	     * // => false
+	     *
+	     * _.isObjectLike(null);
+	     * // => false
+	     */
+	    function isObjectLike(value) {
+	      return value != null && typeof value == 'object';
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `Map` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a map, else `false`.
+	     * @example
+	     *
+	     * _.isMap(new Map);
+	     * // => true
+	     *
+	     * _.isMap(new WeakMap);
+	     * // => false
+	     */
+	    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+	
+	    /**
+	     * Performs a partial deep comparison between `object` and `source` to
+	     * determine if `object` contains equivalent property values.
+	     *
+	     * **Note:** This method is equivalent to `_.matches` when `source` is
+	     * partially applied.
+	     *
+	     * Partial comparisons will match empty array and empty object `source`
+	     * values against any array or object value, respectively. See `_.isEqual`
+	     * for a list of supported value comparisons.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Lang
+	     * @param {Object} object The object to inspect.
+	     * @param {Object} source The object of property values to match.
+	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': 2 };
+	     *
+	     * _.isMatch(object, { 'b': 2 });
+	     * // => true
+	     *
+	     * _.isMatch(object, { 'b': 1 });
+	     * // => false
+	     */
+	    function isMatch(object, source) {
+	      return object === source || baseIsMatch(object, source, getMatchData(source));
+	    }
+	
+	    /**
+	     * This method is like `_.isMatch` except that it accepts `customizer` which
+	     * is invoked to compare values. If `customizer` returns `undefined`, comparisons
+	     * are handled by the method instead. The `customizer` is invoked with five
+	     * arguments: (objValue, srcValue, index|key, object, source).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {Object} object The object to inspect.
+	     * @param {Object} source The object of property values to match.
+	     * @param {Function} [customizer] The function to customize comparisons.
+	     * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+	     * @example
+	     *
+	     * function isGreeting(value) {
+	     *   return /^h(?:i|ello)$/.test(value);
+	     * }
+	     *
+	     * function customizer(objValue, srcValue) {
+	     *   if (isGreeting(objValue) && isGreeting(srcValue)) {
+	     *     return true;
+	     *   }
+	     * }
+	     *
+	     * var object = { 'greeting': 'hello' };
+	     * var source = { 'greeting': 'hi' };
+	     *
+	     * _.isMatchWith(object, source, customizer);
+	     * // => true
+	     */
+	    function isMatchWith(object, source, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      return baseIsMatch(object, source, getMatchData(source), customizer);
+	    }
+	
+	    /**
+	     * Checks if `value` is `NaN`.
+	     *
+	     * **Note:** This method is based on
+	     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+	     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+	     * `undefined` and other non-number values.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+	     * @example
+	     *
+	     * _.isNaN(NaN);
+	     * // => true
+	     *
+	     * _.isNaN(new Number(NaN));
+	     * // => true
+	     *
+	     * isNaN(undefined);
+	     * // => true
+	     *
+	     * _.isNaN(undefined);
+	     * // => false
+	     */
+	    function isNaN(value) {
+	      // An `NaN` primitive is the only value that is not equal to itself.
+	      // Perform the `toStringTag` check first to avoid errors with some
+	      // ActiveX objects in IE.
+	      return isNumber(value) && value != +value;
+	    }
+	
+	    /**
+	     * Checks if `value` is a pristine native function.
+	     *
+	     * **Note:** This method can't reliably detect native functions in the presence
+	     * of the core-js package because core-js circumvents this kind of detection.
+	     * Despite multiple requests, the core-js maintainer has made it clear: any
+	     * attempt to fix the detection will be obstructed. As a result, we're left
+	     * with little choice but to throw an error. Unfortunately, this also affects
+	     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
+	     * which rely on core-js.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a native function,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.isNative(Array.prototype.push);
+	     * // => true
+	     *
+	     * _.isNative(_);
+	     * // => false
+	     */
+	    function isNative(value) {
+	      if (isMaskable(value)) {
+	        throw new Error(CORE_ERROR_TEXT);
+	      }
+	      return baseIsNative(value);
+	    }
+	
+	    /**
+	     * Checks if `value` is `null`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
+	     * @example
+	     *
+	     * _.isNull(null);
+	     * // => true
+	     *
+	     * _.isNull(void 0);
+	     * // => false
+	     */
+	    function isNull(value) {
+	      return value === null;
+	    }
+	
+	    /**
+	     * Checks if `value` is `null` or `undefined`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
+	     * @example
+	     *
+	     * _.isNil(null);
+	     * // => true
+	     *
+	     * _.isNil(void 0);
+	     * // => true
+	     *
+	     * _.isNil(NaN);
+	     * // => false
+	     */
+	    function isNil(value) {
+	      return value == null;
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `Number` primitive or object.
+	     *
+	     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
+	     * classified as numbers, use the `_.isFinite` method.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a number, else `false`.
+	     * @example
+	     *
+	     * _.isNumber(3);
+	     * // => true
+	     *
+	     * _.isNumber(Number.MIN_VALUE);
+	     * // => true
+	     *
+	     * _.isNumber(Infinity);
+	     * // => true
+	     *
+	     * _.isNumber('3');
+	     * // => false
+	     */
+	    function isNumber(value) {
+	      return typeof value == 'number' ||
+	        (isObjectLike(value) && baseGetTag(value) == numberTag);
+	    }
+	
+	    /**
+	     * Checks if `value` is a plain object, that is, an object created by the
+	     * `Object` constructor or one with a `[[Prototype]]` of `null`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.8.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     * }
+	     *
+	     * _.isPlainObject(new Foo);
+	     * // => false
+	     *
+	     * _.isPlainObject([1, 2, 3]);
+	     * // => false
+	     *
+	     * _.isPlainObject({ 'x': 0, 'y': 0 });
+	     * // => true
+	     *
+	     * _.isPlainObject(Object.create(null));
+	     * // => true
+	     */
+	    function isPlainObject(value) {
+	      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+	        return false;
+	      }
+	      var proto = getPrototype(value);
+	      if (proto === null) {
+	        return true;
+	      }
+	      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+	      return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+	        funcToString.call(Ctor) == objectCtorString;
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `RegExp` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.1.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
+	     * @example
+	     *
+	     * _.isRegExp(/abc/);
+	     * // => true
+	     *
+	     * _.isRegExp('/abc/');
+	     * // => false
+	     */
+	    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+	
+	    /**
+	     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
+	     * double precision number which isn't the result of a rounded unsafe integer.
+	     *
+	     * **Note:** This method is based on
+	     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
+	     * @example
+	     *
+	     * _.isSafeInteger(3);
+	     * // => true
+	     *
+	     * _.isSafeInteger(Number.MIN_VALUE);
+	     * // => false
+	     *
+	     * _.isSafeInteger(Infinity);
+	     * // => false
+	     *
+	     * _.isSafeInteger('3');
+	     * // => false
+	     */
+	    function isSafeInteger(value) {
+	      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `Set` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a set, else `false`.
+	     * @example
+	     *
+	     * _.isSet(new Set);
+	     * // => true
+	     *
+	     * _.isSet(new WeakSet);
+	     * // => false
+	     */
+	    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+	
+	    /**
+	     * Checks if `value` is classified as a `String` primitive or object.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+	     * @example
+	     *
+	     * _.isString('abc');
+	     * // => true
+	     *
+	     * _.isString(1);
+	     * // => false
+	     */
+	    function isString(value) {
+	      return typeof value == 'string' ||
+	        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `Symbol` primitive or object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
+	     * @example
+	     *
+	     * _.isSymbol(Symbol.iterator);
+	     * // => true
+	     *
+	     * _.isSymbol('abc');
+	     * // => false
+	     */
+	    function isSymbol(value) {
+	      return typeof value == 'symbol' ||
+	        (isObjectLike(value) && baseGetTag(value) == symbolTag);
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a typed array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
+	     * @example
+	     *
+	     * _.isTypedArray(new Uint8Array);
+	     * // => true
+	     *
+	     * _.isTypedArray([]);
+	     * // => false
+	     */
+	    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+	
+	    /**
+	     * Checks if `value` is `undefined`.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
+	     * @example
+	     *
+	     * _.isUndefined(void 0);
+	     * // => true
+	     *
+	     * _.isUndefined(null);
+	     * // => false
+	     */
+	    function isUndefined(value) {
+	      return value === undefined;
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `WeakMap` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
+	     * @example
+	     *
+	     * _.isWeakMap(new WeakMap);
+	     * // => true
+	     *
+	     * _.isWeakMap(new Map);
+	     * // => false
+	     */
+	    function isWeakMap(value) {
+	      return isObjectLike(value) && getTag(value) == weakMapTag;
+	    }
+	
+	    /**
+	     * Checks if `value` is classified as a `WeakSet` object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.3.0
+	     * @category Lang
+	     * @param {*} value The value to check.
+	     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
+	     * @example
+	     *
+	     * _.isWeakSet(new WeakSet);
+	     * // => true
+	     *
+	     * _.isWeakSet(new Set);
+	     * // => false
+	     */
+	    function isWeakSet(value) {
+	      return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+	    }
+	
+	    /**
+	     * Checks if `value` is less than `other`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.9.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is less than `other`,
+	     *  else `false`.
+	     * @see _.gt
+	     * @example
+	     *
+	     * _.lt(1, 3);
+	     * // => true
+	     *
+	     * _.lt(3, 3);
+	     * // => false
+	     *
+	     * _.lt(3, 1);
+	     * // => false
+	     */
+	    var lt = createRelationalOperation(baseLt);
+	
+	    /**
+	     * Checks if `value` is less than or equal to `other`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.9.0
+	     * @category Lang
+	     * @param {*} value The value to compare.
+	     * @param {*} other The other value to compare.
+	     * @returns {boolean} Returns `true` if `value` is less than or equal to
+	     *  `other`, else `false`.
+	     * @see _.gte
+	     * @example
+	     *
+	     * _.lte(1, 3);
+	     * // => true
+	     *
+	     * _.lte(3, 3);
+	     * // => true
+	     *
+	     * _.lte(3, 1);
+	     * // => false
+	     */
+	    var lte = createRelationalOperation(function(value, other) {
+	      return value <= other;
+	    });
+	
+	    /**
+	     * Converts `value` to an array.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {Array} Returns the converted array.
+	     * @example
+	     *
+	     * _.toArray({ 'a': 1, 'b': 2 });
+	     * // => [1, 2]
+	     *
+	     * _.toArray('abc');
+	     * // => ['a', 'b', 'c']
+	     *
+	     * _.toArray(1);
+	     * // => []
+	     *
+	     * _.toArray(null);
+	     * // => []
+	     */
+	    function toArray(value) {
+	      if (!value) {
+	        return [];
+	      }
+	      if (isArrayLike(value)) {
+	        return isString(value) ? stringToArray(value) : copyArray(value);
+	      }
+	      if (symIterator && value[symIterator]) {
+	        return iteratorToArray(value[symIterator]());
+	      }
+	      var tag = getTag(value),
+	          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+	
+	      return func(value);
+	    }
+	
+	    /**
+	     * Converts `value` to a finite number.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.12.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {number} Returns the converted number.
+	     * @example
+	     *
+	     * _.toFinite(3.2);
+	     * // => 3.2
+	     *
+	     * _.toFinite(Number.MIN_VALUE);
+	     * // => 5e-324
+	     *
+	     * _.toFinite(Infinity);
+	     * // => 1.7976931348623157e+308
+	     *
+	     * _.toFinite('3.2');
+	     * // => 3.2
+	     */
+	    function toFinite(value) {
+	      if (!value) {
+	        return value === 0 ? value : 0;
+	      }
+	      value = toNumber(value);
+	      if (value === INFINITY || value === -INFINITY) {
+	        var sign = (value < 0 ? -1 : 1);
+	        return sign * MAX_INTEGER;
+	      }
+	      return value === value ? value : 0;
+	    }
+	
+	    /**
+	     * Converts `value` to an integer.
+	     *
+	     * **Note:** This method is loosely based on
+	     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {number} Returns the converted integer.
+	     * @example
+	     *
+	     * _.toInteger(3.2);
+	     * // => 3
+	     *
+	     * _.toInteger(Number.MIN_VALUE);
+	     * // => 0
+	     *
+	     * _.toInteger(Infinity);
+	     * // => 1.7976931348623157e+308
+	     *
+	     * _.toInteger('3.2');
+	     * // => 3
+	     */
+	    function toInteger(value) {
+	      var result = toFinite(value),
+	          remainder = result % 1;
+	
+	      return result === result ? (remainder ? result - remainder : result) : 0;
+	    }
+	
+	    /**
+	     * Converts `value` to an integer suitable for use as the length of an
+	     * array-like object.
+	     *
+	     * **Note:** This method is based on
+	     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {number} Returns the converted integer.
+	     * @example
+	     *
+	     * _.toLength(3.2);
+	     * // => 3
+	     *
+	     * _.toLength(Number.MIN_VALUE);
+	     * // => 0
+	     *
+	     * _.toLength(Infinity);
+	     * // => 4294967295
+	     *
+	     * _.toLength('3.2');
+	     * // => 3
+	     */
+	    function toLength(value) {
+	      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+	    }
+	
+	    /**
+	     * Converts `value` to a number.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to process.
+	     * @returns {number} Returns the number.
+	     * @example
+	     *
+	     * _.toNumber(3.2);
+	     * // => 3.2
+	     *
+	     * _.toNumber(Number.MIN_VALUE);
+	     * // => 5e-324
+	     *
+	     * _.toNumber(Infinity);
+	     * // => Infinity
+	     *
+	     * _.toNumber('3.2');
+	     * // => 3.2
+	     */
+	    function toNumber(value) {
+	      if (typeof value == 'number') {
+	        return value;
+	      }
+	      if (isSymbol(value)) {
+	        return NAN;
+	      }
+	      if (isObject(value)) {
+	        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
+	        value = isObject(other) ? (other + '') : other;
+	      }
+	      if (typeof value != 'string') {
+	        return value === 0 ? value : +value;
+	      }
+	      value = value.replace(reTrim, '');
+	      var isBinary = reIsBinary.test(value);
+	      return (isBinary || reIsOctal.test(value))
+	        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
+	        : (reIsBadHex.test(value) ? NAN : +value);
+	    }
+	
+	    /**
+	     * Converts `value` to a plain object flattening inherited enumerable string
+	     * keyed properties of `value` to own properties of the plain object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {Object} Returns the converted plain object.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.assign({ 'a': 1 }, new Foo);
+	     * // => { 'a': 1, 'b': 2 }
+	     *
+	     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
+	     * // => { 'a': 1, 'b': 2, 'c': 3 }
+	     */
+	    function toPlainObject(value) {
+	      return copyObject(value, keysIn(value));
+	    }
+	
+	    /**
+	     * Converts `value` to a safe integer. A safe integer can be compared and
+	     * represented correctly.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {number} Returns the converted integer.
+	     * @example
+	     *
+	     * _.toSafeInteger(3.2);
+	     * // => 3
+	     *
+	     * _.toSafeInteger(Number.MIN_VALUE);
+	     * // => 0
+	     *
+	     * _.toSafeInteger(Infinity);
+	     * // => 9007199254740991
+	     *
+	     * _.toSafeInteger('3.2');
+	     * // => 3
+	     */
+	    function toSafeInteger(value) {
+	      return value
+	        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)
+	        : (value === 0 ? value : 0);
+	    }
+	
+	    /**
+	     * Converts `value` to a string. An empty string is returned for `null`
+	     * and `undefined` values. The sign of `-0` is preserved.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Lang
+	     * @param {*} value The value to convert.
+	     * @returns {string} Returns the converted string.
+	     * @example
+	     *
+	     * _.toString(null);
+	     * // => ''
+	     *
+	     * _.toString(-0);
+	     * // => '-0'
+	     *
+	     * _.toString([1, 2, 3]);
+	     * // => '1,2,3'
+	     */
+	    function toString(value) {
+	      return value == null ? '' : baseToString(value);
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Assigns own enumerable string keyed properties of source objects to the
+	     * destination object. Source objects are applied from left to right.
+	     * Subsequent sources overwrite property assignments of previous sources.
+	     *
+	     * **Note:** This method mutates `object` and is loosely based on
+	     * [`Object.assign`](https://mdn.io/Object/assign).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.10.0
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} [sources] The source objects.
+	     * @returns {Object} Returns `object`.
+	     * @see _.assignIn
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     * }
+	     *
+	     * function Bar() {
+	     *   this.c = 3;
+	     * }
+	     *
+	     * Foo.prototype.b = 2;
+	     * Bar.prototype.d = 4;
+	     *
+	     * _.assign({ 'a': 0 }, new Foo, new Bar);
+	     * // => { 'a': 1, 'c': 3 }
+	     */
+	    var assign = createAssigner(function(object, source) {
+	      if (isPrototype(source) || isArrayLike(source)) {
+	        copyObject(source, keys(source), object);
+	        return;
+	      }
+	      for (var key in source) {
+	        if (hasOwnProperty.call(source, key)) {
+	          assignValue(object, key, source[key]);
+	        }
+	      }
+	    });
+	
+	    /**
+	     * This method is like `_.assign` except that it iterates over own and
+	     * inherited source properties.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @alias extend
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} [sources] The source objects.
+	     * @returns {Object} Returns `object`.
+	     * @see _.assign
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     * }
+	     *
+	     * function Bar() {
+	     *   this.c = 3;
+	     * }
+	     *
+	     * Foo.prototype.b = 2;
+	     * Bar.prototype.d = 4;
+	     *
+	     * _.assignIn({ 'a': 0 }, new Foo, new Bar);
+	     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
+	     */
+	    var assignIn = createAssigner(function(object, source) {
+	      copyObject(source, keysIn(source), object);
+	    });
+	
+	    /**
+	     * This method is like `_.assignIn` except that it accepts `customizer`
+	     * which is invoked to produce the assigned values. If `customizer` returns
+	     * `undefined`, assignment is handled by the method instead. The `customizer`
+	     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @alias extendWith
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} sources The source objects.
+	     * @param {Function} [customizer] The function to customize assigned values.
+	     * @returns {Object} Returns `object`.
+	     * @see _.assignWith
+	     * @example
+	     *
+	     * function customizer(objValue, srcValue) {
+	     *   return _.isUndefined(objValue) ? srcValue : objValue;
+	     * }
+	     *
+	     * var defaults = _.partialRight(_.assignInWith, customizer);
+	     *
+	     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+	     * // => { 'a': 1, 'b': 2 }
+	     */
+	    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+	      copyObject(source, keysIn(source), object, customizer);
+	    });
+	
+	    /**
+	     * This method is like `_.assign` except that it accepts `customizer`
+	     * which is invoked to produce the assigned values. If `customizer` returns
+	     * `undefined`, assignment is handled by the method instead. The `customizer`
+	     * is invoked with five arguments: (objValue, srcValue, key, object, source).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} sources The source objects.
+	     * @param {Function} [customizer] The function to customize assigned values.
+	     * @returns {Object} Returns `object`.
+	     * @see _.assignInWith
+	     * @example
+	     *
+	     * function customizer(objValue, srcValue) {
+	     *   return _.isUndefined(objValue) ? srcValue : objValue;
+	     * }
+	     *
+	     * var defaults = _.partialRight(_.assignWith, customizer);
+	     *
+	     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+	     * // => { 'a': 1, 'b': 2 }
+	     */
+	    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+	      copyObject(source, keys(source), object, customizer);
+	    });
+	
+	    /**
+	     * Creates an array of values corresponding to `paths` of `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.0.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {...(string|string[])} [paths] The property paths to pick.
+	     * @returns {Array} Returns the picked values.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+	     *
+	     * _.at(object, ['a[0].b.c', 'a[1]']);
+	     * // => [3, 4]
+	     */
+	    var at = flatRest(baseAt);
+	
+	    /**
+	     * Creates an object that inherits from the `prototype` object. If a
+	     * `properties` object is given, its own enumerable string keyed properties
+	     * are assigned to the created object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.3.0
+	     * @category Object
+	     * @param {Object} prototype The object to inherit from.
+	     * @param {Object} [properties] The properties to assign to the object.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * function Shape() {
+	     *   this.x = 0;
+	     *   this.y = 0;
+	     * }
+	     *
+	     * function Circle() {
+	     *   Shape.call(this);
+	     * }
+	     *
+	     * Circle.prototype = _.create(Shape.prototype, {
+	     *   'constructor': Circle
+	     * });
+	     *
+	     * var circle = new Circle;
+	     * circle instanceof Circle;
+	     * // => true
+	     *
+	     * circle instanceof Shape;
+	     * // => true
+	     */
+	    function create(prototype, properties) {
+	      var result = baseCreate(prototype);
+	      return properties == null ? result : baseAssign(result, properties);
+	    }
+	
+	    /**
+	     * Assigns own and inherited enumerable string keyed properties of source
+	     * objects to the destination object for all destination properties that
+	     * resolve to `undefined`. Source objects are applied from left to right.
+	     * Once a property is set, additional values of the same property are ignored.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} [sources] The source objects.
+	     * @returns {Object} Returns `object`.
+	     * @see _.defaultsDeep
+	     * @example
+	     *
+	     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
+	     * // => { 'a': 1, 'b': 2 }
+	     */
+	    var defaults = baseRest(function(args) {
+	      args.push(undefined, customDefaultsAssignIn);
+	      return apply(assignInWith, undefined, args);
+	    });
+	
+	    /**
+	     * This method is like `_.defaults` except that it recursively assigns
+	     * default properties.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.10.0
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} [sources] The source objects.
+	     * @returns {Object} Returns `object`.
+	     * @see _.defaults
+	     * @example
+	     *
+	     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
+	     * // => { 'a': { 'b': 2, 'c': 3 } }
+	     */
+	    var defaultsDeep = baseRest(function(args) {
+	      args.push(undefined, customDefaultsMerge);
+	      return apply(mergeWith, undefined, args);
+	    });
+	
+	    /**
+	     * This method is like `_.find` except that it returns the key of the first
+	     * element `predicate` returns truthy for instead of the element itself.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.1.0
+	     * @category Object
+	     * @param {Object} object The object to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {string|undefined} Returns the key of the matched element,
+	     *  else `undefined`.
+	     * @example
+	     *
+	     * var users = {
+	     *   'barney':  { 'age': 36, 'active': true },
+	     *   'fred':    { 'age': 40, 'active': false },
+	     *   'pebbles': { 'age': 1,  'active': true }
+	     * };
+	     *
+	     * _.findKey(users, function(o) { return o.age < 40; });
+	     * // => 'barney' (iteration order is not guaranteed)
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.findKey(users, { 'age': 1, 'active': true });
+	     * // => 'pebbles'
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.findKey(users, ['active', false]);
+	     * // => 'fred'
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.findKey(users, 'active');
+	     * // => 'barney'
+	     */
+	    function findKey(object, predicate) {
+	      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
+	    }
+	
+	    /**
+	     * This method is like `_.findKey` except that it iterates over elements of
+	     * a collection in the opposite order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Object
+	     * @param {Object} object The object to inspect.
+	     * @param {Function} [predicate=_.identity] The function invoked per iteration.
+	     * @returns {string|undefined} Returns the key of the matched element,
+	     *  else `undefined`.
+	     * @example
+	     *
+	     * var users = {
+	     *   'barney':  { 'age': 36, 'active': true },
+	     *   'fred':    { 'age': 40, 'active': false },
+	     *   'pebbles': { 'age': 1,  'active': true }
+	     * };
+	     *
+	     * _.findLastKey(users, function(o) { return o.age < 40; });
+	     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.findLastKey(users, { 'age': 36, 'active': true });
+	     * // => 'barney'
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.findLastKey(users, ['active', false]);
+	     * // => 'fred'
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.findLastKey(users, 'active');
+	     * // => 'pebbles'
+	     */
+	    function findLastKey(object, predicate) {
+	      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
+	    }
+	
+	    /**
+	     * Iterates over own and inherited enumerable string keyed properties of an
+	     * object and invokes `iteratee` for each property. The iteratee is invoked
+	     * with three arguments: (value, key, object). Iteratee functions may exit
+	     * iteration early by explicitly returning `false`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.3.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     * @see _.forInRight
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.forIn(new Foo, function(value, key) {
+	     *   console.log(key);
+	     * });
+	     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
+	     */
+	    function forIn(object, iteratee) {
+	      return object == null
+	        ? object
+	        : baseFor(object, getIteratee(iteratee, 3), keysIn);
+	    }
+	
+	    /**
+	     * This method is like `_.forIn` except that it iterates over properties of
+	     * `object` in the opposite order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     * @see _.forIn
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.forInRight(new Foo, function(value, key) {
+	     *   console.log(key);
+	     * });
+	     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
+	     */
+	    function forInRight(object, iteratee) {
+	      return object == null
+	        ? object
+	        : baseForRight(object, getIteratee(iteratee, 3), keysIn);
+	    }
+	
+	    /**
+	     * Iterates over own enumerable string keyed properties of an object and
+	     * invokes `iteratee` for each property. The iteratee is invoked with three
+	     * arguments: (value, key, object). Iteratee functions may exit iteration
+	     * early by explicitly returning `false`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.3.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     * @see _.forOwnRight
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.forOwn(new Foo, function(value, key) {
+	     *   console.log(key);
+	     * });
+	     * // => Logs 'a' then 'b' (iteration order is not guaranteed).
+	     */
+	    function forOwn(object, iteratee) {
+	      return object && baseForOwn(object, getIteratee(iteratee, 3));
+	    }
+	
+	    /**
+	     * This method is like `_.forOwn` except that it iterates over properties of
+	     * `object` in the opposite order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.0.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns `object`.
+	     * @see _.forOwn
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.forOwnRight(new Foo, function(value, key) {
+	     *   console.log(key);
+	     * });
+	     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
+	     */
+	    function forOwnRight(object, iteratee) {
+	      return object && baseForOwnRight(object, getIteratee(iteratee, 3));
+	    }
+	
+	    /**
+	     * Creates an array of function property names from own enumerable properties
+	     * of `object`.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The object to inspect.
+	     * @returns {Array} Returns the function names.
+	     * @see _.functionsIn
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = _.constant('a');
+	     *   this.b = _.constant('b');
+	     * }
+	     *
+	     * Foo.prototype.c = _.constant('c');
+	     *
+	     * _.functions(new Foo);
+	     * // => ['a', 'b']
+	     */
+	    function functions(object) {
+	      return object == null ? [] : baseFunctions(object, keys(object));
+	    }
+	
+	    /**
+	     * Creates an array of function property names from own and inherited
+	     * enumerable properties of `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The object to inspect.
+	     * @returns {Array} Returns the function names.
+	     * @see _.functions
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = _.constant('a');
+	     *   this.b = _.constant('b');
+	     * }
+	     *
+	     * Foo.prototype.c = _.constant('c');
+	     *
+	     * _.functionsIn(new Foo);
+	     * // => ['a', 'b', 'c']
+	     */
+	    function functionsIn(object) {
+	      return object == null ? [] : baseFunctions(object, keysIn(object));
+	    }
+	
+	    /**
+	     * Gets the value at `path` of `object`. If the resolved value is
+	     * `undefined`, the `defaultValue` is returned in its place.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.7.0
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path of the property to get.
+	     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+	     * @returns {*} Returns the resolved value.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+	     *
+	     * _.get(object, 'a[0].b.c');
+	     * // => 3
+	     *
+	     * _.get(object, ['a', '0', 'b', 'c']);
+	     * // => 3
+	     *
+	     * _.get(object, 'a.b.c', 'default');
+	     * // => 'default'
+	     */
+	    function get(object, path, defaultValue) {
+	      var result = object == null ? undefined : baseGet(object, path);
+	      return result === undefined ? defaultValue : result;
+	    }
+	
+	    /**
+	     * Checks if `path` is a direct property of `object`.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path to check.
+	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': { 'b': 2 } };
+	     * var other = _.create({ 'a': _.create({ 'b': 2 }) });
+	     *
+	     * _.has(object, 'a');
+	     * // => true
+	     *
+	     * _.has(object, 'a.b');
+	     * // => true
+	     *
+	     * _.has(object, ['a', 'b']);
+	     * // => true
+	     *
+	     * _.has(other, 'a');
+	     * // => false
+	     */
+	    function has(object, path) {
+	      return object != null && hasPath(object, path, baseHas);
+	    }
+	
+	    /**
+	     * Checks if `path` is a direct or inherited property of `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path to check.
+	     * @returns {boolean} Returns `true` if `path` exists, else `false`.
+	     * @example
+	     *
+	     * var object = _.create({ 'a': _.create({ 'b': 2 }) });
+	     *
+	     * _.hasIn(object, 'a');
+	     * // => true
+	     *
+	     * _.hasIn(object, 'a.b');
+	     * // => true
+	     *
+	     * _.hasIn(object, ['a', 'b']);
+	     * // => true
+	     *
+	     * _.hasIn(object, 'b');
+	     * // => false
+	     */
+	    function hasIn(object, path) {
+	      return object != null && hasPath(object, path, baseHasIn);
+	    }
+	
+	    /**
+	     * Creates an object composed of the inverted keys and values of `object`.
+	     * If `object` contains duplicate values, subsequent values overwrite
+	     * property assignments of previous values.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.7.0
+	     * @category Object
+	     * @param {Object} object The object to invert.
+	     * @returns {Object} Returns the new inverted object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+	     *
+	     * _.invert(object);
+	     * // => { '1': 'c', '2': 'b' }
+	     */
+	    var invert = createInverter(function(result, value, key) {
+	      result[value] = key;
+	    }, constant(identity));
+	
+	    /**
+	     * This method is like `_.invert` except that the inverted object is generated
+	     * from the results of running each element of `object` thru `iteratee`. The
+	     * corresponding inverted value of each inverted key is an array of keys
+	     * responsible for generating the inverted value. The iteratee is invoked
+	     * with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.1.0
+	     * @category Object
+	     * @param {Object} object The object to invert.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {Object} Returns the new inverted object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': 2, 'c': 1 };
+	     *
+	     * _.invertBy(object);
+	     * // => { '1': ['a', 'c'], '2': ['b'] }
+	     *
+	     * _.invertBy(object, function(value) {
+	     *   return 'group' + value;
+	     * });
+	     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
+	     */
+	    var invertBy = createInverter(function(result, value, key) {
+	      if (hasOwnProperty.call(result, value)) {
+	        result[value].push(key);
+	      } else {
+	        result[value] = [key];
+	      }
+	    }, getIteratee);
+	
+	    /**
+	     * Invokes the method at `path` of `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path of the method to invoke.
+	     * @param {...*} [args] The arguments to invoke the method with.
+	     * @returns {*} Returns the result of the invoked method.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
+	     *
+	     * _.invoke(object, 'a[0].b.c.slice', 1, 3);
+	     * // => [2, 3]
+	     */
+	    var invoke = baseRest(baseInvoke);
+	
+	    /**
+	     * Creates an array of the own enumerable property names of `object`.
+	     *
+	     * **Note:** Non-object values are coerced to objects. See the
+	     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
+	     * for more details.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.keys(new Foo);
+	     * // => ['a', 'b'] (iteration order is not guaranteed)
+	     *
+	     * _.keys('hi');
+	     * // => ['0', '1']
+	     */
+	    function keys(object) {
+	      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+	    }
+	
+	    /**
+	     * Creates an array of the own and inherited enumerable property names of `object`.
+	     *
+	     * **Note:** Non-object values are coerced to objects.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property names.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.keysIn(new Foo);
+	     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
+	     */
+	    function keysIn(object) {
+	      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+	    }
+	
+	    /**
+	     * The opposite of `_.mapValues`; this method creates an object with the
+	     * same values as `object` and keys generated by running each own enumerable
+	     * string keyed property of `object` thru `iteratee`. The iteratee is invoked
+	     * with three arguments: (value, key, object).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.8.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns the new mapped object.
+	     * @see _.mapValues
+	     * @example
+	     *
+	     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
+	     *   return key + value;
+	     * });
+	     * // => { 'a1': 1, 'b2': 2 }
+	     */
+	    function mapKeys(object, iteratee) {
+	      var result = {};
+	      iteratee = getIteratee(iteratee, 3);
+	
+	      baseForOwn(object, function(value, key, object) {
+	        baseAssignValue(result, iteratee(value, key, object), value);
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * Creates an object with the same keys as `object` and values generated
+	     * by running each own enumerable string keyed property of `object` thru
+	     * `iteratee`. The iteratee is invoked with three arguments:
+	     * (value, key, object).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.4.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Object} Returns the new mapped object.
+	     * @see _.mapKeys
+	     * @example
+	     *
+	     * var users = {
+	     *   'fred':    { 'user': 'fred',    'age': 40 },
+	     *   'pebbles': { 'user': 'pebbles', 'age': 1 }
+	     * };
+	     *
+	     * _.mapValues(users, function(o) { return o.age; });
+	     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.mapValues(users, 'age');
+	     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
+	     */
+	    function mapValues(object, iteratee) {
+	      var result = {};
+	      iteratee = getIteratee(iteratee, 3);
+	
+	      baseForOwn(object, function(value, key, object) {
+	        baseAssignValue(result, key, iteratee(value, key, object));
+	      });
+	      return result;
+	    }
+	
+	    /**
+	     * This method is like `_.assign` except that it recursively merges own and
+	     * inherited enumerable string keyed properties of source objects into the
+	     * destination object. Source properties that resolve to `undefined` are
+	     * skipped if a destination value exists. Array and plain object properties
+	     * are merged recursively. Other objects and value types are overridden by
+	     * assignment. Source objects are applied from left to right. Subsequent
+	     * sources overwrite property assignments of previous sources.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.5.0
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} [sources] The source objects.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var object = {
+	     *   'a': [{ 'b': 2 }, { 'd': 4 }]
+	     * };
+	     *
+	     * var other = {
+	     *   'a': [{ 'c': 3 }, { 'e': 5 }]
+	     * };
+	     *
+	     * _.merge(object, other);
+	     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
+	     */
+	    var merge = createAssigner(function(object, source, srcIndex) {
+	      baseMerge(object, source, srcIndex);
+	    });
+	
+	    /**
+	     * This method is like `_.merge` except that it accepts `customizer` which
+	     * is invoked to produce the merged values of the destination and source
+	     * properties. If `customizer` returns `undefined`, merging is handled by the
+	     * method instead. The `customizer` is invoked with six arguments:
+	     * (objValue, srcValue, key, object, source, stack).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The destination object.
+	     * @param {...Object} sources The source objects.
+	     * @param {Function} customizer The function to customize assigned values.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * function customizer(objValue, srcValue) {
+	     *   if (_.isArray(objValue)) {
+	     *     return objValue.concat(srcValue);
+	     *   }
+	     * }
+	     *
+	     * var object = { 'a': [1], 'b': [2] };
+	     * var other = { 'a': [3], 'b': [4] };
+	     *
+	     * _.mergeWith(object, other, customizer);
+	     * // => { 'a': [1, 3], 'b': [2, 4] }
+	     */
+	    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+	      baseMerge(object, source, srcIndex, customizer);
+	    });
+	
+	    /**
+	     * The opposite of `_.pick`; this method creates an object composed of the
+	     * own and inherited enumerable property paths of `object` that are not omitted.
+	     *
+	     * **Note:** This method is considerably slower than `_.pick`.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The source object.
+	     * @param {...(string|string[])} [paths] The property paths to omit.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	     *
+	     * _.omit(object, ['a', 'c']);
+	     * // => { 'b': '2' }
+	     */
+	    var omit = flatRest(function(object, paths) {
+	      var result = {};
+	      if (object == null) {
+	        return result;
+	      }
+	      var isDeep = false;
+	      paths = arrayMap(paths, function(path) {
+	        path = castPath(path, object);
+	        isDeep || (isDeep = path.length > 1);
+	        return path;
+	      });
+	      copyObject(object, getAllKeysIn(object), result);
+	      if (isDeep) {
+	        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+	      }
+	      var length = paths.length;
+	      while (length--) {
+	        baseUnset(result, paths[length]);
+	      }
+	      return result;
+	    });
+	
+	    /**
+	     * The opposite of `_.pickBy`; this method creates an object composed of
+	     * the own and inherited enumerable string keyed properties of `object` that
+	     * `predicate` doesn't return truthy for. The predicate is invoked with two
+	     * arguments: (value, key).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The source object.
+	     * @param {Function} [predicate=_.identity] The function invoked per property.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	     *
+	     * _.omitBy(object, _.isNumber);
+	     * // => { 'b': '2' }
+	     */
+	    function omitBy(object, predicate) {
+	      return pickBy(object, negate(getIteratee(predicate)));
+	    }
+	
+	    /**
+	     * Creates an object composed of the picked `object` properties.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The source object.
+	     * @param {...(string|string[])} [paths] The property paths to pick.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	     *
+	     * _.pick(object, ['a', 'c']);
+	     * // => { 'a': 1, 'c': 3 }
+	     */
+	    var pick = flatRest(function(object, paths) {
+	      return object == null ? {} : basePick(object, paths);
+	    });
+	
+	    /**
+	     * Creates an object composed of the `object` properties `predicate` returns
+	     * truthy for. The predicate is invoked with two arguments: (value, key).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The source object.
+	     * @param {Function} [predicate=_.identity] The function invoked per property.
+	     * @returns {Object} Returns the new object.
+	     * @example
+	     *
+	     * var object = { 'a': 1, 'b': '2', 'c': 3 };
+	     *
+	     * _.pickBy(object, _.isNumber);
+	     * // => { 'a': 1, 'c': 3 }
+	     */
+	    function pickBy(object, predicate) {
+	      if (object == null) {
+	        return {};
+	      }
+	      var props = arrayMap(getAllKeysIn(object), function(prop) {
+	        return [prop];
+	      });
+	      predicate = getIteratee(predicate);
+	      return basePickBy(object, props, function(value, path) {
+	        return predicate(value, path[0]);
+	      });
+	    }
+	
+	    /**
+	     * This method is like `_.get` except that if the resolved value is a
+	     * function it's invoked with the `this` binding of its parent object and
+	     * its result is returned.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @param {Array|string} path The path of the property to resolve.
+	     * @param {*} [defaultValue] The value returned for `undefined` resolved values.
+	     * @returns {*} Returns the resolved value.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
+	     *
+	     * _.result(object, 'a[0].b.c1');
+	     * // => 3
+	     *
+	     * _.result(object, 'a[0].b.c2');
+	     * // => 4
+	     *
+	     * _.result(object, 'a[0].b.c3', 'default');
+	     * // => 'default'
+	     *
+	     * _.result(object, 'a[0].b.c3', _.constant('default'));
+	     * // => 'default'
+	     */
+	    function result(object, path, defaultValue) {
+	      path = castPath(path, object);
+	
+	      var index = -1,
+	          length = path.length;
+	
+	      // Ensure the loop is entered when path is empty.
+	      if (!length) {
+	        length = 1;
+	        object = undefined;
+	      }
+	      while (++index < length) {
+	        var value = object == null ? undefined : object[toKey(path[index])];
+	        if (value === undefined) {
+	          index = length;
+	          value = defaultValue;
+	        }
+	        object = isFunction(value) ? value.call(object) : value;
+	      }
+	      return object;
+	    }
+	
+	    /**
+	     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
+	     * it's created. Arrays are created for missing index properties while objects
+	     * are created for all other missing properties. Use `_.setWith` to customize
+	     * `path` creation.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.7.0
+	     * @category Object
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to set.
+	     * @param {*} value The value to set.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+	     *
+	     * _.set(object, 'a[0].b.c', 4);
+	     * console.log(object.a[0].b.c);
+	     * // => 4
+	     *
+	     * _.set(object, ['x', '0', 'y', 'z'], 5);
+	     * console.log(object.x[0].y.z);
+	     * // => 5
+	     */
+	    function set(object, path, value) {
+	      return object == null ? object : baseSet(object, path, value);
+	    }
+	
+	    /**
+	     * This method is like `_.set` except that it accepts `customizer` which is
+	     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+	     * path creation is handled by the method instead. The `customizer` is invoked
+	     * with three arguments: (nsValue, key, nsObject).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to set.
+	     * @param {*} value The value to set.
+	     * @param {Function} [customizer] The function to customize assigned values.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var object = {};
+	     *
+	     * _.setWith(object, '[0][1]', 'a', Object);
+	     * // => { '0': { '1': 'a' } }
+	     */
+	    function setWith(object, path, value, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      return object == null ? object : baseSet(object, path, value, customizer);
+	    }
+	
+	    /**
+	     * Creates an array of own enumerable string keyed-value pairs for `object`
+	     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
+	     * entries are returned.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @alias entries
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the key-value pairs.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.toPairs(new Foo);
+	     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
+	     */
+	    var toPairs = createToPairs(keys);
+	
+	    /**
+	     * Creates an array of own and inherited enumerable string keyed-value pairs
+	     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
+	     * or set, its entries are returned.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @alias entriesIn
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the key-value pairs.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.toPairsIn(new Foo);
+	     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
+	     */
+	    var toPairsIn = createToPairs(keysIn);
+	
+	    /**
+	     * An alternative to `_.reduce`; this method transforms `object` to a new
+	     * `accumulator` object which is the result of running each of its own
+	     * enumerable string keyed properties thru `iteratee`, with each invocation
+	     * potentially mutating the `accumulator` object. If `accumulator` is not
+	     * provided, a new object with the same `[[Prototype]]` will be used. The
+	     * iteratee is invoked with four arguments: (accumulator, value, key, object).
+	     * Iteratee functions may exit iteration early by explicitly returning `false`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.3.0
+	     * @category Object
+	     * @param {Object} object The object to iterate over.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @param {*} [accumulator] The custom accumulator value.
+	     * @returns {*} Returns the accumulated value.
+	     * @example
+	     *
+	     * _.transform([2, 3, 4], function(result, n) {
+	     *   result.push(n *= n);
+	     *   return n % 2 == 0;
+	     * }, []);
+	     * // => [4, 9]
+	     *
+	     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
+	     *   (result[value] || (result[value] = [])).push(key);
+	     * }, {});
+	     * // => { '1': ['a', 'c'], '2': ['b'] }
+	     */
+	    function transform(object, iteratee, accumulator) {
+	      var isArr = isArray(object),
+	          isArrLike = isArr || isBuffer(object) || isTypedArray(object);
+	
+	      iteratee = getIteratee(iteratee, 4);
+	      if (accumulator == null) {
+	        var Ctor = object && object.constructor;
+	        if (isArrLike) {
+	          accumulator = isArr ? new Ctor : [];
+	        }
+	        else if (isObject(object)) {
+	          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
+	        }
+	        else {
+	          accumulator = {};
+	        }
+	      }
+	      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
+	        return iteratee(accumulator, value, index, object);
+	      });
+	      return accumulator;
+	    }
+	
+	    /**
+	     * Removes the property at `path` of `object`.
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Object
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to unset.
+	     * @returns {boolean} Returns `true` if the property is deleted, else `false`.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 7 } }] };
+	     * _.unset(object, 'a[0].b.c');
+	     * // => true
+	     *
+	     * console.log(object);
+	     * // => { 'a': [{ 'b': {} }] };
+	     *
+	     * _.unset(object, ['a', '0', 'b', 'c']);
+	     * // => true
+	     *
+	     * console.log(object);
+	     * // => { 'a': [{ 'b': {} }] };
+	     */
+	    function unset(object, path) {
+	      return object == null ? true : baseUnset(object, path);
+	    }
+	
+	    /**
+	     * This method is like `_.set` except that accepts `updater` to produce the
+	     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
+	     * is invoked with one argument: (value).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.6.0
+	     * @category Object
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to set.
+	     * @param {Function} updater The function to produce the updated value.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var object = { 'a': [{ 'b': { 'c': 3 } }] };
+	     *
+	     * _.update(object, 'a[0].b.c', function(n) { return n * n; });
+	     * console.log(object.a[0].b.c);
+	     * // => 9
+	     *
+	     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
+	     * console.log(object.x[0].y.z);
+	     * // => 0
+	     */
+	    function update(object, path, updater) {
+	      return object == null ? object : baseUpdate(object, path, castFunction(updater));
+	    }
+	
+	    /**
+	     * This method is like `_.update` except that it accepts `customizer` which is
+	     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`
+	     * path creation is handled by the method instead. The `customizer` is invoked
+	     * with three arguments: (nsValue, key, nsObject).
+	     *
+	     * **Note:** This method mutates `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.6.0
+	     * @category Object
+	     * @param {Object} object The object to modify.
+	     * @param {Array|string} path The path of the property to set.
+	     * @param {Function} updater The function to produce the updated value.
+	     * @param {Function} [customizer] The function to customize assigned values.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var object = {};
+	     *
+	     * _.updateWith(object, '[0][1]', _.constant('a'), Object);
+	     * // => { '0': { '1': 'a' } }
+	     */
+	    function updateWith(object, path, updater, customizer) {
+	      customizer = typeof customizer == 'function' ? customizer : undefined;
+	      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+	    }
+	
+	    /**
+	     * Creates an array of the own enumerable string keyed property values of `object`.
+	     *
+	     * **Note:** Non-object values are coerced to objects.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property values.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.values(new Foo);
+	     * // => [1, 2] (iteration order is not guaranteed)
+	     *
+	     * _.values('hi');
+	     * // => ['h', 'i']
+	     */
+	    function values(object) {
+	      return object == null ? [] : baseValues(object, keys(object));
+	    }
+	
+	    /**
+	     * Creates an array of the own and inherited enumerable string keyed property
+	     * values of `object`.
+	     *
+	     * **Note:** Non-object values are coerced to objects.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Object
+	     * @param {Object} object The object to query.
+	     * @returns {Array} Returns the array of property values.
+	     * @example
+	     *
+	     * function Foo() {
+	     *   this.a = 1;
+	     *   this.b = 2;
+	     * }
+	     *
+	     * Foo.prototype.c = 3;
+	     *
+	     * _.valuesIn(new Foo);
+	     * // => [1, 2, 3] (iteration order is not guaranteed)
+	     */
+	    function valuesIn(object) {
+	      return object == null ? [] : baseValues(object, keysIn(object));
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Clamps `number` within the inclusive `lower` and `upper` bounds.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Number
+	     * @param {number} number The number to clamp.
+	     * @param {number} [lower] The lower bound.
+	     * @param {number} upper The upper bound.
+	     * @returns {number} Returns the clamped number.
+	     * @example
+	     *
+	     * _.clamp(-10, -5, 5);
+	     * // => -5
+	     *
+	     * _.clamp(10, -5, 5);
+	     * // => 5
+	     */
+	    function clamp(number, lower, upper) {
+	      if (upper === undefined) {
+	        upper = lower;
+	        lower = undefined;
+	      }
+	      if (upper !== undefined) {
+	        upper = toNumber(upper);
+	        upper = upper === upper ? upper : 0;
+	      }
+	      if (lower !== undefined) {
+	        lower = toNumber(lower);
+	        lower = lower === lower ? lower : 0;
+	      }
+	      return baseClamp(toNumber(number), lower, upper);
+	    }
+	
+	    /**
+	     * Checks if `n` is between `start` and up to, but not including, `end`. If
+	     * `end` is not specified, it's set to `start` with `start` then set to `0`.
+	     * If `start` is greater than `end` the params are swapped to support
+	     * negative ranges.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.3.0
+	     * @category Number
+	     * @param {number} number The number to check.
+	     * @param {number} [start=0] The start of the range.
+	     * @param {number} end The end of the range.
+	     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
+	     * @see _.range, _.rangeRight
+	     * @example
+	     *
+	     * _.inRange(3, 2, 4);
+	     * // => true
+	     *
+	     * _.inRange(4, 8);
+	     * // => true
+	     *
+	     * _.inRange(4, 2);
+	     * // => false
+	     *
+	     * _.inRange(2, 2);
+	     * // => false
+	     *
+	     * _.inRange(1.2, 2);
+	     * // => true
+	     *
+	     * _.inRange(5.2, 4);
+	     * // => false
+	     *
+	     * _.inRange(-3, -2, -6);
+	     * // => true
+	     */
+	    function inRange(number, start, end) {
+	      start = toFinite(start);
+	      if (end === undefined) {
+	        end = start;
+	        start = 0;
+	      } else {
+	        end = toFinite(end);
+	      }
+	      number = toNumber(number);
+	      return baseInRange(number, start, end);
+	    }
+	
+	    /**
+	     * Produces a random number between the inclusive `lower` and `upper` bounds.
+	     * If only one argument is provided a number between `0` and the given number
+	     * is returned. If `floating` is `true`, or either `lower` or `upper` are
+	     * floats, a floating-point number is returned instead of an integer.
+	     *
+	     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+	     * floating-point values which can produce unexpected results.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.7.0
+	     * @category Number
+	     * @param {number} [lower=0] The lower bound.
+	     * @param {number} [upper=1] The upper bound.
+	     * @param {boolean} [floating] Specify returning a floating-point number.
+	     * @returns {number} Returns the random number.
+	     * @example
+	     *
+	     * _.random(0, 5);
+	     * // => an integer between 0 and 5
+	     *
+	     * _.random(5);
+	     * // => also an integer between 0 and 5
+	     *
+	     * _.random(5, true);
+	     * // => a floating-point number between 0 and 5
+	     *
+	     * _.random(1.2, 5.2);
+	     * // => a floating-point number between 1.2 and 5.2
+	     */
+	    function random(lower, upper, floating) {
+	      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
+	        upper = floating = undefined;
+	      }
+	      if (floating === undefined) {
+	        if (typeof upper == 'boolean') {
+	          floating = upper;
+	          upper = undefined;
+	        }
+	        else if (typeof lower == 'boolean') {
+	          floating = lower;
+	          lower = undefined;
+	        }
+	      }
+	      if (lower === undefined && upper === undefined) {
+	        lower = 0;
+	        upper = 1;
+	      }
+	      else {
+	        lower = toFinite(lower);
+	        if (upper === undefined) {
+	          upper = lower;
+	          lower = 0;
+	        } else {
+	          upper = toFinite(upper);
+	        }
+	      }
+	      if (lower > upper) {
+	        var temp = lower;
+	        lower = upper;
+	        upper = temp;
+	      }
+	      if (floating || lower % 1 || upper % 1) {
+	        var rand = nativeRandom();
+	        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
+	      }
+	      return baseRandom(lower, upper);
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the camel cased string.
+	     * @example
+	     *
+	     * _.camelCase('Foo Bar');
+	     * // => 'fooBar'
+	     *
+	     * _.camelCase('--foo-bar--');
+	     * // => 'fooBar'
+	     *
+	     * _.camelCase('__FOO_BAR__');
+	     * // => 'fooBar'
+	     */
+	    var camelCase = createCompounder(function(result, word, index) {
+	      word = word.toLowerCase();
+	      return result + (index ? capitalize(word) : word);
+	    });
+	
+	    /**
+	     * Converts the first character of `string` to upper case and the remaining
+	     * to lower case.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to capitalize.
+	     * @returns {string} Returns the capitalized string.
+	     * @example
+	     *
+	     * _.capitalize('FRED');
+	     * // => 'Fred'
+	     */
+	    function capitalize(string) {
+	      return upperFirst(toString(string).toLowerCase());
+	    }
+	
+	    /**
+	     * Deburrs `string` by converting
+	     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
+	     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
+	     * letters to basic Latin letters and removing
+	     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to deburr.
+	     * @returns {string} Returns the deburred string.
+	     * @example
+	     *
+	     * _.deburr('déjà vu');
+	     * // => 'deja vu'
+	     */
+	    function deburr(string) {
+	      string = toString(string);
+	      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+	    }
+	
+	    /**
+	     * Checks if `string` ends with the given target string.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to inspect.
+	     * @param {string} [target] The string to search for.
+	     * @param {number} [position=string.length] The position to search up to.
+	     * @returns {boolean} Returns `true` if `string` ends with `target`,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.endsWith('abc', 'c');
+	     * // => true
+	     *
+	     * _.endsWith('abc', 'b');
+	     * // => false
+	     *
+	     * _.endsWith('abc', 'b', 2);
+	     * // => true
+	     */
+	    function endsWith(string, target, position) {
+	      string = toString(string);
+	      target = baseToString(target);
+	
+	      var length = string.length;
+	      position = position === undefined
+	        ? length
+	        : baseClamp(toInteger(position), 0, length);
+	
+	      var end = position;
+	      position -= target.length;
+	      return position >= 0 && string.slice(position, end) == target;
+	    }
+	
+	    /**
+	     * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
+	     * corresponding HTML entities.
+	     *
+	     * **Note:** No other characters are escaped. To escape additional
+	     * characters use a third-party library like [_he_](https://mths.be/he).
+	     *
+	     * Though the ">" character is escaped for symmetry, characters like
+	     * ">" and "/" don't need escaping in HTML and have no special meaning
+	     * unless they're part of a tag or unquoted attribute value. See
+	     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
+	     * (under "semi-related fun fact") for more details.
+	     *
+	     * When working with HTML you should always
+	     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
+	     * XSS vectors.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category String
+	     * @param {string} [string=''] The string to escape.
+	     * @returns {string} Returns the escaped string.
+	     * @example
+	     *
+	     * _.escape('fred, barney, & pebbles');
+	     * // => 'fred, barney, &amp; pebbles'
+	     */
+	    function escape(string) {
+	      string = toString(string);
+	      return (string && reHasUnescapedHtml.test(string))
+	        ? string.replace(reUnescapedHtml, escapeHtmlChar)
+	        : string;
+	    }
+	
+	    /**
+	     * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
+	     * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to escape.
+	     * @returns {string} Returns the escaped string.
+	     * @example
+	     *
+	     * _.escapeRegExp('[lodash](https://lodash.com/)');
+	     * // => '\[lodash\]\(https://lodash\.com/\)'
+	     */
+	    function escapeRegExp(string) {
+	      string = toString(string);
+	      return (string && reHasRegExpChar.test(string))
+	        ? string.replace(reRegExpChar, '\\$&')
+	        : string;
+	    }
+	
+	    /**
+	     * Converts `string` to
+	     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the kebab cased string.
+	     * @example
+	     *
+	     * _.kebabCase('Foo Bar');
+	     * // => 'foo-bar'
+	     *
+	     * _.kebabCase('fooBar');
+	     * // => 'foo-bar'
+	     *
+	     * _.kebabCase('__FOO_BAR__');
+	     * // => 'foo-bar'
+	     */
+	    var kebabCase = createCompounder(function(result, word, index) {
+	      return result + (index ? '-' : '') + word.toLowerCase();
+	    });
+	
+	    /**
+	     * Converts `string`, as space separated words, to lower case.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the lower cased string.
+	     * @example
+	     *
+	     * _.lowerCase('--Foo-Bar--');
+	     * // => 'foo bar'
+	     *
+	     * _.lowerCase('fooBar');
+	     * // => 'foo bar'
+	     *
+	     * _.lowerCase('__FOO_BAR__');
+	     * // => 'foo bar'
+	     */
+	    var lowerCase = createCompounder(function(result, word, index) {
+	      return result + (index ? ' ' : '') + word.toLowerCase();
+	    });
+	
+	    /**
+	     * Converts the first character of `string` to lower case.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the converted string.
+	     * @example
+	     *
+	     * _.lowerFirst('Fred');
+	     * // => 'fred'
+	     *
+	     * _.lowerFirst('FRED');
+	     * // => 'fRED'
+	     */
+	    var lowerFirst = createCaseFirst('toLowerCase');
+	
+	    /**
+	     * Pads `string` on the left and right sides if it's shorter than `length`.
+	     * Padding characters are truncated if they can't be evenly divided by `length`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to pad.
+	     * @param {number} [length=0] The padding length.
+	     * @param {string} [chars=' '] The string used as padding.
+	     * @returns {string} Returns the padded string.
+	     * @example
+	     *
+	     * _.pad('abc', 8);
+	     * // => '  abc   '
+	     *
+	     * _.pad('abc', 8, '_-');
+	     * // => '_-abc_-_'
+	     *
+	     * _.pad('abc', 3);
+	     * // => 'abc'
+	     */
+	    function pad(string, length, chars) {
+	      string = toString(string);
+	      length = toInteger(length);
+	
+	      var strLength = length ? stringSize(string) : 0;
+	      if (!length || strLength >= length) {
+	        return string;
+	      }
+	      var mid = (length - strLength) / 2;
+	      return (
+	        createPadding(nativeFloor(mid), chars) +
+	        string +
+	        createPadding(nativeCeil(mid), chars)
+	      );
+	    }
+	
+	    /**
+	     * Pads `string` on the right side if it's shorter than `length`. Padding
+	     * characters are truncated if they exceed `length`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to pad.
+	     * @param {number} [length=0] The padding length.
+	     * @param {string} [chars=' '] The string used as padding.
+	     * @returns {string} Returns the padded string.
+	     * @example
+	     *
+	     * _.padEnd('abc', 6);
+	     * // => 'abc   '
+	     *
+	     * _.padEnd('abc', 6, '_-');
+	     * // => 'abc_-_'
+	     *
+	     * _.padEnd('abc', 3);
+	     * // => 'abc'
+	     */
+	    function padEnd(string, length, chars) {
+	      string = toString(string);
+	      length = toInteger(length);
+	
+	      var strLength = length ? stringSize(string) : 0;
+	      return (length && strLength < length)
+	        ? (string + createPadding(length - strLength, chars))
+	        : string;
+	    }
+	
+	    /**
+	     * Pads `string` on the left side if it's shorter than `length`. Padding
+	     * characters are truncated if they exceed `length`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to pad.
+	     * @param {number} [length=0] The padding length.
+	     * @param {string} [chars=' '] The string used as padding.
+	     * @returns {string} Returns the padded string.
+	     * @example
+	     *
+	     * _.padStart('abc', 6);
+	     * // => '   abc'
+	     *
+	     * _.padStart('abc', 6, '_-');
+	     * // => '_-_abc'
+	     *
+	     * _.padStart('abc', 3);
+	     * // => 'abc'
+	     */
+	    function padStart(string, length, chars) {
+	      string = toString(string);
+	      length = toInteger(length);
+	
+	      var strLength = length ? stringSize(string) : 0;
+	      return (length && strLength < length)
+	        ? (createPadding(length - strLength, chars) + string)
+	        : string;
+	    }
+	
+	    /**
+	     * Converts `string` to an integer of the specified radix. If `radix` is
+	     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
+	     * hexadecimal, in which case a `radix` of `16` is used.
+	     *
+	     * **Note:** This method aligns with the
+	     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 1.1.0
+	     * @category String
+	     * @param {string} string The string to convert.
+	     * @param {number} [radix=10] The radix to interpret `value` by.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {number} Returns the converted integer.
+	     * @example
+	     *
+	     * _.parseInt('08');
+	     * // => 8
+	     *
+	     * _.map(['6', '08', '10'], _.parseInt);
+	     * // => [6, 8, 10]
+	     */
+	    function parseInt(string, radix, guard) {
+	      if (guard || radix == null) {
+	        radix = 0;
+	      } else if (radix) {
+	        radix = +radix;
+	      }
+	      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
+	    }
+	
+	    /**
+	     * Repeats the given string `n` times.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to repeat.
+	     * @param {number} [n=1] The number of times to repeat the string.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {string} Returns the repeated string.
+	     * @example
+	     *
+	     * _.repeat('*', 3);
+	     * // => '***'
+	     *
+	     * _.repeat('abc', 2);
+	     * // => 'abcabc'
+	     *
+	     * _.repeat('abc', 0);
+	     * // => ''
+	     */
+	    function repeat(string, n, guard) {
+	      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
+	        n = 1;
+	      } else {
+	        n = toInteger(n);
+	      }
+	      return baseRepeat(toString(string), n);
+	    }
+	
+	    /**
+	     * Replaces matches for `pattern` in `string` with `replacement`.
+	     *
+	     * **Note:** This method is based on
+	     * [`String#replace`](https://mdn.io/String/replace).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to modify.
+	     * @param {RegExp|string} pattern The pattern to replace.
+	     * @param {Function|string} replacement The match replacement.
+	     * @returns {string} Returns the modified string.
+	     * @example
+	     *
+	     * _.replace('Hi Fred', 'Fred', 'Barney');
+	     * // => 'Hi Barney'
+	     */
+	    function replace() {
+	      var args = arguments,
+	          string = toString(args[0]);
+	
+	      return args.length < 3 ? string : string.replace(args[1], args[2]);
+	    }
+	
+	    /**
+	     * Converts `string` to
+	     * [snake case](https://en.wikipedia.org/wiki/Snake_case).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the snake cased string.
+	     * @example
+	     *
+	     * _.snakeCase('Foo Bar');
+	     * // => 'foo_bar'
+	     *
+	     * _.snakeCase('fooBar');
+	     * // => 'foo_bar'
+	     *
+	     * _.snakeCase('--FOO-BAR--');
+	     * // => 'foo_bar'
+	     */
+	    var snakeCase = createCompounder(function(result, word, index) {
+	      return result + (index ? '_' : '') + word.toLowerCase();
+	    });
+	
+	    /**
+	     * Splits `string` by `separator`.
+	     *
+	     * **Note:** This method is based on
+	     * [`String#split`](https://mdn.io/String/split).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to split.
+	     * @param {RegExp|string} separator The separator pattern to split by.
+	     * @param {number} [limit] The length to truncate results to.
+	     * @returns {Array} Returns the string segments.
+	     * @example
+	     *
+	     * _.split('a-b-c', '-', 2);
+	     * // => ['a', 'b']
+	     */
+	    function split(string, separator, limit) {
+	      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
+	        separator = limit = undefined;
+	      }
+	      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
+	      if (!limit) {
+	        return [];
+	      }
+	      string = toString(string);
+	      if (string && (
+	            typeof separator == 'string' ||
+	            (separator != null && !isRegExp(separator))
+	          )) {
+	        separator = baseToString(separator);
+	        if (!separator && hasUnicode(string)) {
+	          return castSlice(stringToArray(string), 0, limit);
+	        }
+	      }
+	      return string.split(separator, limit);
+	    }
+	
+	    /**
+	     * Converts `string` to
+	     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.1.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the start cased string.
+	     * @example
+	     *
+	     * _.startCase('--foo-bar--');
+	     * // => 'Foo Bar'
+	     *
+	     * _.startCase('fooBar');
+	     * // => 'Foo Bar'
+	     *
+	     * _.startCase('__FOO_BAR__');
+	     * // => 'FOO BAR'
+	     */
+	    var startCase = createCompounder(function(result, word, index) {
+	      return result + (index ? ' ' : '') + upperFirst(word);
+	    });
+	
+	    /**
+	     * Checks if `string` starts with the given target string.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to inspect.
+	     * @param {string} [target] The string to search for.
+	     * @param {number} [position=0] The position to search from.
+	     * @returns {boolean} Returns `true` if `string` starts with `target`,
+	     *  else `false`.
+	     * @example
+	     *
+	     * _.startsWith('abc', 'a');
+	     * // => true
+	     *
+	     * _.startsWith('abc', 'b');
+	     * // => false
+	     *
+	     * _.startsWith('abc', 'b', 1);
+	     * // => true
+	     */
+	    function startsWith(string, target, position) {
+	      string = toString(string);
+	      position = position == null
+	        ? 0
+	        : baseClamp(toInteger(position), 0, string.length);
+	
+	      target = baseToString(target);
+	      return string.slice(position, position + target.length) == target;
+	    }
+	
+	    /**
+	     * Creates a compiled template function that can interpolate data properties
+	     * in "interpolate" delimiters, HTML-escape interpolated data properties in
+	     * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
+	     * properties may be accessed as free variables in the template. If a setting
+	     * object is given, it takes precedence over `_.templateSettings` values.
+	     *
+	     * **Note:** In the development build `_.template` utilizes
+	     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
+	     * for easier debugging.
+	     *
+	     * For more information on precompiling templates see
+	     * [lodash's custom builds documentation](https://lodash.com/custom-builds).
+	     *
+	     * For more information on Chrome extension sandboxes see
+	     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category String
+	     * @param {string} [string=''] The template string.
+	     * @param {Object} [options={}] The options object.
+	     * @param {RegExp} [options.escape=_.templateSettings.escape]
+	     *  The HTML "escape" delimiter.
+	     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
+	     *  The "evaluate" delimiter.
+	     * @param {Object} [options.imports=_.templateSettings.imports]
+	     *  An object to import into the template as free variables.
+	     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
+	     *  The "interpolate" delimiter.
+	     * @param {string} [options.sourceURL='lodash.templateSources[n]']
+	     *  The sourceURL of the compiled template.
+	     * @param {string} [options.variable='obj']
+	     *  The data object variable name.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Function} Returns the compiled template function.
+	     * @example
+	     *
+	     * // Use the "interpolate" delimiter to create a compiled template.
+	     * var compiled = _.template('hello <%= user %>!');
+	     * compiled({ 'user': 'fred' });
+	     * // => 'hello fred!'
+	     *
+	     * // Use the HTML "escape" delimiter to escape data property values.
+	     * var compiled = _.template('<b><%- value %></b>');
+	     * compiled({ 'value': '<script>' });
+	     * // => '<b>&lt;script&gt;</b>'
+	     *
+	     * // Use the "evaluate" delimiter to execute JavaScript and generate HTML.
+	     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');
+	     * compiled({ 'users': ['fred', 'barney'] });
+	     * // => '<li>fred</li><li>barney</li>'
+	     *
+	     * // Use the internal `print` function in "evaluate" delimiters.
+	     * var compiled = _.template('<% print("hello " + user); %>!');
+	     * compiled({ 'user': 'barney' });
+	     * // => 'hello barney!'
+	     *
+	     * // Use the ES template literal delimiter as an "interpolate" delimiter.
+	     * // Disable support by replacing the "interpolate" delimiter.
+	     * var compiled = _.template('hello ${ user }!');
+	     * compiled({ 'user': 'pebbles' });
+	     * // => 'hello pebbles!'
+	     *
+	     * // Use backslashes to treat delimiters as plain text.
+	     * var compiled = _.template('<%= "\\<%- value %\\>" %>');
+	     * compiled({ 'value': 'ignored' });
+	     * // => '<%- value %>'
+	     *
+	     * // Use the `imports` option to import `jQuery` as `jq`.
+	     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';
+	     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });
+	     * compiled({ 'users': ['fred', 'barney'] });
+	     * // => '<li>fred</li><li>barney</li>'
+	     *
+	     * // Use the `sourceURL` option to specify a custom sourceURL for the template.
+	     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });
+	     * compiled(data);
+	     * // => Find the source of "greeting.jst" under the Sources tab or Resources panel of the web inspector.
+	     *
+	     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.
+	     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });
+	     * compiled.source;
+	     * // => function(data) {
+	     * //   var __t, __p = '';
+	     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';
+	     * //   return __p;
+	     * // }
+	     *
+	     * // Use custom template delimiters.
+	     * _.templateSettings.interpolate = /{{([\s\S]+?)}}/g;
+	     * var compiled = _.template('hello {{ user }}!');
+	     * compiled({ 'user': 'mustache' });
+	     * // => 'hello mustache!'
+	     *
+	     * // Use the `source` property to inline compiled templates for meaningful
+	     * // line numbers in error messages and stack traces.
+	     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\
+	     *   var JST = {\
+	     *     "main": ' + _.template(mainText).source + '\
+	     *   };\
+	     * ');
+	     */
+	    function template(string, options, guard) {
+	      // Based on John Resig's `tmpl` implementation
+	      // (http://ejohn.org/blog/javascript-micro-templating/)
+	      // and Laura Doktorova's doT.js (https://github.com/olado/doT).
+	      var settings = lodash.templateSettings;
+	
+	      if (guard && isIterateeCall(string, options, guard)) {
+	        options = undefined;
+	      }
+	      string = toString(string);
+	      options = assignInWith({}, options, settings, customDefaultsAssignIn);
+	
+	      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),
+	          importsKeys = keys(imports),
+	          importsValues = baseValues(imports, importsKeys);
+	
+	      var isEscaping,
+	          isEvaluating,
+	          index = 0,
+	          interpolate = options.interpolate || reNoMatch,
+	          source = "__p += '";
+	
+	      // Compile the regexp to match each delimiter.
+	      var reDelimiters = RegExp(
+	        (options.escape || reNoMatch).source + '|' +
+	        interpolate.source + '|' +
+	        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +
+	        (options.evaluate || reNoMatch).source + '|$'
+	      , 'g');
+	
+	      // Use a sourceURL for easier debugging.
+	      var sourceURL = '//# sourceURL=' +
+	        ('sourceURL' in options
+	          ? options.sourceURL
+	          : ('lodash.templateSources[' + (++templateCounter) + ']')
+	        ) + '\n';
+	
+	      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+	        interpolateValue || (interpolateValue = esTemplateValue);
+	
+	        // Escape characters that can't be included in string literals.
+	        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+	
+	        // Replace delimiters with snippets.
+	        if (escapeValue) {
+	          isEscaping = true;
+	          source += "' +\n__e(" + escapeValue + ") +\n'";
+	        }
+	        if (evaluateValue) {
+	          isEvaluating = true;
+	          source += "';\n" + evaluateValue + ";\n__p += '";
+	        }
+	        if (interpolateValue) {
+	          source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+	        }
+	        index = offset + match.length;
+	
+	        // The JS engine embedded in Adobe products needs `match` returned in
+	        // order to produce the correct `offset` value.
+	        return match;
+	      });
+	
+	      source += "';\n";
+	
+	      // If `variable` is not specified wrap a with-statement around the generated
+	      // code to add the data object to the top of the scope chain.
+	      var variable = options.variable;
+	      if (!variable) {
+	        source = 'with (obj) {\n' + source + '\n}\n';
+	      }
+	      // Cleanup code by stripping empty strings.
+	      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)
+	        .replace(reEmptyStringMiddle, '$1')
+	        .replace(reEmptyStringTrailing, '$1;');
+	
+	      // Frame code as the function body.
+	      source = 'function(' + (variable || 'obj') + ') {\n' +
+	        (variable
+	          ? ''
+	          : 'obj || (obj = {});\n'
+	        ) +
+	        "var __t, __p = ''" +
+	        (isEscaping
+	           ? ', __e = _.escape'
+	           : ''
+	        ) +
+	        (isEvaluating
+	          ? ', __j = Array.prototype.join;\n' +
+	            "function print() { __p += __j.call(arguments, '') }\n"
+	          : ';\n'
+	        ) +
+	        source +
+	        'return __p\n}';
+	
+	      var result = attempt(function() {
+	        return Function(importsKeys, sourceURL + 'return ' + source)
+	          .apply(undefined, importsValues);
+	      });
+	
+	      // Provide the compiled function's source by its `toString` method or
+	      // the `source` property as a convenience for inlining compiled templates.
+	      result.source = source;
+	      if (isError(result)) {
+	        throw result;
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Converts `string`, as a whole, to lower case just like
+	     * [String#toLowerCase](https://mdn.io/toLowerCase).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the lower cased string.
+	     * @example
+	     *
+	     * _.toLower('--Foo-Bar--');
+	     * // => '--foo-bar--'
+	     *
+	     * _.toLower('fooBar');
+	     * // => 'foobar'
+	     *
+	     * _.toLower('__FOO_BAR__');
+	     * // => '__foo_bar__'
+	     */
+	    function toLower(value) {
+	      return toString(value).toLowerCase();
+	    }
+	
+	    /**
+	     * Converts `string`, as a whole, to upper case just like
+	     * [String#toUpperCase](https://mdn.io/toUpperCase).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the upper cased string.
+	     * @example
+	     *
+	     * _.toUpper('--foo-bar--');
+	     * // => '--FOO-BAR--'
+	     *
+	     * _.toUpper('fooBar');
+	     * // => 'FOOBAR'
+	     *
+	     * _.toUpper('__foo_bar__');
+	     * // => '__FOO_BAR__'
+	     */
+	    function toUpper(value) {
+	      return toString(value).toUpperCase();
+	    }
+	
+	    /**
+	     * Removes leading and trailing whitespace or specified characters from `string`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to trim.
+	     * @param {string} [chars=whitespace] The characters to trim.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {string} Returns the trimmed string.
+	     * @example
+	     *
+	     * _.trim('  abc  ');
+	     * // => 'abc'
+	     *
+	     * _.trim('-_-abc-_-', '_-');
+	     * // => 'abc'
+	     *
+	     * _.map(['  foo  ', '  bar  '], _.trim);
+	     * // => ['foo', 'bar']
+	     */
+	    function trim(string, chars, guard) {
+	      string = toString(string);
+	      if (string && (guard || chars === undefined)) {
+	        return string.replace(reTrim, '');
+	      }
+	      if (!string || !(chars = baseToString(chars))) {
+	        return string;
+	      }
+	      var strSymbols = stringToArray(string),
+	          chrSymbols = stringToArray(chars),
+	          start = charsStartIndex(strSymbols, chrSymbols),
+	          end = charsEndIndex(strSymbols, chrSymbols) + 1;
+	
+	      return castSlice(strSymbols, start, end).join('');
+	    }
+	
+	    /**
+	     * Removes trailing whitespace or specified characters from `string`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to trim.
+	     * @param {string} [chars=whitespace] The characters to trim.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {string} Returns the trimmed string.
+	     * @example
+	     *
+	     * _.trimEnd('  abc  ');
+	     * // => '  abc'
+	     *
+	     * _.trimEnd('-_-abc-_-', '_-');
+	     * // => '-_-abc'
+	     */
+	    function trimEnd(string, chars, guard) {
+	      string = toString(string);
+	      if (string && (guard || chars === undefined)) {
+	        return string.replace(reTrimEnd, '');
+	      }
+	      if (!string || !(chars = baseToString(chars))) {
+	        return string;
+	      }
+	      var strSymbols = stringToArray(string),
+	          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+	
+	      return castSlice(strSymbols, 0, end).join('');
+	    }
+	
+	    /**
+	     * Removes leading whitespace or specified characters from `string`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to trim.
+	     * @param {string} [chars=whitespace] The characters to trim.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {string} Returns the trimmed string.
+	     * @example
+	     *
+	     * _.trimStart('  abc  ');
+	     * // => 'abc  '
+	     *
+	     * _.trimStart('-_-abc-_-', '_-');
+	     * // => 'abc-_-'
+	     */
+	    function trimStart(string, chars, guard) {
+	      string = toString(string);
+	      if (string && (guard || chars === undefined)) {
+	        return string.replace(reTrimStart, '');
+	      }
+	      if (!string || !(chars = baseToString(chars))) {
+	        return string;
+	      }
+	      var strSymbols = stringToArray(string),
+	          start = charsStartIndex(strSymbols, stringToArray(chars));
+	
+	      return castSlice(strSymbols, start).join('');
+	    }
+	
+	    /**
+	     * Truncates `string` if it's longer than the given maximum string length.
+	     * The last characters of the truncated string are replaced with the omission
+	     * string which defaults to "...".
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to truncate.
+	     * @param {Object} [options={}] The options object.
+	     * @param {number} [options.length=30] The maximum string length.
+	     * @param {string} [options.omission='...'] The string to indicate text is omitted.
+	     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.
+	     * @returns {string} Returns the truncated string.
+	     * @example
+	     *
+	     * _.truncate('hi-diddly-ho there, neighborino');
+	     * // => 'hi-diddly-ho there, neighbo...'
+	     *
+	     * _.truncate('hi-diddly-ho there, neighborino', {
+	     *   'length': 24,
+	     *   'separator': ' '
+	     * });
+	     * // => 'hi-diddly-ho there,...'
+	     *
+	     * _.truncate('hi-diddly-ho there, neighborino', {
+	     *   'length': 24,
+	     *   'separator': /,? +/
+	     * });
+	     * // => 'hi-diddly-ho there...'
+	     *
+	     * _.truncate('hi-diddly-ho there, neighborino', {
+	     *   'omission': ' [...]'
+	     * });
+	     * // => 'hi-diddly-ho there, neig [...]'
+	     */
+	    function truncate(string, options) {
+	      var length = DEFAULT_TRUNC_LENGTH,
+	          omission = DEFAULT_TRUNC_OMISSION;
+	
+	      if (isObject(options)) {
+	        var separator = 'separator' in options ? options.separator : separator;
+	        length = 'length' in options ? toInteger(options.length) : length;
+	        omission = 'omission' in options ? baseToString(options.omission) : omission;
+	      }
+	      string = toString(string);
+	
+	      var strLength = string.length;
+	      if (hasUnicode(string)) {
+	        var strSymbols = stringToArray(string);
+	        strLength = strSymbols.length;
+	      }
+	      if (length >= strLength) {
+	        return string;
+	      }
+	      var end = length - stringSize(omission);
+	      if (end < 1) {
+	        return omission;
+	      }
+	      var result = strSymbols
+	        ? castSlice(strSymbols, 0, end).join('')
+	        : string.slice(0, end);
+	
+	      if (separator === undefined) {
+	        return result + omission;
+	      }
+	      if (strSymbols) {
+	        end += (result.length - end);
+	      }
+	      if (isRegExp(separator)) {
+	        if (string.slice(end).search(separator)) {
+	          var match,
+	              substring = result;
+	
+	          if (!separator.global) {
+	            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');
+	          }
+	          separator.lastIndex = 0;
+	          while ((match = separator.exec(substring))) {
+	            var newEnd = match.index;
+	          }
+	          result = result.slice(0, newEnd === undefined ? end : newEnd);
+	        }
+	      } else if (string.indexOf(baseToString(separator), end) != end) {
+	        var index = result.lastIndexOf(separator);
+	        if (index > -1) {
+	          result = result.slice(0, index);
+	        }
+	      }
+	      return result + omission;
+	    }
+	
+	    /**
+	     * The inverse of `_.escape`; this method converts the HTML entities
+	     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to
+	     * their corresponding characters.
+	     *
+	     * **Note:** No other HTML entities are unescaped. To unescape additional
+	     * HTML entities use a third-party library like [_he_](https://mths.be/he).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 0.6.0
+	     * @category String
+	     * @param {string} [string=''] The string to unescape.
+	     * @returns {string} Returns the unescaped string.
+	     * @example
+	     *
+	     * _.unescape('fred, barney, &amp; pebbles');
+	     * // => 'fred, barney, & pebbles'
+	     */
+	    function unescape(string) {
+	      string = toString(string);
+	      return (string && reHasEscapedHtml.test(string))
+	        ? string.replace(reEscapedHtml, unescapeHtmlChar)
+	        : string;
+	    }
+	
+	    /**
+	     * Converts `string`, as space separated words, to upper case.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the upper cased string.
+	     * @example
+	     *
+	     * _.upperCase('--foo-bar');
+	     * // => 'FOO BAR'
+	     *
+	     * _.upperCase('fooBar');
+	     * // => 'FOO BAR'
+	     *
+	     * _.upperCase('__foo_bar__');
+	     * // => 'FOO BAR'
+	     */
+	    var upperCase = createCompounder(function(result, word, index) {
+	      return result + (index ? ' ' : '') + word.toUpperCase();
+	    });
+	
+	    /**
+	     * Converts the first character of `string` to upper case.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to convert.
+	     * @returns {string} Returns the converted string.
+	     * @example
+	     *
+	     * _.upperFirst('fred');
+	     * // => 'Fred'
+	     *
+	     * _.upperFirst('FRED');
+	     * // => 'FRED'
+	     */
+	    var upperFirst = createCaseFirst('toUpperCase');
+	
+	    /**
+	     * Splits `string` into an array of its words.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category String
+	     * @param {string} [string=''] The string to inspect.
+	     * @param {RegExp|string} [pattern] The pattern to match words.
+	     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
+	     * @returns {Array} Returns the words of `string`.
+	     * @example
+	     *
+	     * _.words('fred, barney, & pebbles');
+	     * // => ['fred', 'barney', 'pebbles']
+	     *
+	     * _.words('fred, barney, & pebbles', /[^, ]+/g);
+	     * // => ['fred', 'barney', '&', 'pebbles']
+	     */
+	    function words(string, pattern, guard) {
+	      string = toString(string);
+	      pattern = guard ? undefined : pattern;
+	
+	      if (pattern === undefined) {
+	        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+	      }
+	      return string.match(pattern) || [];
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Attempts to invoke `func`, returning either the result or the caught error
+	     * object. Any additional arguments are provided to `func` when it's invoked.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Util
+	     * @param {Function} func The function to attempt.
+	     * @param {...*} [args] The arguments to invoke `func` with.
+	     * @returns {*} Returns the `func` result or error object.
+	     * @example
+	     *
+	     * // Avoid throwing errors for invalid selectors.
+	     * var elements = _.attempt(function(selector) {
+	     *   return document.querySelectorAll(selector);
+	     * }, '>_>');
+	     *
+	     * if (_.isError(elements)) {
+	     *   elements = [];
+	     * }
+	     */
+	    var attempt = baseRest(function(func, args) {
+	      try {
+	        return apply(func, undefined, args);
+	      } catch (e) {
+	        return isError(e) ? e : new Error(e);
+	      }
+	    });
+	
+	    /**
+	     * Binds methods of an object to the object itself, overwriting the existing
+	     * method.
+	     *
+	     * **Note:** This method doesn't set the "length" property of bound functions.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {Object} object The object to bind and assign the bound methods to.
+	     * @param {...(string|string[])} methodNames The object method names to bind.
+	     * @returns {Object} Returns `object`.
+	     * @example
+	     *
+	     * var view = {
+	     *   'label': 'docs',
+	     *   'click': function() {
+	     *     console.log('clicked ' + this.label);
+	     *   }
+	     * };
+	     *
+	     * _.bindAll(view, ['click']);
+	     * jQuery(element).on('click', view.click);
+	     * // => Logs 'clicked docs' when clicked.
+	     */
+	    var bindAll = flatRest(function(object, methodNames) {
+	      arrayEach(methodNames, function(key) {
+	        key = toKey(key);
+	        baseAssignValue(object, key, bind(object[key], object));
+	      });
+	      return object;
+	    });
+	
+	    /**
+	     * Creates a function that iterates over `pairs` and invokes the corresponding
+	     * function of the first predicate to return truthy. The predicate-function
+	     * pairs are invoked with the `this` binding and arguments of the created
+	     * function.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {Array} pairs The predicate-function pairs.
+	     * @returns {Function} Returns the new composite function.
+	     * @example
+	     *
+	     * var func = _.cond([
+	     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],
+	     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],
+	     *   [_.stubTrue,                      _.constant('no match')]
+	     * ]);
+	     *
+	     * func({ 'a': 1, 'b': 2 });
+	     * // => 'matches A'
+	     *
+	     * func({ 'a': 0, 'b': 1 });
+	     * // => 'matches B'
+	     *
+	     * func({ 'a': '1', 'b': '2' });
+	     * // => 'no match'
+	     */
+	    function cond(pairs) {
+	      var length = pairs == null ? 0 : pairs.length,
+	          toIteratee = getIteratee();
+	
+	      pairs = !length ? [] : arrayMap(pairs, function(pair) {
+	        if (typeof pair[1] != 'function') {
+	          throw new TypeError(FUNC_ERROR_TEXT);
+	        }
+	        return [toIteratee(pair[0]), pair[1]];
+	      });
+	
+	      return baseRest(function(args) {
+	        var index = -1;
+	        while (++index < length) {
+	          var pair = pairs[index];
+	          if (apply(pair[0], this, args)) {
+	            return apply(pair[1], this, args);
+	          }
+	        }
+	      });
+	    }
+	
+	    /**
+	     * Creates a function that invokes the predicate properties of `source` with
+	     * the corresponding property values of a given object, returning `true` if
+	     * all predicates return truthy, else `false`.
+	     *
+	     * **Note:** The created function is equivalent to `_.conformsTo` with
+	     * `source` partially applied.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {Object} source The object of property predicates to conform to.
+	     * @returns {Function} Returns the new spec function.
+	     * @example
+	     *
+	     * var objects = [
+	     *   { 'a': 2, 'b': 1 },
+	     *   { 'a': 1, 'b': 2 }
+	     * ];
+	     *
+	     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));
+	     * // => [{ 'a': 1, 'b': 2 }]
+	     */
+	    function conforms(source) {
+	      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+	    }
+	
+	    /**
+	     * Creates a function that returns `value`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.4.0
+	     * @category Util
+	     * @param {*} value The value to return from the new function.
+	     * @returns {Function} Returns the new constant function.
+	     * @example
+	     *
+	     * var objects = _.times(2, _.constant({ 'a': 1 }));
+	     *
+	     * console.log(objects);
+	     * // => [{ 'a': 1 }, { 'a': 1 }]
+	     *
+	     * console.log(objects[0] === objects[1]);
+	     * // => true
+	     */
+	    function constant(value) {
+	      return function() {
+	        return value;
+	      };
+	    }
+	
+	    /**
+	     * Checks `value` to determine whether a default value should be returned in
+	     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
+	     * or `undefined`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.14.0
+	     * @category Util
+	     * @param {*} value The value to check.
+	     * @param {*} defaultValue The default value.
+	     * @returns {*} Returns the resolved value.
+	     * @example
+	     *
+	     * _.defaultTo(1, 10);
+	     * // => 1
+	     *
+	     * _.defaultTo(undefined, 10);
+	     * // => 10
+	     */
+	    function defaultTo(value, defaultValue) {
+	      return (value == null || value !== value) ? defaultValue : value;
+	    }
+	
+	    /**
+	     * Creates a function that returns the result of invoking the given functions
+	     * with the `this` binding of the created function, where each successive
+	     * invocation is supplied the return value of the previous.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Util
+	     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+	     * @returns {Function} Returns the new composite function.
+	     * @see _.flowRight
+	     * @example
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * var addSquare = _.flow([_.add, square]);
+	     * addSquare(1, 2);
+	     * // => 9
+	     */
+	    var flow = createFlow();
+	
+	    /**
+	     * This method is like `_.flow` except that it creates a function that
+	     * invokes the given functions from right to left.
+	     *
+	     * @static
+	     * @since 3.0.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {...(Function|Function[])} [funcs] The functions to invoke.
+	     * @returns {Function} Returns the new composite function.
+	     * @see _.flow
+	     * @example
+	     *
+	     * function square(n) {
+	     *   return n * n;
+	     * }
+	     *
+	     * var addSquare = _.flowRight([square, _.add]);
+	     * addSquare(1, 2);
+	     * // => 9
+	     */
+	    var flowRight = createFlow(true);
+	
+	    /**
+	     * This method returns the first argument it receives.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {*} value Any value.
+	     * @returns {*} Returns `value`.
+	     * @example
+	     *
+	     * var object = { 'a': 1 };
+	     *
+	     * console.log(_.identity(object) === object);
+	     * // => true
+	     */
+	    function identity(value) {
+	      return value;
+	    }
+	
+	    /**
+	     * Creates a function that invokes `func` with the arguments of the created
+	     * function. If `func` is a property name, the created function returns the
+	     * property value for a given element. If `func` is an array or object, the
+	     * created function returns `true` for elements that contain the equivalent
+	     * source properties, otherwise it returns `false`.
+	     *
+	     * @static
+	     * @since 4.0.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {*} [func=_.identity] The value to convert to a callback.
+	     * @returns {Function} Returns the callback.
+	     * @example
+	     *
+	     * var users = [
+	     *   { 'user': 'barney', 'age': 36, 'active': true },
+	     *   { 'user': 'fred',   'age': 40, 'active': false }
+	     * ];
+	     *
+	     * // The `_.matches` iteratee shorthand.
+	     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));
+	     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]
+	     *
+	     * // The `_.matchesProperty` iteratee shorthand.
+	     * _.filter(users, _.iteratee(['user', 'fred']));
+	     * // => [{ 'user': 'fred', 'age': 40 }]
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.map(users, _.iteratee('user'));
+	     * // => ['barney', 'fred']
+	     *
+	     * // Create custom iteratee shorthands.
+	     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {
+	     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {
+	     *     return func.test(string);
+	     *   };
+	     * });
+	     *
+	     * _.filter(['abc', 'def'], /ef/);
+	     * // => ['def']
+	     */
+	    function iteratee(func) {
+	      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));
+	    }
+	
+	    /**
+	     * Creates a function that performs a partial deep comparison between a given
+	     * object and `source`, returning `true` if the given object has equivalent
+	     * property values, else `false`.
+	     *
+	     * **Note:** The created function is equivalent to `_.isMatch` with `source`
+	     * partially applied.
+	     *
+	     * Partial comparisons will match empty array and empty object `source`
+	     * values against any array or object value, respectively. See `_.isEqual`
+	     * for a list of supported value comparisons.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Util
+	     * @param {Object} source The object of property values to match.
+	     * @returns {Function} Returns the new spec function.
+	     * @example
+	     *
+	     * var objects = [
+	     *   { 'a': 1, 'b': 2, 'c': 3 },
+	     *   { 'a': 4, 'b': 5, 'c': 6 }
+	     * ];
+	     *
+	     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));
+	     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]
+	     */
+	    function matches(source) {
+	      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+	    }
+	
+	    /**
+	     * Creates a function that performs a partial deep comparison between the
+	     * value at `path` of a given object to `srcValue`, returning `true` if the
+	     * object value is equivalent, else `false`.
+	     *
+	     * **Note:** Partial comparisons will match empty array and empty object
+	     * `srcValue` values against any array or object value, respectively. See
+	     * `_.isEqual` for a list of supported value comparisons.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.2.0
+	     * @category Util
+	     * @param {Array|string} path The path of the property to get.
+	     * @param {*} srcValue The value to match.
+	     * @returns {Function} Returns the new spec function.
+	     * @example
+	     *
+	     * var objects = [
+	     *   { 'a': 1, 'b': 2, 'c': 3 },
+	     *   { 'a': 4, 'b': 5, 'c': 6 }
+	     * ];
+	     *
+	     * _.find(objects, _.matchesProperty('a', 4));
+	     * // => { 'a': 4, 'b': 5, 'c': 6 }
+	     */
+	    function matchesProperty(path, srcValue) {
+	      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+	    }
+	
+	    /**
+	     * Creates a function that invokes the method at `path` of a given object.
+	     * Any additional arguments are provided to the invoked method.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.7.0
+	     * @category Util
+	     * @param {Array|string} path The path of the method to invoke.
+	     * @param {...*} [args] The arguments to invoke the method with.
+	     * @returns {Function} Returns the new invoker function.
+	     * @example
+	     *
+	     * var objects = [
+	     *   { 'a': { 'b': _.constant(2) } },
+	     *   { 'a': { 'b': _.constant(1) } }
+	     * ];
+	     *
+	     * _.map(objects, _.method('a.b'));
+	     * // => [2, 1]
+	     *
+	     * _.map(objects, _.method(['a', 'b']));
+	     * // => [2, 1]
+	     */
+	    var method = baseRest(function(path, args) {
+	      return function(object) {
+	        return baseInvoke(object, path, args);
+	      };
+	    });
+	
+	    /**
+	     * The opposite of `_.method`; this method creates a function that invokes
+	     * the method at a given path of `object`. Any additional arguments are
+	     * provided to the invoked method.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.7.0
+	     * @category Util
+	     * @param {Object} object The object to query.
+	     * @param {...*} [args] The arguments to invoke the method with.
+	     * @returns {Function} Returns the new invoker function.
+	     * @example
+	     *
+	     * var array = _.times(3, _.constant),
+	     *     object = { 'a': array, 'b': array, 'c': array };
+	     *
+	     * _.map(['a[2]', 'c[0]'], _.methodOf(object));
+	     * // => [2, 0]
+	     *
+	     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));
+	     * // => [2, 0]
+	     */
+	    var methodOf = baseRest(function(object, args) {
+	      return function(path) {
+	        return baseInvoke(object, path, args);
+	      };
+	    });
+	
+	    /**
+	     * Adds all own enumerable string keyed function properties of a source
+	     * object to the destination object. If `object` is a function, then methods
+	     * are added to its prototype as well.
+	     *
+	     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to
+	     * avoid conflicts caused by modifying the original.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {Function|Object} [object=lodash] The destination object.
+	     * @param {Object} source The object of functions to add.
+	     * @param {Object} [options={}] The options object.
+	     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.
+	     * @returns {Function|Object} Returns `object`.
+	     * @example
+	     *
+	     * function vowels(string) {
+	     *   return _.filter(string, function(v) {
+	     *     return /[aeiou]/i.test(v);
+	     *   });
+	     * }
+	     *
+	     * _.mixin({ 'vowels': vowels });
+	     * _.vowels('fred');
+	     * // => ['e']
+	     *
+	     * _('fred').vowels().value();
+	     * // => ['e']
+	     *
+	     * _.mixin({ 'vowels': vowels }, { 'chain': false });
+	     * _('fred').vowels();
+	     * // => ['e']
+	     */
+	    function mixin(object, source, options) {
+	      var props = keys(source),
+	          methodNames = baseFunctions(source, props);
+	
+	      if (options == null &&
+	          !(isObject(source) && (methodNames.length || !props.length))) {
+	        options = source;
+	        source = object;
+	        object = this;
+	        methodNames = baseFunctions(source, keys(source));
+	      }
+	      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,
+	          isFunc = isFunction(object);
+	
+	      arrayEach(methodNames, function(methodName) {
+	        var func = source[methodName];
+	        object[methodName] = func;
+	        if (isFunc) {
+	          object.prototype[methodName] = function() {
+	            var chainAll = this.__chain__;
+	            if (chain || chainAll) {
+	              var result = object(this.__wrapped__),
+	                  actions = result.__actions__ = copyArray(this.__actions__);
+	
+	              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });
+	              result.__chain__ = chainAll;
+	              return result;
+	            }
+	            return func.apply(object, arrayPush([this.value()], arguments));
+	          };
+	        }
+	      });
+	
+	      return object;
+	    }
+	
+	    /**
+	     * Reverts the `_` variable to its previous value and returns a reference to
+	     * the `lodash` function.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @returns {Function} Returns the `lodash` function.
+	     * @example
+	     *
+	     * var lodash = _.noConflict();
+	     */
+	    function noConflict() {
+	      if (root._ === this) {
+	        root._ = oldDash;
+	      }
+	      return this;
+	    }
+	
+	    /**
+	     * This method returns `undefined`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.3.0
+	     * @category Util
+	     * @example
+	     *
+	     * _.times(2, _.noop);
+	     * // => [undefined, undefined]
+	     */
+	    function noop() {
+	      // No operation performed.
+	    }
+	
+	    /**
+	     * Creates a function that gets the argument at index `n`. If `n` is negative,
+	     * the nth argument from the end is returned.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {number} [n=0] The index of the argument to return.
+	     * @returns {Function} Returns the new pass-thru function.
+	     * @example
+	     *
+	     * var func = _.nthArg(1);
+	     * func('a', 'b', 'c', 'd');
+	     * // => 'b'
+	     *
+	     * var func = _.nthArg(-2);
+	     * func('a', 'b', 'c', 'd');
+	     * // => 'c'
+	     */
+	    function nthArg(n) {
+	      n = toInteger(n);
+	      return baseRest(function(args) {
+	        return baseNth(args, n);
+	      });
+	    }
+	
+	    /**
+	     * Creates a function that invokes `iteratees` with the arguments it receives
+	     * and returns their results.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {...(Function|Function[])} [iteratees=[_.identity]]
+	     *  The iteratees to invoke.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var func = _.over([Math.max, Math.min]);
+	     *
+	     * func(1, 2, 3, 4);
+	     * // => [4, 1]
+	     */
+	    var over = createOver(arrayMap);
+	
+	    /**
+	     * Creates a function that checks if **all** of the `predicates` return
+	     * truthy when invoked with the arguments it receives.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {...(Function|Function[])} [predicates=[_.identity]]
+	     *  The predicates to check.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var func = _.overEvery([Boolean, isFinite]);
+	     *
+	     * func('1');
+	     * // => true
+	     *
+	     * func(null);
+	     * // => false
+	     *
+	     * func(NaN);
+	     * // => false
+	     */
+	    var overEvery = createOver(arrayEvery);
+	
+	    /**
+	     * Creates a function that checks if **any** of the `predicates` return
+	     * truthy when invoked with the arguments it receives.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {...(Function|Function[])} [predicates=[_.identity]]
+	     *  The predicates to check.
+	     * @returns {Function} Returns the new function.
+	     * @example
+	     *
+	     * var func = _.overSome([Boolean, isFinite]);
+	     *
+	     * func('1');
+	     * // => true
+	     *
+	     * func(null);
+	     * // => true
+	     *
+	     * func(NaN);
+	     * // => false
+	     */
+	    var overSome = createOver(arraySome);
+	
+	    /**
+	     * Creates a function that returns the value at `path` of a given object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 2.4.0
+	     * @category Util
+	     * @param {Array|string} path The path of the property to get.
+	     * @returns {Function} Returns the new accessor function.
+	     * @example
+	     *
+	     * var objects = [
+	     *   { 'a': { 'b': 2 } },
+	     *   { 'a': { 'b': 1 } }
+	     * ];
+	     *
+	     * _.map(objects, _.property('a.b'));
+	     * // => [2, 1]
+	     *
+	     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
+	     * // => [1, 2]
+	     */
+	    function property(path) {
+	      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+	    }
+	
+	    /**
+	     * The opposite of `_.property`; this method creates a function that returns
+	     * the value at a given path of `object`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.0.0
+	     * @category Util
+	     * @param {Object} object The object to query.
+	     * @returns {Function} Returns the new accessor function.
+	     * @example
+	     *
+	     * var array = [0, 1, 2],
+	     *     object = { 'a': array, 'b': array, 'c': array };
+	     *
+	     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));
+	     * // => [2, 0]
+	     *
+	     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));
+	     * // => [2, 0]
+	     */
+	    function propertyOf(object) {
+	      return function(path) {
+	        return object == null ? undefined : baseGet(object, path);
+	      };
+	    }
+	
+	    /**
+	     * Creates an array of numbers (positive and/or negative) progressing from
+	     * `start` up to, but not including, `end`. A step of `-1` is used if a negative
+	     * `start` is specified without an `end` or `step`. If `end` is not specified,
+	     * it's set to `start` with `start` then set to `0`.
+	     *
+	     * **Note:** JavaScript follows the IEEE-754 standard for resolving
+	     * floating-point values which can produce unexpected results.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {number} [start=0] The start of the range.
+	     * @param {number} end The end of the range.
+	     * @param {number} [step=1] The value to increment or decrement by.
+	     * @returns {Array} Returns the range of numbers.
+	     * @see _.inRange, _.rangeRight
+	     * @example
+	     *
+	     * _.range(4);
+	     * // => [0, 1, 2, 3]
+	     *
+	     * _.range(-4);
+	     * // => [0, -1, -2, -3]
+	     *
+	     * _.range(1, 5);
+	     * // => [1, 2, 3, 4]
+	     *
+	     * _.range(0, 20, 5);
+	     * // => [0, 5, 10, 15]
+	     *
+	     * _.range(0, -4, -1);
+	     * // => [0, -1, -2, -3]
+	     *
+	     * _.range(1, 4, 0);
+	     * // => [1, 1, 1]
+	     *
+	     * _.range(0);
+	     * // => []
+	     */
+	    var range = createRange();
+	
+	    /**
+	     * This method is like `_.range` except that it populates values in
+	     * descending order.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {number} [start=0] The start of the range.
+	     * @param {number} end The end of the range.
+	     * @param {number} [step=1] The value to increment or decrement by.
+	     * @returns {Array} Returns the range of numbers.
+	     * @see _.inRange, _.range
+	     * @example
+	     *
+	     * _.rangeRight(4);
+	     * // => [3, 2, 1, 0]
+	     *
+	     * _.rangeRight(-4);
+	     * // => [-3, -2, -1, 0]
+	     *
+	     * _.rangeRight(1, 5);
+	     * // => [4, 3, 2, 1]
+	     *
+	     * _.rangeRight(0, 20, 5);
+	     * // => [15, 10, 5, 0]
+	     *
+	     * _.rangeRight(0, -4, -1);
+	     * // => [-3, -2, -1, 0]
+	     *
+	     * _.rangeRight(1, 4, 0);
+	     * // => [1, 1, 1]
+	     *
+	     * _.rangeRight(0);
+	     * // => []
+	     */
+	    var rangeRight = createRange(true);
+	
+	    /**
+	     * This method returns a new empty array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.13.0
+	     * @category Util
+	     * @returns {Array} Returns the new empty array.
+	     * @example
+	     *
+	     * var arrays = _.times(2, _.stubArray);
+	     *
+	     * console.log(arrays);
+	     * // => [[], []]
+	     *
+	     * console.log(arrays[0] === arrays[1]);
+	     * // => false
+	     */
+	    function stubArray() {
+	      return [];
+	    }
+	
+	    /**
+	     * This method returns `false`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.13.0
+	     * @category Util
+	     * @returns {boolean} Returns `false`.
+	     * @example
+	     *
+	     * _.times(2, _.stubFalse);
+	     * // => [false, false]
+	     */
+	    function stubFalse() {
+	      return false;
+	    }
+	
+	    /**
+	     * This method returns a new empty object.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.13.0
+	     * @category Util
+	     * @returns {Object} Returns the new empty object.
+	     * @example
+	     *
+	     * var objects = _.times(2, _.stubObject);
+	     *
+	     * console.log(objects);
+	     * // => [{}, {}]
+	     *
+	     * console.log(objects[0] === objects[1]);
+	     * // => false
+	     */
+	    function stubObject() {
+	      return {};
+	    }
+	
+	    /**
+	     * This method returns an empty string.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.13.0
+	     * @category Util
+	     * @returns {string} Returns the empty string.
+	     * @example
+	     *
+	     * _.times(2, _.stubString);
+	     * // => ['', '']
+	     */
+	    function stubString() {
+	      return '';
+	    }
+	
+	    /**
+	     * This method returns `true`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.13.0
+	     * @category Util
+	     * @returns {boolean} Returns `true`.
+	     * @example
+	     *
+	     * _.times(2, _.stubTrue);
+	     * // => [true, true]
+	     */
+	    function stubTrue() {
+	      return true;
+	    }
+	
+	    /**
+	     * Invokes the iteratee `n` times, returning an array of the results of
+	     * each invocation. The iteratee is invoked with one argument; (index).
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {number} n The number of times to invoke `iteratee`.
+	     * @param {Function} [iteratee=_.identity] The function invoked per iteration.
+	     * @returns {Array} Returns the array of results.
+	     * @example
+	     *
+	     * _.times(3, String);
+	     * // => ['0', '1', '2']
+	     *
+	     *  _.times(4, _.constant(0));
+	     * // => [0, 0, 0, 0]
+	     */
+	    function times(n, iteratee) {
+	      n = toInteger(n);
+	      if (n < 1 || n > MAX_SAFE_INTEGER) {
+	        return [];
+	      }
+	      var index = MAX_ARRAY_LENGTH,
+	          length = nativeMin(n, MAX_ARRAY_LENGTH);
+	
+	      iteratee = getIteratee(iteratee);
+	      n -= MAX_ARRAY_LENGTH;
+	
+	      var result = baseTimes(length, iteratee);
+	      while (++index < n) {
+	        iteratee(index);
+	      }
+	      return result;
+	    }
+	
+	    /**
+	     * Converts `value` to a property path array.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Util
+	     * @param {*} value The value to convert.
+	     * @returns {Array} Returns the new property path array.
+	     * @example
+	     *
+	     * _.toPath('a.b.c');
+	     * // => ['a', 'b', 'c']
+	     *
+	     * _.toPath('a[0].b.c');
+	     * // => ['a', '0', 'b', 'c']
+	     */
+	    function toPath(value) {
+	      if (isArray(value)) {
+	        return arrayMap(value, toKey);
+	      }
+	      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+	    }
+	
+	    /**
+	     * Generates a unique ID. If `prefix` is given, the ID is appended to it.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Util
+	     * @param {string} [prefix=''] The value to prefix the ID with.
+	     * @returns {string} Returns the unique ID.
+	     * @example
+	     *
+	     * _.uniqueId('contact_');
+	     * // => 'contact_104'
+	     *
+	     * _.uniqueId();
+	     * // => '105'
+	     */
+	    function uniqueId(prefix) {
+	      var id = ++idCounter;
+	      return toString(prefix) + id;
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * Adds two numbers.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.4.0
+	     * @category Math
+	     * @param {number} augend The first number in an addition.
+	     * @param {number} addend The second number in an addition.
+	     * @returns {number} Returns the total.
+	     * @example
+	     *
+	     * _.add(6, 4);
+	     * // => 10
+	     */
+	    var add = createMathOperation(function(augend, addend) {
+	      return augend + addend;
+	    }, 0);
+	
+	    /**
+	     * Computes `number` rounded up to `precision`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.10.0
+	     * @category Math
+	     * @param {number} number The number to round up.
+	     * @param {number} [precision=0] The precision to round up to.
+	     * @returns {number} Returns the rounded up number.
+	     * @example
+	     *
+	     * _.ceil(4.006);
+	     * // => 5
+	     *
+	     * _.ceil(6.004, 2);
+	     * // => 6.01
+	     *
+	     * _.ceil(6040, -2);
+	     * // => 6100
+	     */
+	    var ceil = createRound('ceil');
+	
+	    /**
+	     * Divide two numbers.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.7.0
+	     * @category Math
+	     * @param {number} dividend The first number in a division.
+	     * @param {number} divisor The second number in a division.
+	     * @returns {number} Returns the quotient.
+	     * @example
+	     *
+	     * _.divide(6, 4);
+	     * // => 1.5
+	     */
+	    var divide = createMathOperation(function(dividend, divisor) {
+	      return dividend / divisor;
+	    }, 1);
+	
+	    /**
+	     * Computes `number` rounded down to `precision`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.10.0
+	     * @category Math
+	     * @param {number} number The number to round down.
+	     * @param {number} [precision=0] The precision to round down to.
+	     * @returns {number} Returns the rounded down number.
+	     * @example
+	     *
+	     * _.floor(4.006);
+	     * // => 4
+	     *
+	     * _.floor(0.046, 2);
+	     * // => 0.04
+	     *
+	     * _.floor(4060, -2);
+	     * // => 4000
+	     */
+	    var floor = createRound('floor');
+	
+	    /**
+	     * Computes the maximum value of `array`. If `array` is empty or falsey,
+	     * `undefined` is returned.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @returns {*} Returns the maximum value.
+	     * @example
+	     *
+	     * _.max([4, 2, 8, 6]);
+	     * // => 8
+	     *
+	     * _.max([]);
+	     * // => undefined
+	     */
+	    function max(array) {
+	      return (array && array.length)
+	        ? baseExtremum(array, identity, baseGt)
+	        : undefined;
+	    }
+	
+	    /**
+	     * This method is like `_.max` except that it accepts `iteratee` which is
+	     * invoked for each element in `array` to generate the criterion by which
+	     * the value is ranked. The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {*} Returns the maximum value.
+	     * @example
+	     *
+	     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+	     *
+	     * _.maxBy(objects, function(o) { return o.n; });
+	     * // => { 'n': 2 }
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.maxBy(objects, 'n');
+	     * // => { 'n': 2 }
+	     */
+	    function maxBy(array, iteratee) {
+	      return (array && array.length)
+	        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)
+	        : undefined;
+	    }
+	
+	    /**
+	     * Computes the mean of the values in `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @returns {number} Returns the mean.
+	     * @example
+	     *
+	     * _.mean([4, 2, 8, 6]);
+	     * // => 5
+	     */
+	    function mean(array) {
+	      return baseMean(array, identity);
+	    }
+	
+	    /**
+	     * This method is like `_.mean` except that it accepts `iteratee` which is
+	     * invoked for each element in `array` to generate the value to be averaged.
+	     * The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.7.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {number} Returns the mean.
+	     * @example
+	     *
+	     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+	     *
+	     * _.meanBy(objects, function(o) { return o.n; });
+	     * // => 5
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.meanBy(objects, 'n');
+	     * // => 5
+	     */
+	    function meanBy(array, iteratee) {
+	      return baseMean(array, getIteratee(iteratee, 2));
+	    }
+	
+	    /**
+	     * Computes the minimum value of `array`. If `array` is empty or falsey,
+	     * `undefined` is returned.
+	     *
+	     * @static
+	     * @since 0.1.0
+	     * @memberOf _
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @returns {*} Returns the minimum value.
+	     * @example
+	     *
+	     * _.min([4, 2, 8, 6]);
+	     * // => 2
+	     *
+	     * _.min([]);
+	     * // => undefined
+	     */
+	    function min(array) {
+	      return (array && array.length)
+	        ? baseExtremum(array, identity, baseLt)
+	        : undefined;
+	    }
+	
+	    /**
+	     * This method is like `_.min` except that it accepts `iteratee` which is
+	     * invoked for each element in `array` to generate the criterion by which
+	     * the value is ranked. The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {*} Returns the minimum value.
+	     * @example
+	     *
+	     * var objects = [{ 'n': 1 }, { 'n': 2 }];
+	     *
+	     * _.minBy(objects, function(o) { return o.n; });
+	     * // => { 'n': 1 }
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.minBy(objects, 'n');
+	     * // => { 'n': 1 }
+	     */
+	    function minBy(array, iteratee) {
+	      return (array && array.length)
+	        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)
+	        : undefined;
+	    }
+	
+	    /**
+	     * Multiply two numbers.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.7.0
+	     * @category Math
+	     * @param {number} multiplier The first number in a multiplication.
+	     * @param {number} multiplicand The second number in a multiplication.
+	     * @returns {number} Returns the product.
+	     * @example
+	     *
+	     * _.multiply(6, 4);
+	     * // => 24
+	     */
+	    var multiply = createMathOperation(function(multiplier, multiplicand) {
+	      return multiplier * multiplicand;
+	    }, 1);
+	
+	    /**
+	     * Computes `number` rounded to `precision`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.10.0
+	     * @category Math
+	     * @param {number} number The number to round.
+	     * @param {number} [precision=0] The precision to round to.
+	     * @returns {number} Returns the rounded number.
+	     * @example
+	     *
+	     * _.round(4.006);
+	     * // => 4
+	     *
+	     * _.round(4.006, 2);
+	     * // => 4.01
+	     *
+	     * _.round(4060, -2);
+	     * // => 4100
+	     */
+	    var round = createRound('round');
+	
+	    /**
+	     * Subtract two numbers.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Math
+	     * @param {number} minuend The first number in a subtraction.
+	     * @param {number} subtrahend The second number in a subtraction.
+	     * @returns {number} Returns the difference.
+	     * @example
+	     *
+	     * _.subtract(6, 4);
+	     * // => 2
+	     */
+	    var subtract = createMathOperation(function(minuend, subtrahend) {
+	      return minuend - subtrahend;
+	    }, 0);
+	
+	    /**
+	     * Computes the sum of the values in `array`.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 3.4.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @returns {number} Returns the sum.
+	     * @example
+	     *
+	     * _.sum([4, 2, 8, 6]);
+	     * // => 20
+	     */
+	    function sum(array) {
+	      return (array && array.length)
+	        ? baseSum(array, identity)
+	        : 0;
+	    }
+	
+	    /**
+	     * This method is like `_.sum` except that it accepts `iteratee` which is
+	     * invoked for each element in `array` to generate the value to be summed.
+	     * The iteratee is invoked with one argument: (value).
+	     *
+	     * @static
+	     * @memberOf _
+	     * @since 4.0.0
+	     * @category Math
+	     * @param {Array} array The array to iterate over.
+	     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
+	     * @returns {number} Returns the sum.
+	     * @example
+	     *
+	     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];
+	     *
+	     * _.sumBy(objects, function(o) { return o.n; });
+	     * // => 20
+	     *
+	     * // The `_.property` iteratee shorthand.
+	     * _.sumBy(objects, 'n');
+	     * // => 20
+	     */
+	    function sumBy(array, iteratee) {
+	      return (array && array.length)
+	        ? baseSum(array, getIteratee(iteratee, 2))
+	        : 0;
+	    }
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    // Add methods that return wrapped values in chain sequences.
+	    lodash.after = after;
+	    lodash.ary = ary;
+	    lodash.assign = assign;
+	    lodash.assignIn = assignIn;
+	    lodash.assignInWith = assignInWith;
+	    lodash.assignWith = assignWith;
+	    lodash.at = at;
+	    lodash.before = before;
+	    lodash.bind = bind;
+	    lodash.bindAll = bindAll;
+	    lodash.bindKey = bindKey;
+	    lodash.castArray = castArray;
+	    lodash.chain = chain;
+	    lodash.chunk = chunk;
+	    lodash.compact = compact;
+	    lodash.concat = concat;
+	    lodash.cond = cond;
+	    lodash.conforms = conforms;
+	    lodash.constant = constant;
+	    lodash.countBy = countBy;
+	    lodash.create = create;
+	    lodash.curry = curry;
+	    lodash.curryRight = curryRight;
+	    lodash.debounce = debounce;
+	    lodash.defaults = defaults;
+	    lodash.defaultsDeep = defaultsDeep;
+	    lodash.defer = defer;
+	    lodash.delay = delay;
+	    lodash.difference = difference;
+	    lodash.differenceBy = differenceBy;
+	    lodash.differenceWith = differenceWith;
+	    lodash.drop = drop;
+	    lodash.dropRight = dropRight;
+	    lodash.dropRightWhile = dropRightWhile;
+	    lodash.dropWhile = dropWhile;
+	    lodash.fill = fill;
+	    lodash.filter = filter;
+	    lodash.flatMap = flatMap;
+	    lodash.flatMapDeep = flatMapDeep;
+	    lodash.flatMapDepth = flatMapDepth;
+	    lodash.flatten = flatten;
+	    lodash.flattenDeep = flattenDeep;
+	    lodash.flattenDepth = flattenDepth;
+	    lodash.flip = flip;
+	    lodash.flow = flow;
+	    lodash.flowRight = flowRight;
+	    lodash.fromPairs = fromPairs;
+	    lodash.functions = functions;
+	    lodash.functionsIn = functionsIn;
+	    lodash.groupBy = groupBy;
+	    lodash.initial = initial;
+	    lodash.intersection = intersection;
+	    lodash.intersectionBy = intersectionBy;
+	    lodash.intersectionWith = intersectionWith;
+	    lodash.invert = invert;
+	    lodash.invertBy = invertBy;
+	    lodash.invokeMap = invokeMap;
+	    lodash.iteratee = iteratee;
+	    lodash.keyBy = keyBy;
+	    lodash.keys = keys;
+	    lodash.keysIn = keysIn;
+	    lodash.map = map;
+	    lodash.mapKeys = mapKeys;
+	    lodash.mapValues = mapValues;
+	    lodash.matches = matches;
+	    lodash.matchesProperty = matchesProperty;
+	    lodash.memoize = memoize;
+	    lodash.merge = merge;
+	    lodash.mergeWith = mergeWith;
+	    lodash.method = method;
+	    lodash.methodOf = methodOf;
+	    lodash.mixin = mixin;
+	    lodash.negate = negate;
+	    lodash.nthArg = nthArg;
+	    lodash.omit = omit;
+	    lodash.omitBy = omitBy;
+	    lodash.once = once;
+	    lodash.orderBy = orderBy;
+	    lodash.over = over;
+	    lodash.overArgs = overArgs;
+	    lodash.overEvery = overEvery;
+	    lodash.overSome = overSome;
+	    lodash.partial = partial;
+	    lodash.partialRight = partialRight;
+	    lodash.partition = partition;
+	    lodash.pick = pick;
+	    lodash.pickBy = pickBy;
+	    lodash.property = property;
+	    lodash.propertyOf = propertyOf;
+	    lodash.pull = pull;
+	    lodash.pullAll = pullAll;
+	    lodash.pullAllBy = pullAllBy;
+	    lodash.pullAllWith = pullAllWith;
+	    lodash.pullAt = pullAt;
+	    lodash.range = range;
+	    lodash.rangeRight = rangeRight;
+	    lodash.rearg = rearg;
+	    lodash.reject = reject;
+	    lodash.remove = remove;
+	    lodash.rest = rest;
+	    lodash.reverse = reverse;
+	    lodash.sampleSize = sampleSize;
+	    lodash.set = set;
+	    lodash.setWith = setWith;
+	    lodash.shuffle = shuffle;
+	    lodash.slice = slice;
+	    lodash.sortBy = sortBy;
+	    lodash.sortedUniq = sortedUniq;
+	    lodash.sortedUniqBy = sortedUniqBy;
+	    lodash.split = split;
+	    lodash.spread = spread;
+	    lodash.tail = tail;
+	    lodash.take = take;
+	    lodash.takeRight = takeRight;
+	    lodash.takeRightWhile = takeRightWhile;
+	    lodash.takeWhile = takeWhile;
+	    lodash.tap = tap;
+	    lodash.throttle = throttle;
+	    lodash.thru = thru;
+	    lodash.toArray = toArray;
+	    lodash.toPairs = toPairs;
+	    lodash.toPairsIn = toPairsIn;
+	    lodash.toPath = toPath;
+	    lodash.toPlainObject = toPlainObject;
+	    lodash.transform = transform;
+	    lodash.unary = unary;
+	    lodash.union = union;
+	    lodash.unionBy = unionBy;
+	    lodash.unionWith = unionWith;
+	    lodash.uniq = uniq;
+	    lodash.uniqBy = uniqBy;
+	    lodash.uniqWith = uniqWith;
+	    lodash.unset = unset;
+	    lodash.unzip = unzip;
+	    lodash.unzipWith = unzipWith;
+	    lodash.update = update;
+	    lodash.updateWith = updateWith;
+	    lodash.values = values;
+	    lodash.valuesIn = valuesIn;
+	    lodash.without = without;
+	    lodash.words = words;
+	    lodash.wrap = wrap;
+	    lodash.xor = xor;
+	    lodash.xorBy = xorBy;
+	    lodash.xorWith = xorWith;
+	    lodash.zip = zip;
+	    lodash.zipObject = zipObject;
+	    lodash.zipObjectDeep = zipObjectDeep;
+	    lodash.zipWith = zipWith;
+	
+	    // Add aliases.
+	    lodash.entries = toPairs;
+	    lodash.entriesIn = toPairsIn;
+	    lodash.extend = assignIn;
+	    lodash.extendWith = assignInWith;
+	
+	    // Add methods to `lodash.prototype`.
+	    mixin(lodash, lodash);
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    // Add methods that return unwrapped values in chain sequences.
+	    lodash.add = add;
+	    lodash.attempt = attempt;
+	    lodash.camelCase = camelCase;
+	    lodash.capitalize = capitalize;
+	    lodash.ceil = ceil;
+	    lodash.clamp = clamp;
+	    lodash.clone = clone;
+	    lodash.cloneDeep = cloneDeep;
+	    lodash.cloneDeepWith = cloneDeepWith;
+	    lodash.cloneWith = cloneWith;
+	    lodash.conformsTo = conformsTo;
+	    lodash.deburr = deburr;
+	    lodash.defaultTo = defaultTo;
+	    lodash.divide = divide;
+	    lodash.endsWith = endsWith;
+	    lodash.eq = eq;
+	    lodash.escape = escape;
+	    lodash.escapeRegExp = escapeRegExp;
+	    lodash.every = every;
+	    lodash.find = find;
+	    lodash.findIndex = findIndex;
+	    lodash.findKey = findKey;
+	    lodash.findLast = findLast;
+	    lodash.findLastIndex = findLastIndex;
+	    lodash.findLastKey = findLastKey;
+	    lodash.floor = floor;
+	    lodash.forEach = forEach;
+	    lodash.forEachRight = forEachRight;
+	    lodash.forIn = forIn;
+	    lodash.forInRight = forInRight;
+	    lodash.forOwn = forOwn;
+	    lodash.forOwnRight = forOwnRight;
+	    lodash.get = get;
+	    lodash.gt = gt;
+	    lodash.gte = gte;
+	    lodash.has = has;
+	    lodash.hasIn = hasIn;
+	    lodash.head = head;
+	    lodash.identity = identity;
+	    lodash.includes = includes;
+	    lodash.indexOf = indexOf;
+	    lodash.inRange = inRange;
+	    lodash.invoke = invoke;
+	    lodash.isArguments = isArguments;
+	    lodash.isArray = isArray;
+	    lodash.isArrayBuffer = isArrayBuffer;
+	    lodash.isArrayLike = isArrayLike;
+	    lodash.isArrayLikeObject = isArrayLikeObject;
+	    lodash.isBoolean = isBoolean;
+	    lodash.isBuffer = isBuffer;
+	    lodash.isDate = isDate;
+	    lodash.isElement = isElement;
+	    lodash.isEmpty = isEmpty;
+	    lodash.isEqual = isEqual;
+	    lodash.isEqualWith = isEqualWith;
+	    lodash.isError = isError;
+	    lodash.isFinite = isFinite;
+	    lodash.isFunction = isFunction;
+	    lodash.isInteger = isInteger;
+	    lodash.isLength = isLength;
+	    lodash.isMap = isMap;
+	    lodash.isMatch = isMatch;
+	    lodash.isMatchWith = isMatchWith;
+	    lodash.isNaN = isNaN;
+	    lodash.isNative = isNative;
+	    lodash.isNil = isNil;
+	    lodash.isNull = isNull;
+	    lodash.isNumber = isNumber;
+	    lodash.isObject = isObject;
+	    lodash.isObjectLike = isObjectLike;
+	    lodash.isPlainObject = isPlainObject;
+	    lodash.isRegExp = isRegExp;
+	    lodash.isSafeInteger = isSafeInteger;
+	    lodash.isSet = isSet;
+	    lodash.isString = isString;
+	    lodash.isSymbol = isSymbol;
+	    lodash.isTypedArray = isTypedArray;
+	    lodash.isUndefined = isUndefined;
+	    lodash.isWeakMap = isWeakMap;
+	    lodash.isWeakSet = isWeakSet;
+	    lodash.join = join;
+	    lodash.kebabCase = kebabCase;
+	    lodash.last = last;
+	    lodash.lastIndexOf = lastIndexOf;
+	    lodash.lowerCase = lowerCase;
+	    lodash.lowerFirst = lowerFirst;
+	    lodash.lt = lt;
+	    lodash.lte = lte;
+	    lodash.max = max;
+	    lodash.maxBy = maxBy;
+	    lodash.mean = mean;
+	    lodash.meanBy = meanBy;
+	    lodash.min = min;
+	    lodash.minBy = minBy;
+	    lodash.stubArray = stubArray;
+	    lodash.stubFalse = stubFalse;
+	    lodash.stubObject = stubObject;
+	    lodash.stubString = stubString;
+	    lodash.stubTrue = stubTrue;
+	    lodash.multiply = multiply;
+	    lodash.nth = nth;
+	    lodash.noConflict = noConflict;
+	    lodash.noop = noop;
+	    lodash.now = now;
+	    lodash.pad = pad;
+	    lodash.padEnd = padEnd;
+	    lodash.padStart = padStart;
+	    lodash.parseInt = parseInt;
+	    lodash.random = random;
+	    lodash.reduce = reduce;
+	    lodash.reduceRight = reduceRight;
+	    lodash.repeat = repeat;
+	    lodash.replace = replace;
+	    lodash.result = result;
+	    lodash.round = round;
+	    lodash.runInContext = runInContext;
+	    lodash.sample = sample;
+	    lodash.size = size;
+	    lodash.snakeCase = snakeCase;
+	    lodash.some = some;
+	    lodash.sortedIndex = sortedIndex;
+	    lodash.sortedIndexBy = sortedIndexBy;
+	    lodash.sortedIndexOf = sortedIndexOf;
+	    lodash.sortedLastIndex = sortedLastIndex;
+	    lodash.sortedLastIndexBy = sortedLastIndexBy;
+	    lodash.sortedLastIndexOf = sortedLastIndexOf;
+	    lodash.startCase = startCase;
+	    lodash.startsWith = startsWith;
+	    lodash.subtract = subtract;
+	    lodash.sum = sum;
+	    lodash.sumBy = sumBy;
+	    lodash.template = template;
+	    lodash.times = times;
+	    lodash.toFinite = toFinite;
+	    lodash.toInteger = toInteger;
+	    lodash.toLength = toLength;
+	    lodash.toLower = toLower;
+	    lodash.toNumber = toNumber;
+	    lodash.toSafeInteger = toSafeInteger;
+	    lodash.toString = toString;
+	    lodash.toUpper = toUpper;
+	    lodash.trim = trim;
+	    lodash.trimEnd = trimEnd;
+	    lodash.trimStart = trimStart;
+	    lodash.truncate = truncate;
+	    lodash.unescape = unescape;
+	    lodash.uniqueId = uniqueId;
+	    lodash.upperCase = upperCase;
+	    lodash.upperFirst = upperFirst;
+	
+	    // Add aliases.
+	    lodash.each = forEach;
+	    lodash.eachRight = forEachRight;
+	    lodash.first = head;
+	
+	    mixin(lodash, (function() {
+	      var source = {};
+	      baseForOwn(lodash, function(func, methodName) {
+	        if (!hasOwnProperty.call(lodash.prototype, methodName)) {
+	          source[methodName] = func;
+	        }
+	      });
+	      return source;
+	    }()), { 'chain': false });
+	
+	    /*------------------------------------------------------------------------*/
+	
+	    /**
+	     * The semantic version number.
+	     *
+	     * @static
+	     * @memberOf _
+	     * @type {string}
+	     */
+	    lodash.VERSION = VERSION;
+	
+	    // Assign default placeholders.
+	    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {
+	      lodash[methodName].placeholder = lodash;
+	    });
+	
+	    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.
+	    arrayEach(['drop', 'take'], function(methodName, index) {
+	      LazyWrapper.prototype[methodName] = function(n) {
+	        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);
+	
+	        var result = (this.__filtered__ && !index)
+	          ? new LazyWrapper(this)
+	          : this.clone();
+	
+	        if (result.__filtered__) {
+	          result.__takeCount__ = nativeMin(n, result.__takeCount__);
+	        } else {
+	          result.__views__.push({
+	            'size': nativeMin(n, MAX_ARRAY_LENGTH),
+	            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')
+	          });
+	        }
+	        return result;
+	      };
+	
+	      LazyWrapper.prototype[methodName + 'Right'] = function(n) {
+	        return this.reverse()[methodName](n).reverse();
+	      };
+	    });
+	
+	    // Add `LazyWrapper` methods that accept an `iteratee` value.
+	    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {
+	      var type = index + 1,
+	          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;
+	
+	      LazyWrapper.prototype[methodName] = function(iteratee) {
+	        var result = this.clone();
+	        result.__iteratees__.push({
+	          'iteratee': getIteratee(iteratee, 3),
+	          'type': type
+	        });
+	        result.__filtered__ = result.__filtered__ || isFilter;
+	        return result;
+	      };
+	    });
+	
+	    // Add `LazyWrapper` methods for `_.head` and `_.last`.
+	    arrayEach(['head', 'last'], function(methodName, index) {
+	      var takeName = 'take' + (index ? 'Right' : '');
+	
+	      LazyWrapper.prototype[methodName] = function() {
+	        return this[takeName](1).value()[0];
+	      };
+	    });
+	
+	    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.
+	    arrayEach(['initial', 'tail'], function(methodName, index) {
+	      var dropName = 'drop' + (index ? '' : 'Right');
+	
+	      LazyWrapper.prototype[methodName] = function() {
+	        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+	      };
+	    });
+	
+	    LazyWrapper.prototype.compact = function() {
+	      return this.filter(identity);
+	    };
+	
+	    LazyWrapper.prototype.find = function(predicate) {
+	      return this.filter(predicate).head();
+	    };
+	
+	    LazyWrapper.prototype.findLast = function(predicate) {
+	      return this.reverse().find(predicate);
+	    };
+	
+	    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
+	      if (typeof path == 'function') {
+	        return new LazyWrapper(this);
+	      }
+	      return this.map(function(value) {
+	        return baseInvoke(value, path, args);
+	      });
+	    });
+	
+	    LazyWrapper.prototype.reject = function(predicate) {
+	      return this.filter(negate(getIteratee(predicate)));
+	    };
+	
+	    LazyWrapper.prototype.slice = function(start, end) {
+	      start = toInteger(start);
+	
+	      var result = this;
+	      if (result.__filtered__ && (start > 0 || end < 0)) {
+	        return new LazyWrapper(result);
+	      }
+	      if (start < 0) {
+	        result = result.takeRight(-start);
+	      } else if (start) {
+	        result = result.drop(start);
+	      }
+	      if (end !== undefined) {
+	        end = toInteger(end);
+	        result = end < 0 ? result.dropRight(-end) : result.take(end - start);
+	      }
+	      return result;
+	    };
+	
+	    LazyWrapper.prototype.takeRightWhile = function(predicate) {
+	      return this.reverse().takeWhile(predicate).reverse();
+	    };
+	
+	    LazyWrapper.prototype.toArray = function() {
+	      return this.take(MAX_ARRAY_LENGTH);
+	    };
+	
+	    // Add `LazyWrapper` methods to `lodash.prototype`.
+	    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+	      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),
+	          isTaker = /^(?:head|last)$/.test(methodName),
+	          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],
+	          retUnwrapped = isTaker || /^find/.test(methodName);
+	
+	      if (!lodashFunc) {
+	        return;
+	      }
+	      lodash.prototype[methodName] = function() {
+	        var value = this.__wrapped__,
+	            args = isTaker ? [1] : arguments,
+	            isLazy = value instanceof LazyWrapper,
+	            iteratee = args[0],
+	            useLazy = isLazy || isArray(value);
+	
+	        var interceptor = function(value) {
+	          var result = lodashFunc.apply(lodash, arrayPush([value], args));
+	          return (isTaker && chainAll) ? result[0] : result;
+	        };
+	
+	        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {
+	          // Avoid lazy use if the iteratee has a "length" value other than `1`.
+	          isLazy = useLazy = false;
+	        }
+	        var chainAll = this.__chain__,
+	            isHybrid = !!this.__actions__.length,
+	            isUnwrapped = retUnwrapped && !chainAll,
+	            onlyLazy = isLazy && !isHybrid;
+	
+	        if (!retUnwrapped && useLazy) {
+	          value = onlyLazy ? value : new LazyWrapper(this);
+	          var result = func.apply(value, args);
+	          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
+	          return new LodashWrapper(result, chainAll);
+	        }
+	        if (isUnwrapped && onlyLazy) {
+	          return func.apply(this, args);
+	        }
+	        result = this.thru(interceptor);
+	        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;
+	      };
+	    });
+	
+	    // Add `Array` methods to `lodash.prototype`.
+	    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {
+	      var func = arrayProto[methodName],
+	          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',
+	          retUnwrapped = /^(?:pop|shift)$/.test(methodName);
+	
+	      lodash.prototype[methodName] = function() {
+	        var args = arguments;
+	        if (retUnwrapped && !this.__chain__) {
+	          var value = this.value();
+	          return func.apply(isArray(value) ? value : [], args);
+	        }
+	        return this[chainName](function(value) {
+	          return func.apply(isArray(value) ? value : [], args);
+	        });
+	      };
+	    });
+	
+	    // Map minified method names to their real names.
+	    baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+	      var lodashFunc = lodash[methodName];
+	      if (lodashFunc) {
+	        var key = (lodashFunc.name + ''),
+	            names = realNames[key] || (realNames[key] = []);
+	
+	        names.push({ 'name': methodName, 'func': lodashFunc });
+	      }
+	    });
+	
+	    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{
+	      'name': 'wrapper',
+	      'func': undefined
+	    }];
+	
+	    // Add methods to `LazyWrapper`.
+	    LazyWrapper.prototype.clone = lazyClone;
+	    LazyWrapper.prototype.reverse = lazyReverse;
+	    LazyWrapper.prototype.value = lazyValue;
+	
+	    // Add chain sequence methods to the `lodash` wrapper.
+	    lodash.prototype.at = wrapperAt;
+	    lodash.prototype.chain = wrapperChain;
+	    lodash.prototype.commit = wrapperCommit;
+	    lodash.prototype.next = wrapperNext;
+	    lodash.prototype.plant = wrapperPlant;
+	    lodash.prototype.reverse = wrapperReverse;
+	    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+	
+	    // Add lazy aliases.
+	    lodash.prototype.first = lodash.prototype.head;
+	
+	    if (symIterator) {
+	      lodash.prototype[symIterator] = wrapperToIterator;
+	    }
+	    return lodash;
+	  });
+	
+	  /*--------------------------------------------------------------------------*/
+	
+	  // Export lodash.
+	  var _ = runInContext();
+	
+	  // Some AMD build optimizers, like r.js, check for condition patterns like:
+	  if (true) {
+	    // Expose Lodash on the global object to prevent errors when Lodash is
+	    // loaded by a script tag in the presence of an AMD loader.
+	    // See http://requirejs.org/docs/errors.html#mismatch for more details.
+	    // Use `_.noConflict` to remove Lodash from the global object.
+	    root._ = _;
+	
+	    // Define as an anonymous module so, through path mapping, it can be
+	    // referenced as the "underscore" module.
+	    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {
+	      return _;
+	    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+	  }
+	  // Check for `exports` after `define` in case a build optimizer adds it.
+	  else if (freeModule) {
+	    // Export for Node.js.
+	    (freeModule.exports = _)._ = _;
+	    // Export for CommonJS support.
+	    freeExports._ = _;
+	  }
+	  else {
+	    // Export to the global object.
+	    root._ = _;
+	  }
+	}.call(this));
+	
+	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(43)(module)))
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports) {
+
+	module.exports = function(module) {
+		if(!module.webpackPolyfill) {
+			module.deprecate = function() {};
+			module.paths = [];
+			// module.parent = undefined by default
+			module.children = [];
+			module.webpackPolyfill = 1;
+		}
+		return module;
+	}
+
+
+/***/ }),
+/* 44 */
 /***/ (function(module, exports) {
 
-	module.exports = "\n<div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n    <!--<pre>{{columns | json}}</pre>-->\n    <!--<pre>{{$data | json}}</pre>-->\n    <div class=\"col-sm-6\">\n        <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n            <div class=\"input-group\">\n                <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                <div class=\"input-group-addon\">\n                    <i class=\"glyphicon glyphicon-search\"></i>\n                </div>\n            </div>\n        </div>\n    </div>\n    <div class=\"col-sm-6\">\n        <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n            <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                        type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                        aria-haspopup=\"true\">\n                    Columns <span class=\"caret\"></span>\n                </button>\n                <ul class=\"dropdown-menu\">\n                    <li v-for=\"column in displayCols\">\n                        <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                            <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                        </a>\n                    </li>\n                </ul>\n            </div>\n        </div>\n    </div>\n    <div class=\"col-sm-12\">\n        <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n            <div class=\"spinner\"></div>\n        </div>\n        <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n            <thead>\n                <tr>\n                    <th v-for=\"column in displayCols | filterBy true in 'visible'\" @click=\"sortBy(column.name)\"\n                        track-by=\"$index\"\n                        :class=\"getClasses(column.name)\">\n                        {{ column.title }}\n                    </th>\n                </tr>\n            </thead>\n            <tbody>\n                <tr v-for=\"entry in filteredValues | orderBy sortKey sortOrders[sortKey]\" track-by=\"$index\">\n                    <td v-for=\"column in displayCols | filterBy true in 'visible'\" track-by=\"$index\"\n                        v-show=\"column.visible\">\n                        <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                        <value-field-section v-else\n                            :entry=\"entry\"\n                            :columnname=\"column.name\"\n                            :value=\"entry[column.name]\"></value-field-section>\n                    </td>\n                </tr>\n            </tbody>\n        </table>\n    </div>\n    <div v-if=\"paginated\" class=\"col-sm-12\">\n        <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n          <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n            <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n          </div>\n          <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n            <button v-for=\"index in validPageNumbers\"\n                type=\"button\" class=\"btn btn-default\"\n                v-bind:class=\"{ active: this.page===index }\"\n                @click=\"this.page=index\">\n                    {{index}}\n            </button>\n          </div>\n          <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n          <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n            <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n          </div>\n        </div>\n    </div>\n</div>\n";
+	module.exports = "\n<div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n    <!--<pre>{{columns | json}}</pre>-->\n    <!--<pre>{{$data | json}}</pre>-->\n    <div class=\"col-sm-6\">\n        <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n            <div class=\"input-group\">\n                <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                <div class=\"input-group-addon\">\n                    <i class=\"glyphicon glyphicon-search\"></i>\n                </div>\n            </div>\n        </div>\n    </div>\n    <div class=\"col-sm-6\">\n        <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n            <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                        type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                        aria-haspopup=\"true\">\n                    Columns <span class=\"caret\"></span>\n                </button>\n                <ul class=\"dropdown-menu\">\n                    <li v-for=\"column in displayCols\">\n                        <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                            <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                        </a>\n                    </li>\n                </ul>\n            </div>\n        </div>\n    </div>\n    <div class=\"col-sm-12\">\n        <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n            <div class=\"spinner\"></div>\n        </div>\n        <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n            <thead>\n                <tr>\n                    <th v-for=\"column in displayColsVisible\" @click=\"sortBy($event, column.name)\"\n                        track-by=\"$index\"\n                        :class=\"getClasses(column.name)\">\n                        {{ column.title }}\n                    </th>\n                </tr>\n            </thead>\n            <tbody>\n                <tr v-for=\"entry in filteredValuesSorted \" track-by=\"$index\">\n                    <td v-for=\"column in displayColsVisible\" track-by=\"$index\"\n                        v-show=\"column.visible\">\n\n                        <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                        <value-field-section v-else\n                            :entry=\"entry\"\n                            :columnname=\"column.name\"></value-field-section>\n                    </td>\n                </tr>\n            </tbody>\n        </table>\n    </div>\n    <div v-if=\"paginated\" class=\"col-sm-12\">\n        <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n          <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n            <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n          </div>\n          <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n            <button v-for=\"index in validPageNumbers\"\n                type=\"button\" class=\"btn btn-default\"\n                :class=\"{ active: this.page===index }\"\n                @click=\"this.page=index\">\n                    {{index}}\n            </button>\n          </div>\n          <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n          <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n            <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n          </div>\n        </div>\n    </div>\n</div>\n";
 
 /***/ })
 /******/ ])
diff --git a/dist/vue-bootstrap-table.js.map b/dist/vue-bootstrap-table.js.map
index 18523b5..da5e42e 100644
--- a/dist/vue-bootstrap-table.js.map
+++ b/dist/vue-bootstrap-table.js.map
@@ -1 +1 @@
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require(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\n// add the styles to the DOM\nvar update = require(\"!../node_modules/vue-style-loader/addStyles.js\")(content, {});\nif(content.locals) module.exports = content.locals;\n// Hot Module Replacement\nif(module.hot) {\n\t// When the styles change, update the <style> tags\n\tif(!content.locals) {\n\t\tmodule.hot.accept(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\", function() {\n\t\t\tvar newContent = require(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\");\n\t\t\tif(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n\t\t\tupdate(newContent);\n\t\t});\n\t}\n\t// When the module is disposed, remove the <style> tags\n\tmodule.hot.dispose(function() { update(); });\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/vue-style-loader!./~/css-loader?sourceMap!./~/vue-loader/lib/style-rewriter.js!./~/vue-loader/lib/selector.js?type=style&index=0!./src/VueBootstrapTable.vue\n// module id = 2\n// module chunks = 0","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")();\n// imports\n\n\n// module\nexports.push([module.id, \"\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n    .vue-table {\\n\\n    }\\n\\n    /*#maindiv {\\n        content: \\\" \\\";\\n        box-sizing: border-box;\\n        display:\\n        table; width: 100%;\\n    }\\n*/\\n    .spinner {\\n        border: 16px solid #f3f3f3; /* Light grey */\\n        border-top: 16px solid #3498db; /* Blue */\\n        border-radius: 50%;\\n        width: 120px;\\n        height: 120px;\\n        -webkit-animation: spin 2s linear infinite;\\n                animation: spin 2s linear infinite;\\n        position: absolute;\\n        left: 50%;\\n        top: 50%;\\n        margin: -60px 0 0 -60px;\\n    }\\n\\n    @-webkit-keyframes spin {\\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\\n    }\\n\\n    @keyframes spin {\\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\\n    }\\n\\n\\n    .vue-table-loading{\\n        position: absolute;\\n        z-index: 99;\\n        background-color: #ddd;\\n        opacity: 0.5;\\n        width: 100%;\\n        height: 100%;\\n    }\\n\\n    .vue-table-loading-hidden {\\n        display: none;\\n    }\\n\\n    table.vue-table thead > tr > th {\\n        cursor: pointer;\\n        padding-right: 30px !important;\\n    }\\n\\n    /*.vue-table th.active {\\n        color: red;\\n    }*/\\n\\n    .vue-table .arrow {\\n        opacity: 1;\\n        position: relative;\\n    }\\n\\n    .vue-table .arrow:after {\\n        position: absolute;\\n        bottom: 8px;\\n        right: 8px;\\n        display: block;\\n        font-family: 'Glyphicons Halflings';\\n        content: \\\"\\\\E150\\\";\\n        /*\\n        display: inline-block;\\n        vertical-align: middle;\\n        width: 0;\\n        height: 0;\\n        margin-left: 5px;\\n        opacity: 0.66;*/\\n    }\\n\\n    .vue-table .arrow.asc:after {\\n        content: \\\"\\\\E155\\\";\\n        /*\\n        border-left: 4px solid transparent;\\n        border-right: 4px solid transparent;\\n        border-bottom: 4px solid #000;\\n        */\\n    }\\n\\n    .vue-table .arrow.dsc:after {\\n        content: \\\"\\\\E156\\\";\\n    }\\n\\n\\n    .vue-table .editableField {\\n        cursor:pointer;\\n    }\\n\\n    /*.vue-table .selected-cell {\\n        background-color: #F7C072;\\n    }\\n\\n    .vue-table .selected-row {\\n        background-color: #FAE1BE !important;\\n    }*/\\n\", \"\", {\"version\":3,\"sources\":[\"/./src/VueBootstrapTable.vue?40e910cc\"],\"names\":[],\"mappings\":\";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;IAkFA;;KAEA;;IAEA;;;;;;EAMA;IACA;QACA,2BAAA,CAAA,gBAAA;QACA,+BAAA,CAAA,UAAA;QACA,mBAAA;QACA,aAAA;QACA,cAAA;QACA,2CAAA;gBAAA,mCAAA;QACA,mBAAA;QACA,UAAA;QACA,SAAA;QACA,wBAAA;KACA;;IAEA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;IAHA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;;IAGA;QACA,mBAAA;QACA,YAAA;QACA,uBAAA;QACA,aAAA;QACA,YAAA;QACA,aAAA;KACA;;IAEA;QACA,cAAA;KACA;;IAEA;QACA,gBAAA;QACA,+BAAA;KACA;;IAEA;;OAEA;;IAEA;QACA,WAAA;QACA,mBAAA;KACA;;IAEA;QACA,mBAAA;QACA,YAAA;QACA,WAAA;QACA,eAAA;QACA,oCAAA;QACA,iBAAA;QACA;;;;;;wBAMA;KACA;;IAEA;QACA,iBAAA;QACA;;;;UAIA;KACA;;IAEA;QACA,iBAAA;KACA;;;IAGA;QACA,eAAA;KACA;;IAEA;;;;;;OAMA\",\"file\":\"VueBootstrapTable.vue\",\"sourcesContent\":[\"<template>\\n    <div id=\\\"maindiv\\\" @click=\\\"closeDropdown\\\" @keyup.esc=\\\"closeDropdown\\\">\\n        <!--<pre>{{columns | json}}</pre>-->\\n        <!--<pre>{{$data | json}}</pre>-->\\n        <div class=\\\"col-sm-6\\\">\\n            <div v-if=\\\"showFilter\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;\\\">\\n                <div class=\\\"input-group\\\">\\n                    <input type=\\\"text\\\" class=\\\"form-control\\\" placeholder=\\\"Filter\\\" v-model=\\\"filterKey\\\">\\n                    <div class=\\\"input-group-addon\\\">\\n                        <i class=\\\"glyphicon glyphicon-search\\\"></i>\\n                    </div>\\n                </div>\\n            </div>\\n        </div>\\n        <div class=\\\"col-sm-6\\\">\\n            <div v-if=\\\"showColumnPicker\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;float:right;\\\">\\n                <div class=\\\"btn-group\\\" :class=\\\"{'open' : columnMenuOpen}\\\">\\n                    <button @click.stop.prevent=\\\"columnMenuOpen = !columnMenuOpen\\\" @keyup.esc=\\\"columnMenuOpen = false\\\"\\n                            type=\\\"button\\\" class=\\\"btn btn-default dropdown-toggle\\\" data-toggle=\\\"dropdown\\\"\\n                            aria-haspopup=\\\"true\\\">\\n                        Columns <span class=\\\"caret\\\"></span>\\n                    </button>\\n                    <ul class=\\\"dropdown-menu\\\">\\n                        <li v-for=\\\"column in displayCols\\\">\\n                            <a href=\\\"#\\\" @click.stop.prevent=\\\"toggleColumn(column)\\\">\\n                                <i v-if=\\\"column.visible\\\" class=\\\"glyphicon glyphicon-ok\\\"></i> {{column.title}}\\n                            </a>\\n                        </li>\\n                    </ul>\\n                </div>\\n            </div>\\n        </div>\\n        <div class=\\\"col-sm-12\\\">\\n            <div id=\\\"loadingdiv\\\" :class=\\\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\\\">\\n                <div class=\\\"spinner\\\"></div>\\n            </div>\\n            <table class=\\\"table table-bordered table-hover table-condensed table-striped vue-table\\\">\\n                <thead>\\n                    <tr>\\n                        <th v-for=\\\"column in displayCols | filterBy true in 'visible'\\\" @click=\\\"sortBy(column.name)\\\"\\n                            track-by=\\\"$index\\\"\\n                            :class=\\\"getClasses(column.name)\\\">\\n                            {{ column.title }}\\n                        </th>\\n                    </tr>\\n                </thead>\\n                <tbody>\\n                    <tr v-for=\\\"entry in filteredValues | orderBy sortKey sortOrders[sortKey]\\\" track-by=\\\"$index\\\">\\n                        <td v-for=\\\"column in displayCols | filterBy true in 'visible'\\\" track-by=\\\"$index\\\"\\n                            v-show=\\\"column.visible\\\">\\n                            <span v-if=\\\"!column.editable\\\"> {{ entry[column.name] }} </span>\\n                            <value-field-section v-else\\n                                :entry=\\\"entry\\\"\\n                                :columnname=\\\"column.name\\\"\\n                                :value=\\\"entry[column.name]\\\"></value-field-section>\\n                        </td>\\n                    </tr>\\n                </tbody>\\n            </table>\\n        </div>\\n        <div v-if=\\\"paginated\\\" class=\\\"col-sm-12\\\">\\n            <div class=\\\"btn-toolbar\\\" role=\\\"toolbar\\\" aria-label=\\\"pagination bar\\\">\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"first page\\\">\\n                <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=1\\\">&laquo;</button>\\n              </div>\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"pages\\\">\\n                <button v-for=\\\"index in validPageNumbers\\\"\\n                    type=\\\"button\\\" class=\\\"btn btn-default\\\"\\n                    v-bind:class=\\\"{ active: this.page===index }\\\"\\n                    @click=\\\"this.page=index\\\">\\n                        {{index}}\\n                </button>\\n              </div>\\n              <div class=\\\"btn-group\\\" v-if=\\\"showPaginationEtc\\\">...</div>\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"last page\\\">\\n                <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=this.maxPage\\\">&raquo;</button>\\n              </div>\\n            </div>\\n        </div>\\n    </div>\\n</template>\\n<style>\\n    .vue-table {\\n\\n    }\\n\\n    /*#maindiv {\\n        content: \\\" \\\";\\n        box-sizing: border-box;\\n        display:\\n        table; width: 100%;\\n    }\\n*/\\n    .spinner {\\n        border: 16px solid #f3f3f3; /* Light grey */\\n        border-top: 16px solid #3498db; /* Blue */\\n        border-radius: 50%;\\n        width: 120px;\\n        height: 120px;\\n        animation: spin 2s linear infinite;\\n        position: absolute;\\n        left: 50%;\\n        top: 50%;\\n        margin: -60px 0 0 -60px;\\n    }\\n\\n    @keyframes spin {\\n        0% { transform: rotate(0deg); }\\n        100% { transform: rotate(360deg); }\\n    }\\n\\n\\n    .vue-table-loading{\\n        position: absolute;\\n        z-index: 99;\\n        background-color: #ddd;\\n        opacity: 0.5;\\n        width: 100%;\\n        height: 100%;\\n    }\\n\\n    .vue-table-loading-hidden {\\n        display: none;\\n    }\\n\\n    table.vue-table thead > tr > th {\\n        cursor: pointer;\\n        padding-right: 30px !important;\\n    }\\n\\n    /*.vue-table th.active {\\n        color: red;\\n    }*/\\n\\n    .vue-table .arrow {\\n        opacity: 1;\\n        position: relative;\\n    }\\n\\n    .vue-table .arrow:after {\\n        position: absolute;\\n        bottom: 8px;\\n        right: 8px;\\n        display: block;\\n        font-family: 'Glyphicons Halflings';\\n        content: \\\"\\\\e150\\\";\\n        /*\\n        display: inline-block;\\n        vertical-align: middle;\\n        width: 0;\\n        height: 0;\\n        margin-left: 5px;\\n        opacity: 0.66;*/\\n    }\\n\\n    .vue-table .arrow.asc:after {\\n        content: \\\"\\\\e155\\\";\\n        /*\\n        border-left: 4px solid transparent;\\n        border-right: 4px solid transparent;\\n        border-bottom: 4px solid #000;\\n        */\\n    }\\n\\n    .vue-table .arrow.dsc:after {\\n        content: \\\"\\\\e156\\\";\\n    }\\n\\n\\n    .vue-table .editableField {\\n        cursor:pointer;\\n    }\\n\\n    /*.vue-table .selected-cell {\\n        background-color: #F7C072;\\n    }\\n\\n    .vue-table .selected-row {\\n        background-color: #FAE1BE !important;\\n    }*/\\n</style>\\n<script>\\n\\n    import axios from 'axios';\\n    import qs from 'qs';\\n\\n    /* Field Section used for displaying and editing value of cell */\\n    var valueFieldSection = {\\n      template: '<span v-if=\\\"!enabled\\\" @dblclick=\\\"toggleInput\\\" class=\\\"editableField\\\"> {{ value }} </span>'+\\n          '<div v-if=\\\"enabled\\\" class=\\\"input-group\\\">'+\\n          '  <input type=\\\"text\\\" class=\\\"form-control\\\" v-model=\\\"value\\\" @keyup.enter=\\\"saveThis\\\" @keyup.esc=\\\"cancelThis\\\">'+\\n          '  <span class=\\\"input-group-btn\\\">'+\\n          '    <button class=\\\"btn btn-danger\\\" type=\\\"button\\\" @click=\\\"cancelThis\\\" ><span class=\\\"glyphicon glyphicon-remove\\\" aria-hidden=\\\"true\\\"></span></button>'+\\n          '    <button class=\\\"btn btn-primary\\\" type=\\\"button\\\" @click=\\\"saveThis\\\" ><span class=\\\"glyphicon glyphicon-ok\\\" aria-hidden=\\\"true\\\"></span></button>'+\\n          '  </span>'+\\n          '</div>',\\n      props: ['entry','value','columnname'],\\n      data: function () {\\n          return {\\n            enabled: false,\\n          }\\n      },\\n      methods: {\\n        saveThis: function () {\\n            var originalValue = this.entry[this.columnname];\\n            this.entry[this.columnname] = this.value;\\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.value, this.columnname,  this.entry);\\n            this.enabled = !this.enabled;\\n        },\\n        cancelThis: function () {\\n            this.value = this.entry[this.column-name];\\n            this.enabled = !this.enabled;\\n        },\\n        toggleInput: function () {\\n            this.enabled=!this.enabled;\\n        },\\n      }\\n    };\\n\\n    export default {\\n        name: \\\"VueBootstrapTable\\\",\\n        components: {\\n            'value-field-section': valueFieldSection,\\n        },\\n        props: {\\n            /**\\n             * The column titles, required\\n             */\\n            columns: {\\n                type: Array,\\n                required: true,\\n            },\\n            /**\\n             * The rows, an Array of objects\\n             */\\n            values: {\\n                type: Array,\\n                required: false,\\n            },\\n            /**\\n             * Enable/disable table sorting, optional, default true\\n             */\\n            sortable: {\\n                type: Boolean,\\n                required: false,\\n                default: true,\\n            },\\n            /**\\n             * Enable/disable input filter, optional, default false\\n             */\\n            showFilter: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * Enable/disable column picker to show/hide table columns, optional, default false\\n             */\\n            showColumnPicker: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * Enable/disable pagination for the table, optional, default false\\n             */\\n            paginated: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * If pagination is enabled defining the page size, optional, default 10\\n             */\\n            pageSize: {\\n                type: Number,\\n                required: false,\\n                default: 10,\\n            },\\n            /**\\n             * If loading of table is to be done through ajax, then this object must be set\\n             */\\n            ajax: {\\n                type: Object,\\n                required: false,\\n                default: function () {\\n                    return {\\n                        enabled: false,\\n                        url: \\\"\\\",\\n                        method: \\\"GET\\\",\\n                        delegate: false,\\n                    }\\n                }\\n            },\\n        },\\n        data: function () {\\n            return {\\n                filteredSize: 0,\\n                filterKey: \\\"\\\",\\n                sortKey: \\\"\\\",\\n                sortDir: \\\"\\\",\\n                sortOrders: {},\\n                columnMenuOpen: false,\\n                displayCols: [],\\n                filteredValues: [],\\n                page: 1,\\n                echo: 0,\\n                loading: false,\\n            };\\n        },\\n        ready: function () {\\n            this.loading= true;\\n            this.setSortOrders();\\n            var self = this;\\n            this.columns.forEach(function (column) {\\n                var obj = self.buildColumnObject(column);\\n                self.displayCols.push(obj);\\n            });\\n            if (this.ajax.enabled) {\\n                if (!this.ajax.delegate) {\\n                    this.loading= true;\\n                    this.fetchData(function (data) {\\n                        self.values = data.data;\\n                        self.processFilter();\\n                    });\\n                }else\\n                    this.processFilter();\\n            }else\\n                this.processFilter();\\n        },\\n        watch: {\\n            values: function () {\\n            },\\n            columns: function () {\\n                this.displayCols = [];\\n                var self = this;\\n                this.columns.forEach(function (column) {\\n                    var obj = self.buildColumnObject(column);\\n                    self.displayCols.push(obj);\\n                });\\n                this.setSortOrders();\\n            },\\n            showFilter: function () {\\n                this.filterKey = \\\"\\\";\\n            },\\n            showColumnPicker: function () {\\n                this.columnMenuOpen = false;\\n\\n                this.displayCols.forEach(function (column) {\\n                    column.visible = true;\\n                });\\n            },\\n            filterKey: function () {\\n                // filter was updated, so resetting to page 1\\n                this.page = 1;\\n                this.processFilter();\\n            },\\n            sortKey: function () {\\n                this.processFilter();\\n            },\\n            sortDir: function () {\\n                this.processFilter();\\n            },\\n            page: function () {\\n                this.processFilter();\\n            },\\n            paginated: function () {\\n                this.processFilter();\\n            },\\n            loading: function () {\\n                /*document.getElementById(\\\"loadingdiv\\\").style.width = document.getElementById(\\\"maindiv\\\").getBoundingClientRect().width + \\\"px\\\";\\n                document.getElementById(\\\"loadingdiv\\\").style.height = document.getElementById(\\\"maindiv\\\").getBoundingClientRect().height+\\\"px\\\";*/\\n            }\\n        },\\n        computed: {\\n            validPageNumbers: function () {\\n                // 5 page max\\n                var result = [];\\n                var start = 1;\\n                if (this.page > 3)\\n                    start = this.page-2;\\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\\n                    result.push(start);\\n                    i++;\\n                }\\n                return result;\\n            },\\n            maxPage: function () {\\n                return Math.ceil(this.filteredSize / this.pageSize);\\n            },\\n            showPaginationEtc: function () {\\n                var temp = 1;\\n                if (this.page > 3)\\n                    temp = this.page-2;\\n                return ( (temp+4) < this.maxPage  );\\n            },\\n        },\\n        methods: {\\n            processFilter: function () {\\n                var self = this;\\n                this.loading = true;\\n                if ( this.ajax.enabled && this.ajax.delegate ) {\\n                   this.fetchData(function (data) {\\n                       self.filteredSize = data.filtered;\\n                       self.filteredValues = data.data;\\n                       self.loading = false;\\n                   });\\n                } else {\\n                    var result = this.$options.filters.filterBy(this.values, this.filterKey);\\n                    result = this.$options.filters.orderBy(result, this.sortKey, this.sortOrders[this.sortKey]);\\n                    this.filteredSize = result.length;\\n                    if (this.paginated) {\\n                        var startIndex = (this.page - 1) * this.pageSize;\\n                        var tIndex = 0;\\n                        var tempResult = [];\\n                        while (tIndex < this.pageSize) {\\n                            if (typeof result[startIndex + tIndex] !== \\\"undefined\\\")\\n                                tempResult.push(result[startIndex + tIndex]);\\n                            tIndex++;\\n                        }\\n                        self.filteredValues = tempResult;\\n                    } else\\n                        self.filteredValues = result;\\n                    self.loading = false;\\n                }\\n            },\\n            fetchData: function ( dataCallBackFunction ) {\\n                var self = this;\\n                var ajaxParameters = {\\n\\n                };\\n                this.echo++;\\n                if (this.ajax.enabled && this.ajax.delegate) {\\n                    if ( this.ajax.method=== \\\"GET\\\" ) {\\n                        ajaxParameters.params.sortcol = this.sortKey;\\n                        ajaxParameters.params.sortdir = this.sortDir;\\n                        ajaxParameters.params.filter = this.filterKey;\\n                        if (self.paginated ) {\\n                            ajaxParameters.params.page = this.page;\\n                            ajaxParameters.params.pagesize = this.pageSize;\\n                        } else {\\n                            ajaxParameters.params.page = 1;\\n                            ajaxParameters.params.pagesize = null;\\n                        }\\n                        ajaxParameters.params.echo = this.echo;\\n                    }\\n                    if ( this.ajax.method=== \\\"POST\\\" ) {\\n                        ajaxParameters.sortcol = this.sortKey;\\n                        ajaxParameters.sortdir = this.sortDir;\\n                        ajaxParameters.filter = this.filterKey;\\n                        if (self.paginated ) {\\n                            ajaxParameters.page = this.page;\\n                            ajaxParameters.pagesize = this.pageSize;\\n                        } else {\\n                            ajaxParameters.page = 1;\\n                            ajaxParameters.pagesize = null;\\n                        }\\n                        ajaxParameters.echo = this.echo;\\n                    }\\n                    //console.log(JSON.stringify(ajaxParameters));\\n                }\\n                if (this.ajax.enabled && this.ajax.method === \\\"GET\\\") {\\n                    axios.get(self.ajax.url, ajaxParameters )\\n                        .then(response => {\\n                            if (response.data.echo === self.echo) {\\n                                dataCallBackFunction(response.data);\\n                                this.$dispatch('ajaxLoadedEvent', response.data);\\n                            }\\n                        })\\n                        .catch(e => {\\n                            this.$dispatch('ajaxLoadingError', e);\\n                        });\\n                }\\n                if (this.ajax.enabled && this.ajax.method === \\\"POST\\\") {\\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\\n                        .then(response => {\\n                            if (response.data.echo === self.echo) {\\n                                dataCallBackFunction(response.data);\\n                                this.$dispatch('ajaxLoadedEvent', response.data);\\n                            }\\n                        })\\n                        .catch(e => {\\n                            this.$dispatch('ajaxLoadingError', e);\\n                        });\\n                }\\n            },\\n            buildColumnObject: function (column) {\\n                var obj = {};\\n                obj.title = column.title;\\n                if ( typeof column.name !== \\\"undefined\\\")\\n                    obj.name = column.name;\\n                else\\n                    obj.name = column.title;\\n                if ( typeof column.visible !== \\\"undefined\\\")\\n                    obj.visible = column.visible;\\n                else\\n                    obj.visible = true;\\n                if ( typeof column.editable !== \\\"undefined\\\")\\n                    obj.editable = column.editable;\\n                else\\n                    obj.editable = false;\\n                return obj;\\n            },\\n            setSortOrders: function () {\\n                this.sortKey = \\\"\\\";\\n                var sortOrders = {};\\n                this.columns.forEach(function (column) {\\n                    sortOrders[column.name] = 0;\\n                });\\n                this.sortOrders = sortOrders;\\n\\n            },\\n            sortBy: function (key) {\\n                if (this.sortable) {\\n                    var self = this;\\n                    this.sortKey = key;\\n                    this.columns.forEach(function (column) {\\n                        if (column.name !== key) {\\n                            self.sortOrders[column.name] = 0;\\n                        }\\n                    });\\n                    if (this.sortOrders[key] === 0) {\\n                        this.sortOrders[key] = 1;\\n                    } else {\\n                        this.sortOrders[key] = this.sortOrders[key] * -1;\\n                    }\\n\\n                    if (this.sortOrders[key] === 1)\\n                        this.sortDir = \\\"ASC\\\";\\n                    if (this.sortOrders[key] === -1)\\n                        this.sortDir = \\\"DESC\\\";\\n                }\\n            },\\n            getClasses: function (key) {\\n                var classes = [];\\n                if (this.sortable) {\\n                    classes.push(\\\"arrow\\\");\\n                    if (this.sortKey === key) {\\n                        classes.push(\\\"active\\\");\\n                    }\\n                    if (this.sortOrders[key] === 1) {\\n                        classes.push(\\\"asc\\\");\\n                    } else if (this.sortOrders[key] === -1) {\\n                        classes.push(\\\"dsc\\\");\\n                    }\\n                }\\n                return classes;\\n            },\\n            toggleColumn: function (column) {\\n                column.visible = !column.visible;\\n            },\\n            closeDropdown: function () {\\n                this.columnMenuOpen = false;\\n            },\\n        },\\n        events: {\\n        }\\n    }\\n</script>\"],\"sourceRoot\":\"webpack://\"}]);\n\n// exports\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/css-loader?sourceMap!./~/vue-loader/lib/style-rewriter.js!./~/vue-loader/lib/selector.js?type=style&index=0!./src/VueBootstrapTable.vue\n// module id = 3\n// module chunks = 0","/*\r\n\tMIT License http://www.opensource.org/licenses/mit-license.php\r\n\tAuthor Tobias Koppers @sokra\r\n*/\r\n// css base code, injected by the css-loader\r\nmodule.exports = function() {\r\n\tvar list = [];\r\n\r\n\t// return the list of modules as css string\r\n\tlist.toString = function toString() {\r\n\t\tvar result = [];\r\n\t\tfor(var i = 0; i < this.length; i++) {\r\n\t\t\tvar item = this[i];\r\n\t\t\tif(item[2]) {\r\n\t\t\t\tresult.push(\"@media \" + item[2] + \"{\" + item[1] + \"}\");\r\n\t\t\t} else {\r\n\t\t\t\tresult.push(item[1]);\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn result.join(\"\");\r\n\t};\r\n\r\n\t// import a list of modules into the list\r\n\tlist.i = function(modules, mediaQuery) {\r\n\t\tif(typeof modules === \"string\")\r\n\t\t\tmodules = [[null, modules, \"\"]];\r\n\t\tvar alreadyImportedModules = {};\r\n\t\tfor(var i = 0; i < this.length; i++) {\r\n\t\t\tvar id = this[i][0];\r\n\t\t\tif(typeof id === \"number\")\r\n\t\t\t\talreadyImportedModules[id] = true;\r\n\t\t}\r\n\t\tfor(i = 0; i < modules.length; i++) {\r\n\t\t\tvar item = modules[i];\r\n\t\t\t// skip already imported module\r\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\r\n\t\t\t//  when a module is imported multiple times with different media queries.\r\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\r\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\r\n\t\t\t\tif(mediaQuery && !item[2]) {\r\n\t\t\t\t\titem[2] = mediaQuery;\r\n\t\t\t\t} else if(mediaQuery) {\r\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\r\n\t\t\t\t}\r\n\t\t\t\tlist.push(item);\r\n\t\t\t}\r\n\t\t}\r\n\t};\r\n\treturn list;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/css-loader/lib/css-base.js\n// module id = 4\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\nvar stylesInDom = {},\n\tmemoize = function(fn) {\n\t\tvar memo;\n\t\treturn function () {\n\t\t\tif (typeof memo === \"undefined\") memo = fn.apply(this, arguments);\n\t\t\treturn memo;\n\t\t};\n\t},\n\tisOldIE = memoize(function() {\n\t\treturn /msie [6-9]\\b/.test(window.navigator.userAgent.toLowerCase());\n\t}),\n\tgetHeadElement = memoize(function () {\n\t\treturn document.head || document.getElementsByTagName(\"head\")[0];\n\t}),\n\tsingletonElement = null,\n\tsingletonCounter = 0,\n\tstyleElementsInsertedAtTop = [];\n\nmodule.exports = function(list, options) {\n\tif(typeof DEBUG !== \"undefined\" && DEBUG) {\n\t\tif(typeof document !== \"object\") throw new Error(\"The style-loader cannot be used in a non-browser environment\");\n\t}\n\n\toptions = options || {};\n\t// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n\t// tags it will allow on a page\n\tif (typeof options.singleton === \"undefined\") options.singleton = isOldIE();\n\n\t// By default, add <style> tags to the bottom of <head>.\n\tif (typeof options.insertAt === \"undefined\") options.insertAt = \"bottom\";\n\n\tvar styles = listToStyles(list);\n\taddStylesToDom(styles, options);\n\n\treturn function update(newList) {\n\t\tvar mayRemove = [];\n\t\tfor(var i = 0; i < styles.length; i++) {\n\t\t\tvar item = styles[i];\n\t\t\tvar domStyle = stylesInDom[item.id];\n\t\t\tdomStyle.refs--;\n\t\t\tmayRemove.push(domStyle);\n\t\t}\n\t\tif(newList) {\n\t\t\tvar newStyles = listToStyles(newList);\n\t\t\taddStylesToDom(newStyles, options);\n\t\t}\n\t\tfor(var i = 0; i < mayRemove.length; i++) {\n\t\t\tvar domStyle = mayRemove[i];\n\t\t\tif(domStyle.refs === 0) {\n\t\t\t\tfor(var j = 0; j < domStyle.parts.length; j++)\n\t\t\t\t\tdomStyle.parts[j]();\n\t\t\t\tdelete stylesInDom[domStyle.id];\n\t\t\t}\n\t\t}\n\t};\n}\n\nfunction addStylesToDom(styles, options) {\n\tfor(var i = 0; i < styles.length; i++) {\n\t\tvar item = styles[i];\n\t\tvar domStyle = stylesInDom[item.id];\n\t\tif(domStyle) {\n\t\t\tdomStyle.refs++;\n\t\t\tfor(var j = 0; j < domStyle.parts.length; j++) {\n\t\t\t\tdomStyle.parts[j](item.parts[j]);\n\t\t\t}\n\t\t\tfor(; j < item.parts.length; j++) {\n\t\t\t\tdomStyle.parts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t} else {\n\t\t\tvar parts = [];\n\t\t\tfor(var j = 0; j < item.parts.length; j++) {\n\t\t\t\tparts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t\tstylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};\n\t\t}\n\t}\n}\n\nfunction listToStyles(list) {\n\tvar styles = [];\n\tvar newStyles = {};\n\tfor(var i = 0; i < list.length; i++) {\n\t\tvar item = list[i];\n\t\tvar id = item[0];\n\t\tvar css = item[1];\n\t\tvar media = item[2];\n\t\tvar sourceMap = item[3];\n\t\tvar part = {css: css, media: media, sourceMap: sourceMap};\n\t\tif(!newStyles[id])\n\t\t\tstyles.push(newStyles[id] = {id: id, parts: [part]});\n\t\telse\n\t\t\tnewStyles[id].parts.push(part);\n\t}\n\treturn styles;\n}\n\nfunction insertStyleElement(options, styleElement) {\n\tvar head = getHeadElement();\n\tvar lastStyleElementInsertedAtTop = styleElementsInsertedAtTop[styleElementsInsertedAtTop.length - 1];\n\tif (options.insertAt === \"top\") {\n\t\tif(!lastStyleElementInsertedAtTop) {\n\t\t\thead.insertBefore(styleElement, head.firstChild);\n\t\t} else if(lastStyleElementInsertedAtTop.nextSibling) {\n\t\t\thead.insertBefore(styleElement, lastStyleElementInsertedAtTop.nextSibling);\n\t\t} else {\n\t\t\thead.appendChild(styleElement);\n\t\t}\n\t\tstyleElementsInsertedAtTop.push(styleElement);\n\t} else if (options.insertAt === \"bottom\") {\n\t\thead.appendChild(styleElement);\n\t} else {\n\t\tthrow new Error(\"Invalid value for parameter 'insertAt'. Must be 'top' or 'bottom'.\");\n\t}\n}\n\nfunction removeStyleElement(styleElement) {\n\tstyleElement.parentNode.removeChild(styleElement);\n\tvar idx = styleElementsInsertedAtTop.indexOf(styleElement);\n\tif(idx >= 0) {\n\t\tstyleElementsInsertedAtTop.splice(idx, 1);\n\t}\n}\n\nfunction createStyleElement(options) {\n\tvar styleElement = document.createElement(\"style\");\n\tstyleElement.type = \"text/css\";\n\tinsertStyleElement(options, styleElement);\n\treturn styleElement;\n}\n\nfunction addStyle(obj, options) {\n\tvar styleElement, update, remove;\n\n\tif (options.singleton) {\n\t\tvar styleIndex = singletonCounter++;\n\t\tstyleElement = singletonElement || (singletonElement = createStyleElement(options));\n\t\tupdate = applyToSingletonTag.bind(null, styleElement, styleIndex, false);\n\t\tremove = applyToSingletonTag.bind(null, styleElement, styleIndex, true);\n\t} else {\n\t\tstyleElement = createStyleElement(options);\n\t\tupdate = applyToTag.bind(null, styleElement);\n\t\tremove = function() {\n\t\t\tremoveStyleElement(styleElement);\n\t\t};\n\t}\n\n\tupdate(obj);\n\n\treturn function updateStyle(newObj) {\n\t\tif(newObj) {\n\t\t\tif(newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap)\n\t\t\t\treturn;\n\t\t\tupdate(obj = newObj);\n\t\t} else {\n\t\t\tremove();\n\t\t}\n\t};\n}\n\nvar replaceText = (function () {\n\tvar textStore = [];\n\n\treturn function (index, replacement) {\n\t\ttextStore[index] = replacement;\n\t\treturn textStore.filter(Boolean).join('\\n');\n\t};\n})();\n\nfunction applyToSingletonTag(styleElement, index, remove, obj) {\n\tvar css = remove ? \"\" : obj.css;\n\n\tif (styleElement.styleSheet) {\n\t\tstyleElement.styleSheet.cssText = replaceText(index, css);\n\t} else {\n\t\tvar cssNode = document.createTextNode(css);\n\t\tvar childNodes = styleElement.childNodes;\n\t\tif (childNodes[index]) styleElement.removeChild(childNodes[index]);\n\t\tif (childNodes.length) {\n\t\t\tstyleElement.insertBefore(cssNode, childNodes[index]);\n\t\t} else {\n\t\t\tstyleElement.appendChild(cssNode);\n\t\t}\n\t}\n}\n\nfunction applyToTag(styleElement, obj) {\n\tvar css = obj.css;\n\tvar media = obj.media;\n\tvar sourceMap = obj.sourceMap;\n\n\tif (media) {\n\t\tstyleElement.setAttribute(\"media\", media);\n\t}\n\n\tif (sourceMap) {\n\t\t// https://developer.chrome.com/devtools/docs/javascript-debugging\n\t\t// this makes source maps inside style tags work properly in Chrome\n\t\tcss += '\\n/*# sourceURL=' + sourceMap.sources[0] + ' */';\n\t\t// http://stackoverflow.com/a/26603875\n\t\tcss += \"\\n/*# sourceMappingURL=data:application/json;base64,\" + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + \" */\";\n\t}\n\n\tif (styleElement.styleSheet) {\n\t\tstyleElement.styleSheet.cssText = css;\n\t} else {\n\t\twhile(styleElement.firstChild) {\n\t\t\tstyleElement.removeChild(styleElement.firstChild);\n\t\t}\n\t\tstyleElement.appendChild(document.createTextNode(css));\n\t}\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/vue-style-loader/addStyles.js\n// module id = 5\n// module chunks = 0","<template>\n    <div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n        <!--<pre>{{columns | json}}</pre>-->\n        <!--<pre>{{$data | json}}</pre>-->\n        <div class=\"col-sm-6\">\n            <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n                <div class=\"input-group\">\n                    <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                    <div class=\"input-group-addon\">\n                        <i class=\"glyphicon glyphicon-search\"></i>\n                    </div>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-6\">\n            <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n                <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                    <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                            type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                            aria-haspopup=\"true\">\n                        Columns <span class=\"caret\"></span>\n                    </button>\n                    <ul class=\"dropdown-menu\">\n                        <li v-for=\"column in displayCols\">\n                            <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                                <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                            </a>\n                        </li>\n                    </ul>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-12\">\n            <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n                <div class=\"spinner\"></div>\n            </div>\n            <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n                <thead>\n                    <tr>\n                        <th v-for=\"column in displayCols | filterBy true in 'visible'\" @click=\"sortBy(column.name)\"\n                            track-by=\"$index\"\n                            :class=\"getClasses(column.name)\">\n                            {{ column.title }}\n                        </th>\n                    </tr>\n                </thead>\n                <tbody>\n                    <tr v-for=\"entry in filteredValues | orderBy sortKey sortOrders[sortKey]\" track-by=\"$index\">\n                        <td v-for=\"column in displayCols | filterBy true in 'visible'\" track-by=\"$index\"\n                            v-show=\"column.visible\">\n                            <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                            <value-field-section v-else\n                                :entry=\"entry\"\n                                :columnname=\"column.name\"\n                                :value=\"entry[column.name]\"></value-field-section>\n                        </td>\n                    </tr>\n                </tbody>\n            </table>\n        </div>\n        <div v-if=\"paginated\" class=\"col-sm-12\">\n            <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n              <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n              </div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n                <button v-for=\"index in validPageNumbers\"\n                    type=\"button\" class=\"btn btn-default\"\n                    v-bind:class=\"{ active: this.page===index }\"\n                    @click=\"this.page=index\">\n                        {{index}}\n                </button>\n              </div>\n              <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n              </div>\n            </div>\n        </div>\n    </div>\n</template>\n<style>\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @keyframes spin {\n        0% { transform: rotate(0deg); }\n        100% { transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\e150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\e155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\e156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n</style>\n<script>\n\n    import axios from 'axios';\n    import qs from 'qs';\n\n    /* Field Section used for displaying and editing value of cell */\n    var valueFieldSection = {\n      template: '<span v-if=\"!enabled\" @dblclick=\"toggleInput\" class=\"editableField\"> {{ value }} </span>'+\n          '<div v-if=\"enabled\" class=\"input-group\">'+\n          '  <input type=\"text\" class=\"form-control\" v-model=\"value\" @keyup.enter=\"saveThis\" @keyup.esc=\"cancelThis\">'+\n          '  <span class=\"input-group-btn\">'+\n          '    <button class=\"btn btn-danger\" type=\"button\" @click=\"cancelThis\" ><span class=\"glyphicon glyphicon-remove\" aria-hidden=\"true\"></span></button>'+\n          '    <button class=\"btn btn-primary\" type=\"button\" @click=\"saveThis\" ><span class=\"glyphicon glyphicon-ok\" aria-hidden=\"true\"></span></button>'+\n          '  </span>'+\n          '</div>',\n      props: ['entry','value','columnname'],\n      data: function () {\n          return {\n            enabled: false,\n          }\n      },\n      methods: {\n        saveThis: function () {\n            var originalValue = this.entry[this.columnname];\n            this.entry[this.columnname] = this.value;\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.value, this.columnname,  this.entry);\n            this.enabled = !this.enabled;\n        },\n        cancelThis: function () {\n            this.value = this.entry[this.column-name];\n            this.enabled = !this.enabled;\n        },\n        toggleInput: function () {\n            this.enabled=!this.enabled;\n        },\n      }\n    };\n\n    export default {\n        name: \"VueBootstrapTable\",\n        components: {\n            'value-field-section': valueFieldSection,\n        },\n        props: {\n            /**\n             * The column titles, required\n             */\n            columns: {\n                type: Array,\n                required: true,\n            },\n            /**\n             * The rows, an Array of objects\n             */\n            values: {\n                type: Array,\n                required: false,\n            },\n            /**\n             * Enable/disable table sorting, optional, default true\n             */\n            sortable: {\n                type: Boolean,\n                required: false,\n                default: true,\n            },\n            /**\n             * Enable/disable input filter, optional, default false\n             */\n            showFilter: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable column picker to show/hide table columns, optional, default false\n             */\n            showColumnPicker: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable pagination for the table, optional, default false\n             */\n            paginated: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * If pagination is enabled defining the page size, optional, default 10\n             */\n            pageSize: {\n                type: Number,\n                required: false,\n                default: 10,\n            },\n            /**\n             * If loading of table is to be done through ajax, then this object must be set\n             */\n            ajax: {\n                type: Object,\n                required: false,\n                default: function () {\n                    return {\n                        enabled: false,\n                        url: \"\",\n                        method: \"GET\",\n                        delegate: false,\n                    }\n                }\n            },\n        },\n        data: function () {\n            return {\n                filteredSize: 0,\n                filterKey: \"\",\n                sortKey: \"\",\n                sortDir: \"\",\n                sortOrders: {},\n                columnMenuOpen: false,\n                displayCols: [],\n                filteredValues: [],\n                page: 1,\n                echo: 0,\n                loading: false,\n            };\n        },\n        ready: function () {\n            this.loading= true;\n            this.setSortOrders();\n            var self = this;\n            this.columns.forEach(function (column) {\n                var obj = self.buildColumnObject(column);\n                self.displayCols.push(obj);\n            });\n            if (this.ajax.enabled) {\n                if (!this.ajax.delegate) {\n                    this.loading= true;\n                    this.fetchData(function (data) {\n                        self.values = data.data;\n                        self.processFilter();\n                    });\n                }else\n                    this.processFilter();\n            }else\n                this.processFilter();\n        },\n        watch: {\n            values: function () {\n            },\n            columns: function () {\n                this.displayCols = [];\n                var self = this;\n                this.columns.forEach(function (column) {\n                    var obj = self.buildColumnObject(column);\n                    self.displayCols.push(obj);\n                });\n                this.setSortOrders();\n            },\n            showFilter: function () {\n                this.filterKey = \"\";\n            },\n            showColumnPicker: function () {\n                this.columnMenuOpen = false;\n\n                this.displayCols.forEach(function (column) {\n                    column.visible = true;\n                });\n            },\n            filterKey: function () {\n                // filter was updated, so resetting to page 1\n                this.page = 1;\n                this.processFilter();\n            },\n            sortKey: function () {\n                this.processFilter();\n            },\n            sortDir: function () {\n                this.processFilter();\n            },\n            page: function () {\n                this.processFilter();\n            },\n            paginated: function () {\n                this.processFilter();\n            },\n            loading: function () {\n                /*document.getElementById(\"loadingdiv\").style.width = document.getElementById(\"maindiv\").getBoundingClientRect().width + \"px\";\n                document.getElementById(\"loadingdiv\").style.height = document.getElementById(\"maindiv\").getBoundingClientRect().height+\"px\";*/\n            }\n        },\n        computed: {\n            validPageNumbers: function () {\n                // 5 page max\n                var result = [];\n                var start = 1;\n                if (this.page > 3)\n                    start = this.page-2;\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\n                    result.push(start);\n                    i++;\n                }\n                return result;\n            },\n            maxPage: function () {\n                return Math.ceil(this.filteredSize / this.pageSize);\n            },\n            showPaginationEtc: function () {\n                var temp = 1;\n                if (this.page > 3)\n                    temp = this.page-2;\n                return ( (temp+4) < this.maxPage  );\n            },\n        },\n        methods: {\n            processFilter: function () {\n                var self = this;\n                this.loading = true;\n                if ( this.ajax.enabled && this.ajax.delegate ) {\n                   this.fetchData(function (data) {\n                       self.filteredSize = data.filtered;\n                       self.filteredValues = data.data;\n                       self.loading = false;\n                   });\n                } else {\n                    var result = this.$options.filters.filterBy(this.values, this.filterKey);\n                    result = this.$options.filters.orderBy(result, this.sortKey, this.sortOrders[this.sortKey]);\n                    this.filteredSize = result.length;\n                    if (this.paginated) {\n                        var startIndex = (this.page - 1) * this.pageSize;\n                        var tIndex = 0;\n                        var tempResult = [];\n                        while (tIndex < this.pageSize) {\n                            if (typeof result[startIndex + tIndex] !== \"undefined\")\n                                tempResult.push(result[startIndex + tIndex]);\n                            tIndex++;\n                        }\n                        self.filteredValues = tempResult;\n                    } else\n                        self.filteredValues = result;\n                    self.loading = false;\n                }\n            },\n            fetchData: function ( dataCallBackFunction ) {\n                var self = this;\n                var ajaxParameters = {\n\n                };\n                this.echo++;\n                if (this.ajax.enabled && this.ajax.delegate) {\n                    if ( this.ajax.method=== \"GET\" ) {\n                        ajaxParameters.params.sortcol = this.sortKey;\n                        ajaxParameters.params.sortdir = this.sortDir;\n                        ajaxParameters.params.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.params.page = this.page;\n                            ajaxParameters.params.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.params.page = 1;\n                            ajaxParameters.params.pagesize = null;\n                        }\n                        ajaxParameters.params.echo = this.echo;\n                    }\n                    if ( this.ajax.method=== \"POST\" ) {\n                        ajaxParameters.sortcol = this.sortKey;\n                        ajaxParameters.sortdir = this.sortDir;\n                        ajaxParameters.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.page = this.page;\n                            ajaxParameters.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.page = 1;\n                            ajaxParameters.pagesize = null;\n                        }\n                        ajaxParameters.echo = this.echo;\n                    }\n                    //console.log(JSON.stringify(ajaxParameters));\n                }\n                if (this.ajax.enabled && this.ajax.method === \"GET\") {\n                    axios.get(self.ajax.url, ajaxParameters )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n                if (this.ajax.enabled && this.ajax.method === \"POST\") {\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n            },\n            buildColumnObject: function (column) {\n                var obj = {};\n                obj.title = column.title;\n                if ( typeof column.name !== \"undefined\")\n                    obj.name = column.name;\n                else\n                    obj.name = column.title;\n                if ( typeof column.visible !== \"undefined\")\n                    obj.visible = column.visible;\n                else\n                    obj.visible = true;\n                if ( typeof column.editable !== \"undefined\")\n                    obj.editable = column.editable;\n                else\n                    obj.editable = false;\n                return obj;\n            },\n            setSortOrders: function () {\n                this.sortKey = \"\";\n                var sortOrders = {};\n                this.columns.forEach(function (column) {\n                    sortOrders[column.name] = 0;\n                });\n                this.sortOrders = sortOrders;\n\n            },\n            sortBy: function (key) {\n                if (this.sortable) {\n                    var self = this;\n                    this.sortKey = key;\n                    this.columns.forEach(function (column) {\n                        if (column.name !== key) {\n                            self.sortOrders[column.name] = 0;\n                        }\n                    });\n                    if (this.sortOrders[key] === 0) {\n                        this.sortOrders[key] = 1;\n                    } else {\n                        this.sortOrders[key] = this.sortOrders[key] * -1;\n                    }\n\n                    if (this.sortOrders[key] === 1)\n                        this.sortDir = \"ASC\";\n                    if (this.sortOrders[key] === -1)\n                        this.sortDir = \"DESC\";\n                }\n            },\n            getClasses: function (key) {\n                var classes = [];\n                if (this.sortable) {\n                    classes.push(\"arrow\");\n                    if (this.sortKey === key) {\n                        classes.push(\"active\");\n                    }\n                    if (this.sortOrders[key] === 1) {\n                        classes.push(\"asc\");\n                    } else if (this.sortOrders[key] === -1) {\n                        classes.push(\"dsc\");\n                    }\n                }\n                return classes;\n            },\n            toggleColumn: function (column) {\n                column.visible = !column.visible;\n            },\n            closeDropdown: function () {\n                this.columnMenuOpen = false;\n            },\n        },\n        events: {\n        }\n    }\n</script>\n\n\n// WEBPACK FOOTER //\n// VueBootstrapTable.vue?40e910cc","module.exports = require('./lib/axios');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/index.js\n// module id = 7\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar bind = require('./helpers/bind');\nvar Axios = require('./core/Axios');\nvar defaults = require('./defaults');\n\n/**\n * Create an instance of Axios\n *\n * @param {Object} defaultConfig The default config for the instance\n * @return {Axios} A new instance of Axios\n */\nfunction createInstance(defaultConfig) {\n  var context = new Axios(defaultConfig);\n  var instance = bind(Axios.prototype.request, context);\n\n  // Copy axios.prototype to instance\n  utils.extend(instance, Axios.prototype, context);\n\n  // Copy context to instance\n  utils.extend(instance, context);\n\n  return instance;\n}\n\n// Create the default instance to be exported\nvar axios = createInstance(defaults);\n\n// Expose Axios class to allow class inheritance\naxios.Axios = Axios;\n\n// Factory for creating new instances\naxios.create = function create(instanceConfig) {\n  return createInstance(utils.merge(defaults, instanceConfig));\n};\n\n// Expose Cancel & CancelToken\naxios.Cancel = require('./cancel/Cancel');\naxios.CancelToken = require('./cancel/CancelToken');\naxios.isCancel = require('./cancel/isCancel');\n\n// Expose all/spread\naxios.all = function all(promises) {\n  return Promise.all(promises);\n};\naxios.spread = require('./helpers/spread');\n\nmodule.exports = axios;\n\n// Allow use of default import syntax in TypeScript\nmodule.exports.default = axios;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/axios.js\n// module id = 8\n// module chunks = 0","'use strict';\n\nvar bind = require('./helpers/bind');\n\n/*global toString:true*/\n\n// utils is a library of generic helper functions non-specific to axios\n\nvar toString = Object.prototype.toString;\n\n/**\n * Determine if a value is an Array\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an Array, otherwise false\n */\nfunction isArray(val) {\n  return toString.call(val) === '[object Array]';\n}\n\n/**\n * Determine if a value is a Node Buffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Node Buffer, otherwise false\n */\nfunction isBuffer(val) {\n  return ((typeof Buffer !== 'undefined') && (Buffer.isBuffer) && (Buffer.isBuffer(val)));\n}\n\n/**\n * Determine if a value is an ArrayBuffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an ArrayBuffer, otherwise false\n */\nfunction isArrayBuffer(val) {\n  return toString.call(val) === '[object ArrayBuffer]';\n}\n\n/**\n * Determine if a value is a FormData\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an FormData, otherwise false\n */\nfunction isFormData(val) {\n  return (typeof FormData !== 'undefined') && (val instanceof FormData);\n}\n\n/**\n * Determine if a value is a view on an ArrayBuffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false\n */\nfunction isArrayBufferView(val) {\n  var result;\n  if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {\n    result = ArrayBuffer.isView(val);\n  } else {\n    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);\n  }\n  return result;\n}\n\n/**\n * Determine if a value is a String\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a String, otherwise false\n */\nfunction isString(val) {\n  return typeof val === 'string';\n}\n\n/**\n * Determine if a value is a Number\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Number, otherwise false\n */\nfunction isNumber(val) {\n  return typeof val === 'number';\n}\n\n/**\n * Determine if a value is undefined\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if the value is undefined, otherwise false\n */\nfunction isUndefined(val) {\n  return typeof val === 'undefined';\n}\n\n/**\n * Determine if a value is an Object\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an Object, otherwise false\n */\nfunction isObject(val) {\n  return val !== null && typeof val === 'object';\n}\n\n/**\n * Determine if a value is a Date\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Date, otherwise false\n */\nfunction isDate(val) {\n  return toString.call(val) === '[object Date]';\n}\n\n/**\n * Determine if a value is a File\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a File, otherwise false\n */\nfunction isFile(val) {\n  return toString.call(val) === '[object File]';\n}\n\n/**\n * Determine if a value is a Blob\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Blob, otherwise false\n */\nfunction isBlob(val) {\n  return toString.call(val) === '[object Blob]';\n}\n\n/**\n * Determine if a value is a Function\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Function, otherwise false\n */\nfunction isFunction(val) {\n  return toString.call(val) === '[object Function]';\n}\n\n/**\n * Determine if a value is a Stream\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Stream, otherwise false\n */\nfunction isStream(val) {\n  return isObject(val) && isFunction(val.pipe);\n}\n\n/**\n * Determine if a value is a URLSearchParams object\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a URLSearchParams object, otherwise false\n */\nfunction isURLSearchParams(val) {\n  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;\n}\n\n/**\n * Trim excess whitespace off the beginning and end of a string\n *\n * @param {String} str The String to trim\n * @returns {String} The String freed of excess whitespace\n */\nfunction trim(str) {\n  return str.replace(/^\\s*/, '').replace(/\\s*$/, '');\n}\n\n/**\n * Determine if we're running in a standard browser environment\n *\n * This allows axios to run in a web worker, and react-native.\n * Both environments support XMLHttpRequest, but not fully standard globals.\n *\n * web workers:\n *  typeof window -> undefined\n *  typeof document -> undefined\n *\n * react-native:\n *  navigator.product -> 'ReactNative'\n */\nfunction isStandardBrowserEnv() {\n  if (typeof navigator !== 'undefined' && navigator.product === 'ReactNative') {\n    return false;\n  }\n  return (\n    typeof window !== 'undefined' &&\n    typeof document !== 'undefined'\n  );\n}\n\n/**\n * Iterate over an Array or an Object invoking a function for each item.\n *\n * If `obj` is an Array callback will be called passing\n * the value, index, and complete array for each item.\n *\n * If 'obj' is an Object callback will be called passing\n * the value, key, and complete object for each property.\n *\n * @param {Object|Array} obj The object to iterate\n * @param {Function} fn The callback to invoke for each item\n */\nfunction forEach(obj, fn) {\n  // Don't bother if no value provided\n  if (obj === null || typeof obj === 'undefined') {\n    return;\n  }\n\n  // Force an array if not already something iterable\n  if (typeof obj !== 'object' && !isArray(obj)) {\n    /*eslint no-param-reassign:0*/\n    obj = [obj];\n  }\n\n  if (isArray(obj)) {\n    // Iterate over array values\n    for (var i = 0, l = obj.length; i < l; i++) {\n      fn.call(null, obj[i], i, obj);\n    }\n  } else {\n    // Iterate over object keys\n    for (var key in obj) {\n      if (Object.prototype.hasOwnProperty.call(obj, key)) {\n        fn.call(null, obj[key], key, obj);\n      }\n    }\n  }\n}\n\n/**\n * Accepts varargs expecting each argument to be an object, then\n * immutably merges the properties of each object and returns result.\n *\n * When multiple objects contain the same key the later object in\n * the arguments list will take precedence.\n *\n * Example:\n *\n * ```js\n * var result = merge({foo: 123}, {foo: 456});\n * console.log(result.foo); // outputs 456\n * ```\n *\n * @param {Object} obj1 Object to merge\n * @returns {Object} Result of all merge properties\n */\nfunction merge(/* obj1, obj2, obj3, ... */) {\n  var result = {};\n  function assignValue(val, key) {\n    if (typeof result[key] === 'object' && typeof val === 'object') {\n      result[key] = merge(result[key], val);\n    } else {\n      result[key] = val;\n    }\n  }\n\n  for (var i = 0, l = arguments.length; i < l; i++) {\n    forEach(arguments[i], assignValue);\n  }\n  return result;\n}\n\n/**\n * Extends object a by mutably adding to it the properties of object b.\n *\n * @param {Object} a The object to be extended\n * @param {Object} b The object to copy properties from\n * @param {Object} thisArg The object to bind function to\n * @return {Object} The resulting value of object a\n */\nfunction extend(a, b, thisArg) {\n  forEach(b, function assignValue(val, key) {\n    if (thisArg && typeof val === 'function') {\n      a[key] = bind(val, thisArg);\n    } else {\n      a[key] = val;\n    }\n  });\n  return a;\n}\n\nmodule.exports = {\n  isArray: isArray,\n  isArrayBuffer: isArrayBuffer,\n  isBuffer: isBuffer,\n  isFormData: isFormData,\n  isArrayBufferView: isArrayBufferView,\n  isString: isString,\n  isNumber: isNumber,\n  isObject: isObject,\n  isUndefined: isUndefined,\n  isDate: isDate,\n  isFile: isFile,\n  isBlob: isBlob,\n  isFunction: isFunction,\n  isStream: isStream,\n  isURLSearchParams: isURLSearchParams,\n  isStandardBrowserEnv: isStandardBrowserEnv,\n  forEach: forEach,\n  merge: merge,\n  extend: extend,\n  trim: trim\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/utils.js\n// module id = 9\n// module chunks = 0","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar isArray = require('isarray')\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Use Object implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * Due to various browser bugs, sometimes the Object implementation will be used even\n * when the browser supports typed arrays.\n *\n * Note:\n *\n *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,\n *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.\n *\n *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.\n *\n *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of\n *     incorrect length in some situations.\n\n * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they\n * get the Object implementation, which is slower but behaves correctly.\n */\nBuffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined\n  ? global.TYPED_ARRAY_SUPPORT\n  : typedArraySupport()\n\n/*\n * Export kMaxLength after typed array support is determined.\n */\nexports.kMaxLength = kMaxLength()\n\nfunction typedArraySupport () {\n  try {\n    var arr = new Uint8Array(1)\n    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}\n    return arr.foo() === 42 && // typed array instances can be augmented\n        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`\n        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`\n  } catch (e) {\n    return false\n  }\n}\n\nfunction kMaxLength () {\n  return Buffer.TYPED_ARRAY_SUPPORT\n    ? 0x7fffffff\n    : 0x3fffffff\n}\n\nfunction createBuffer (that, length) {\n  if (kMaxLength() < length) {\n    throw new RangeError('Invalid typed array length')\n  }\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    that = new Uint8Array(length)\n    that.__proto__ = Buffer.prototype\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    if (that === null) {\n      that = new Buffer(length)\n    }\n    that.length = length\n  }\n\n  return that\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {\n    return new Buffer(arg, encodingOrOffset, length)\n  }\n\n  // Common case.\n  if (typeof arg === 'number') {\n    if (typeof encodingOrOffset === 'string') {\n      throw new Error(\n        'If encoding is specified then the first argument must be a string'\n      )\n    }\n    return allocUnsafe(this, arg)\n  }\n  return from(this, arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\n// TODO: Legacy, not needed anymore. Remove in next major version.\nBuffer._augment = function (arr) {\n  arr.__proto__ = Buffer.prototype\n  return arr\n}\n\nfunction from (that, value, encodingOrOffset, length) {\n  if (typeof value === 'number') {\n    throw new TypeError('\"value\" argument must not be a number')\n  }\n\n  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {\n    return fromArrayBuffer(that, value, encodingOrOffset, length)\n  }\n\n  if (typeof value === 'string') {\n    return fromString(that, value, encodingOrOffset)\n  }\n\n  return fromObject(that, value)\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n  return from(null, value, encodingOrOffset, length)\n}\n\nif (Buffer.TYPED_ARRAY_SUPPORT) {\n  Buffer.prototype.__proto__ = Uint8Array.prototype\n  Buffer.__proto__ = Uint8Array\n  if (typeof Symbol !== 'undefined' && Symbol.species &&\n      Buffer[Symbol.species] === Buffer) {\n    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97\n    Object.defineProperty(Buffer, Symbol.species, {\n      value: null,\n      configurable: true\n    })\n  }\n}\n\nfunction assertSize (size) {\n  if (typeof size !== 'number') {\n    throw new TypeError('\"size\" argument must be a number')\n  } else if (size < 0) {\n    throw new RangeError('\"size\" argument must not be negative')\n  }\n}\n\nfunction alloc (that, size, fill, encoding) {\n  assertSize(size)\n  if (size <= 0) {\n    return createBuffer(that, size)\n  }\n  if (fill !== undefined) {\n    // Only pay attention to encoding if it's a string. This\n    // prevents accidentally sending in a number that would\n    // be interpretted as a start offset.\n    return typeof encoding === 'string'\n      ? createBuffer(that, size).fill(fill, encoding)\n      : createBuffer(that, size).fill(fill)\n  }\n  return createBuffer(that, size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n  return alloc(null, size, fill, encoding)\n}\n\nfunction allocUnsafe (that, size) {\n  assertSize(size)\n  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) {\n    for (var i = 0; i < size; ++i) {\n      that[i] = 0\n    }\n  }\n  return that\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n  return allocUnsafe(null, size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n  return allocUnsafe(null, size)\n}\n\nfunction fromString (that, string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') {\n    encoding = 'utf8'\n  }\n\n  if (!Buffer.isEncoding(encoding)) {\n    throw new TypeError('\"encoding\" must be a valid string encoding')\n  }\n\n  var length = byteLength(string, encoding) | 0\n  that = createBuffer(that, length)\n\n  var actual = that.write(string, encoding)\n\n  if (actual !== length) {\n    // Writing a hex string, for example, that contains invalid characters will\n    // cause everything after the first invalid character to be ignored. (e.g.\n    // 'abxxcd' will be treated as 'ab')\n    that = that.slice(0, actual)\n  }\n\n  return that\n}\n\nfunction fromArrayLike (that, array) {\n  var length = array.length < 0 ? 0 : checked(array.length) | 0\n  that = createBuffer(that, length)\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\nfunction fromArrayBuffer (that, array, byteOffset, length) {\n  array.byteLength // this throws if `array` is not a valid ArrayBuffer\n\n  if (byteOffset < 0 || array.byteLength < byteOffset) {\n    throw new RangeError('\\'offset\\' is out of bounds')\n  }\n\n  if (array.byteLength < byteOffset + (length || 0)) {\n    throw new RangeError('\\'length\\' is out of bounds')\n  }\n\n  if (byteOffset === undefined && length === undefined) {\n    array = new Uint8Array(array)\n  } else if (length === undefined) {\n    array = new Uint8Array(array, byteOffset)\n  } else {\n    array = new Uint8Array(array, byteOffset, length)\n  }\n\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    that = array\n    that.__proto__ = Buffer.prototype\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    that = fromArrayLike(that, array)\n  }\n  return that\n}\n\nfunction fromObject (that, obj) {\n  if (Buffer.isBuffer(obj)) {\n    var len = checked(obj.length) | 0\n    that = createBuffer(that, len)\n\n    if (that.length === 0) {\n      return that\n    }\n\n    obj.copy(that, 0, 0, len)\n    return that\n  }\n\n  if (obj) {\n    if ((typeof ArrayBuffer !== 'undefined' &&\n        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {\n      if (typeof obj.length !== 'number' || isnan(obj.length)) {\n        return createBuffer(that, 0)\n      }\n      return fromArrayLike(that, obj)\n    }\n\n    if (obj.type === 'Buffer' && isArray(obj.data)) {\n      return fromArrayLike(that, obj.data)\n    }\n  }\n\n  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < kMaxLength()` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= kMaxLength()) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + kMaxLength().toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (length) {\n  if (+length != length) { // eslint-disable-line eqeqeq\n    length = 0\n  }\n  return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return !!(b != null && b._isBuffer)\n}\n\nBuffer.compare = function compare (a, b) {\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError('Arguments must be Buffers')\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n    if (a[i] !== b[i]) {\n      x = a[i]\n      y = b[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'latin1':\n    case 'binary':\n    case 'base64':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!isArray(list)) {\n    throw new TypeError('\"list\" argument must be an Array of Buffers')\n  }\n\n  if (list.length === 0) {\n    return Buffer.alloc(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; ++i) {\n      length += list[i].length\n    }\n  }\n\n  var buffer = Buffer.allocUnsafe(length)\n  var pos = 0\n  for (i = 0; i < list.length; ++i) {\n    var buf = list[i]\n    if (!Buffer.isBuffer(buf)) {\n      throw new TypeError('\"list\" argument must be an Array of Buffers')\n    }\n    buf.copy(buffer, pos)\n    pos += buf.length\n  }\n  return buffer\n}\n\nfunction byteLength (string, encoding) {\n  if (Buffer.isBuffer(string)) {\n    return string.length\n  }\n  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&\n      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {\n    return string.byteLength\n  }\n  if (typeof string !== 'string') {\n    string = '' + string\n  }\n\n  var len = string.length\n  if (len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return len\n      case 'utf8':\n      case 'utf-8':\n      case undefined:\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) return utf8ToBytes(string).length // assume utf8\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n  // property of a typed array.\n\n  // This behaves neither like String nor Uint8Array in that we set start/end\n  // to their upper/lower bounds if the value passed is out of range.\n  // undefined is handled specially as per ECMA-262 6th Edition,\n  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n  if (start === undefined || start < 0) {\n    start = 0\n  }\n  // Return early if start > this.length. Done here to prevent potential uint32\n  // coercion fail below.\n  if (start > this.length) {\n    return ''\n  }\n\n  if (end === undefined || end > this.length) {\n    end = this.length\n  }\n\n  if (end <= 0) {\n    return ''\n  }\n\n  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.\n  end >>>= 0\n  start >>>= 0\n\n  if (end <= start) {\n    return ''\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Slice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\n// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect\n// Buffer instances.\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n  var i = b[n]\n  b[n] = b[m]\n  b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n  var len = this.length\n  if (len % 2 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 16-bits')\n  }\n  for (var i = 0; i < len; i += 2) {\n    swap(this, i, i + 1)\n  }\n  return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n  var len = this.length\n  if (len % 4 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 32-bits')\n  }\n  for (var i = 0; i < len; i += 4) {\n    swap(this, i, i + 3)\n    swap(this, i + 1, i + 2)\n  }\n  return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n  var len = this.length\n  if (len % 8 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 64-bits')\n  }\n  for (var i = 0; i < len; i += 8) {\n    swap(this, i, i + 7)\n    swap(this, i + 1, i + 6)\n    swap(this, i + 2, i + 5)\n    swap(this, i + 3, i + 4)\n  }\n  return this\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length | 0\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  if (this.length > 0) {\n    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')\n    if (this.length > max) str += ' ... '\n  }\n  return '<Buffer ' + str + '>'\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n  if (!Buffer.isBuffer(target)) {\n    throw new TypeError('Argument must be a Buffer')\n  }\n\n  if (start === undefined) {\n    start = 0\n  }\n  if (end === undefined) {\n    end = target ? target.length : 0\n  }\n  if (thisStart === undefined) {\n    thisStart = 0\n  }\n  if (thisEnd === undefined) {\n    thisEnd = this.length\n  }\n\n  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n    throw new RangeError('out of range index')\n  }\n\n  if (thisStart >= thisEnd && start >= end) {\n    return 0\n  }\n  if (thisStart >= thisEnd) {\n    return -1\n  }\n  if (start >= end) {\n    return 1\n  }\n\n  start >>>= 0\n  end >>>= 0\n  thisStart >>>= 0\n  thisEnd >>>= 0\n\n  if (this === target) return 0\n\n  var x = thisEnd - thisStart\n  var y = end - start\n  var len = Math.min(x, y)\n\n  var thisCopy = this.slice(thisStart, thisEnd)\n  var targetCopy = target.slice(start, end)\n\n  for (var i = 0; i < len; ++i) {\n    if (thisCopy[i] !== targetCopy[i]) {\n      x = thisCopy[i]\n      y = targetCopy[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n  // Empty buffer means no match\n  if (buffer.length === 0) return -1\n\n  // Normalize byteOffset\n  if (typeof byteOffset === 'string') {\n    encoding = byteOffset\n    byteOffset = 0\n  } else if (byteOffset > 0x7fffffff) {\n    byteOffset = 0x7fffffff\n  } else if (byteOffset < -0x80000000) {\n    byteOffset = -0x80000000\n  }\n  byteOffset = +byteOffset  // Coerce to Number.\n  if (isNaN(byteOffset)) {\n    // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n    byteOffset = dir ? 0 : (buffer.length - 1)\n  }\n\n  // Normalize byteOffset: negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n  if (byteOffset >= buffer.length) {\n    if (dir) return -1\n    else byteOffset = buffer.length - 1\n  } else if (byteOffset < 0) {\n    if (dir) byteOffset = 0\n    else return -1\n  }\n\n  // Normalize val\n  if (typeof val === 'string') {\n    val = Buffer.from(val, encoding)\n  }\n\n  // Finally, search either indexOf (if dir is true) or lastIndexOf\n  if (Buffer.isBuffer(val)) {\n    // Special case: looking for empty string/buffer always fails\n    if (val.length === 0) {\n      return -1\n    }\n    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n  } else if (typeof val === 'number') {\n    val = val & 0xFF // Search for a byte value [0-255]\n    if (Buffer.TYPED_ARRAY_SUPPORT &&\n        typeof Uint8Array.prototype.indexOf === 'function') {\n      if (dir) {\n        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n      } else {\n        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n      }\n    }\n    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n  var indexSize = 1\n  var arrLength = arr.length\n  var valLength = val.length\n\n  if (encoding !== undefined) {\n    encoding = String(encoding).toLowerCase()\n    if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n        encoding === 'utf16le' || encoding === 'utf-16le') {\n      if (arr.length < 2 || val.length < 2) {\n        return -1\n      }\n      indexSize = 2\n      arrLength /= 2\n      valLength /= 2\n      byteOffset /= 2\n    }\n  }\n\n  function read (buf, i) {\n    if (indexSize === 1) {\n      return buf[i]\n    } else {\n      return buf.readUInt16BE(i * indexSize)\n    }\n  }\n\n  var i\n  if (dir) {\n    var foundIndex = -1\n    for (i = byteOffset; i < arrLength; i++) {\n      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n      } else {\n        if (foundIndex !== -1) i -= i - foundIndex\n        foundIndex = -1\n      }\n    }\n  } else {\n    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n    for (i = byteOffset; i >= 0; i--) {\n      var found = true\n      for (var j = 0; j < valLength; j++) {\n        if (read(arr, i + j) !== read(val, j)) {\n          found = false\n          break\n        }\n      }\n      if (found) return i\n    }\n  }\n\n  return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n  return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  // must be an even number of digits\n  var strLen = string.length\n  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; ++i) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (isNaN(parsed)) return i\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction latin1Write (buf, string, offset, length) {\n  return asciiWrite(buf, string, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset | 0\n    if (isFinite(length)) {\n      length = length | 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  // legacy write(string, encoding, offset, length) - remove in v0.13\n  } else {\n    throw new Error(\n      'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n    )\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('Attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n        return asciiWrite(this, string, offset, length)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Write(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF) ? 4\n      : (firstByte > 0xDF) ? 3\n      : (firstByte > 0xBF) ? 2\n      : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; ++i) {\n    out += toHex(buf[i])\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  for (var i = 0; i < bytes.length; i += 2) {\n    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    newBuf = this.subarray(start, end)\n    newBuf.__proto__ = Buffer.prototype\n  } else {\n    var sliceLen = end - start\n    newBuf = new Buffer(sliceLen, undefined)\n    for (var i = 0; i < sliceLen; ++i) {\n      newBuf[i] = this[i + start]\n    }\n  }\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nfunction objectWriteUInt16 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {\n    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n      (littleEndian ? i : 1 - i) * 8\n  }\n}\n\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nfunction objectWriteUInt32 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffffffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {\n    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n  }\n}\n\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset + 3] = (value >>> 24)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 1] = (value >>> 8)\n    this[offset] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 3] = (value >>> 24)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n  if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n  var i\n\n  if (this === target && start < targetStart && targetStart < end) {\n    // descending copy from end\n    for (i = len - 1; i >= 0; --i) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {\n    // ascending copy from start\n    for (i = 0; i < len; ++i) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else {\n    Uint8Array.prototype.set.call(\n      target,\n      this.subarray(start, start + len),\n      targetStart\n    )\n  }\n\n  return len\n}\n\n// Usage:\n//    buffer.fill(number[, offset[, end]])\n//    buffer.fill(buffer[, offset[, end]])\n//    buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n  // Handle string cases:\n  if (typeof val === 'string') {\n    if (typeof start === 'string') {\n      encoding = start\n      start = 0\n      end = this.length\n    } else if (typeof end === 'string') {\n      encoding = end\n      end = this.length\n    }\n    if (val.length === 1) {\n      var code = val.charCodeAt(0)\n      if (code < 256) {\n        val = code\n      }\n    }\n    if (encoding !== undefined && typeof encoding !== 'string') {\n      throw new TypeError('encoding must be a string')\n    }\n    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n      throw new TypeError('Unknown encoding: ' + encoding)\n    }\n  } else if (typeof val === 'number') {\n    val = val & 255\n  }\n\n  // Invalid ranges are not set to a default, so can range check early.\n  if (start < 0 || this.length < start || this.length < end) {\n    throw new RangeError('Out of range index')\n  }\n\n  if (end <= start) {\n    return this\n  }\n\n  start = start >>> 0\n  end = end === undefined ? this.length : end >>> 0\n\n  if (!val) val = 0\n\n  var i\n  if (typeof val === 'number') {\n    for (i = start; i < end; ++i) {\n      this[i] = val\n    }\n  } else {\n    var bytes = Buffer.isBuffer(val)\n      ? val\n      : utf8ToBytes(new Buffer(val, encoding).toString())\n    var len = bytes.length\n    for (i = 0; i < end - start; ++i) {\n      this[i + start] = bytes[i % len]\n    }\n  }\n\n  return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+\\/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n  // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n  str = stringtrim(str).replace(INVALID_BASE64_RE, '')\n  // Node converts strings with length < 2 to ''\n  if (str.length < 2) return ''\n  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n  while (str.length % 4 !== 0) {\n    str = str + '='\n  }\n  return str\n}\n\nfunction stringtrim (str) {\n  if (str.trim) return str.trim()\n  return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nfunction toHex (n) {\n  if (n < 16) return '0' + n.toString(16)\n  return n.toString(16)\n}\n\nfunction utf8ToBytes (string, units) {\n  units = units || Infinity\n  var codePoint\n  var length = string.length\n  var leadSurrogate = null\n  var bytes = []\n\n  for (var i = 0; i < length; ++i) {\n    codePoint = string.charCodeAt(i)\n\n    // is surrogate component\n    if (codePoint > 0xD7FF && codePoint < 0xE000) {\n      // last char was a lead\n      if (!leadSurrogate) {\n        // no lead yet\n        if (codePoint > 0xDBFF) {\n          // unexpected trail\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        } else if (i + 1 === length) {\n          // unpaired lead\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        }\n\n        // valid lead\n        leadSurrogate = codePoint\n\n        continue\n      }\n\n      // 2 leads in a row\n      if (codePoint < 0xDC00) {\n        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n        leadSurrogate = codePoint\n        continue\n      }\n\n      // valid surrogate pair\n      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n    } else if (leadSurrogate) {\n      // valid bmp char, but last char was a lead\n      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n    }\n\n    leadSurrogate = null\n\n    // encode utf8\n    if (codePoint < 0x80) {\n      if ((units -= 1) < 0) break\n      bytes.push(codePoint)\n    } else if (codePoint < 0x800) {\n      if ((units -= 2) < 0) break\n      bytes.push(\n        codePoint >> 0x6 | 0xC0,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x10000) {\n      if ((units -= 3) < 0) break\n      bytes.push(\n        codePoint >> 0xC | 0xE0,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x110000) {\n      if ((units -= 4) < 0) break\n      bytes.push(\n        codePoint >> 0x12 | 0xF0,\n        codePoint >> 0xC & 0x3F | 0x80,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else {\n      throw new Error('Invalid code point')\n    }\n  }\n\n  return bytes\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    if ((units -= 2) < 0) break\n\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  for (var i = 0; i < length; ++i) {\n    if ((i + offset >= dst.length) || (i >= src.length)) break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n\nfunction isnan (val) {\n  return val !== val // eslint-disable-line no-self-compare\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/buffer/index.js\n// module id = 10\n// module chunks = 0","'use strict'\n\nexports.byteLength = byteLength\nexports.toByteArray = toByteArray\nexports.fromByteArray = fromByteArray\n\nvar lookup = []\nvar revLookup = []\nvar Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array\n\nvar code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\nfor (var i = 0, len = code.length; i < len; ++i) {\n  lookup[i] = code[i]\n  revLookup[code.charCodeAt(i)] = i\n}\n\nrevLookup['-'.charCodeAt(0)] = 62\nrevLookup['_'.charCodeAt(0)] = 63\n\nfunction placeHoldersCount (b64) {\n  var len = b64.length\n  if (len % 4 > 0) {\n    throw new Error('Invalid string. Length must be a multiple of 4')\n  }\n\n  // the number of equal signs (place holders)\n  // if there are two placeholders, than the two characters before it\n  // represent one byte\n  // if there is only one, then the three characters before it represent 2 bytes\n  // this is just a cheap hack to not do indexOf twice\n  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0\n}\n\nfunction byteLength (b64) {\n  // base64 is 4/3 + up to two characters of the original data\n  return b64.length * 3 / 4 - placeHoldersCount(b64)\n}\n\nfunction toByteArray (b64) {\n  var i, j, l, tmp, placeHolders, arr\n  var len = b64.length\n  placeHolders = placeHoldersCount(b64)\n\n  arr = new Arr(len * 3 / 4 - placeHolders)\n\n  // if there are placeholders, only get up to the last complete 4 chars\n  l = placeHolders > 0 ? len - 4 : len\n\n  var L = 0\n\n  for (i = 0, j = 0; i < l; i += 4, j += 3) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]\n    arr[L++] = (tmp >> 16) & 0xFF\n    arr[L++] = (tmp >> 8) & 0xFF\n    arr[L++] = tmp & 0xFF\n  }\n\n  if (placeHolders === 2) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)\n    arr[L++] = tmp & 0xFF\n  } else if (placeHolders === 1) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)\n    arr[L++] = (tmp >> 8) & 0xFF\n    arr[L++] = tmp & 0xFF\n  }\n\n  return arr\n}\n\nfunction tripletToBase64 (num) {\n  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]\n}\n\nfunction encodeChunk (uint8, start, end) {\n  var tmp\n  var output = []\n  for (var i = start; i < end; i += 3) {\n    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])\n    output.push(tripletToBase64(tmp))\n  }\n  return output.join('')\n}\n\nfunction fromByteArray (uint8) {\n  var tmp\n  var len = uint8.length\n  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes\n  var output = ''\n  var parts = []\n  var maxChunkLength = 16383 // must be multiple of 3\n\n  // go through the array every three bytes, we'll deal with trailing stuff later\n  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {\n    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))\n  }\n\n  // pad the end with zeros, but make sure to not forget the extra bytes\n  if (extraBytes === 1) {\n    tmp = uint8[len - 1]\n    output += lookup[tmp >> 2]\n    output += lookup[(tmp << 4) & 0x3F]\n    output += '=='\n  } else if (extraBytes === 2) {\n    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])\n    output += lookup[tmp >> 10]\n    output += lookup[(tmp >> 4) & 0x3F]\n    output += lookup[(tmp << 2) & 0x3F]\n    output += '='\n  }\n\n  parts.push(output)\n\n  return parts.join('')\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/base64-js/index.js\n// module id = 11\n// module chunks = 0","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = (value * c - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/ieee754/index.js\n// module id = 12\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n  return toString.call(arr) == '[object Array]';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/isarray/index.js\n// module id = 13\n// module chunks = 0","'use strict';\n\nmodule.exports = function bind(fn, thisArg) {\n  return function wrap() {\n    var args = new Array(arguments.length);\n    for (var i = 0; i < args.length; i++) {\n      args[i] = arguments[i];\n    }\n    return fn.apply(thisArg, args);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/bind.js\n// module id = 14\n// module chunks = 0","'use strict';\n\nvar defaults = require('./../defaults');\nvar utils = require('./../utils');\nvar InterceptorManager = require('./InterceptorManager');\nvar dispatchRequest = require('./dispatchRequest');\nvar isAbsoluteURL = require('./../helpers/isAbsoluteURL');\nvar combineURLs = require('./../helpers/combineURLs');\n\n/**\n * Create a new instance of Axios\n *\n * @param {Object} instanceConfig The default config for the instance\n */\nfunction Axios(instanceConfig) {\n  this.defaults = instanceConfig;\n  this.interceptors = {\n    request: new InterceptorManager(),\n    response: new InterceptorManager()\n  };\n}\n\n/**\n * Dispatch a request\n *\n * @param {Object} config The config specific for this request (merged with this.defaults)\n */\nAxios.prototype.request = function request(config) {\n  /*eslint no-param-reassign:0*/\n  // Allow for axios('example/url'[, config]) a la fetch API\n  if (typeof config === 'string') {\n    config = utils.merge({\n      url: arguments[0]\n    }, arguments[1]);\n  }\n\n  config = utils.merge(defaults, this.defaults, { method: 'get' }, config);\n\n  // Support baseURL config\n  if (config.baseURL && !isAbsoluteURL(config.url)) {\n    config.url = combineURLs(config.baseURL, config.url);\n  }\n\n  // Hook up interceptors middleware\n  var chain = [dispatchRequest, undefined];\n  var promise = Promise.resolve(config);\n\n  this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {\n    chain.unshift(interceptor.fulfilled, interceptor.rejected);\n  });\n\n  this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {\n    chain.push(interceptor.fulfilled, interceptor.rejected);\n  });\n\n  while (chain.length) {\n    promise = promise.then(chain.shift(), chain.shift());\n  }\n\n  return promise;\n};\n\n// Provide aliases for supported request methods\nutils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {\n  /*eslint func-names:0*/\n  Axios.prototype[method] = function(url, config) {\n    return this.request(utils.merge(config || {}, {\n      method: method,\n      url: url\n    }));\n  };\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n  /*eslint func-names:0*/\n  Axios.prototype[method] = function(url, data, config) {\n    return this.request(utils.merge(config || {}, {\n      method: method,\n      url: url,\n      data: data\n    }));\n  };\n});\n\nmodule.exports = Axios;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/Axios.js\n// module id = 15\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar normalizeHeaderName = require('./helpers/normalizeHeaderName');\n\nvar DEFAULT_CONTENT_TYPE = {\n  'Content-Type': 'application/x-www-form-urlencoded'\n};\n\nfunction setContentTypeIfUnset(headers, value) {\n  if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {\n    headers['Content-Type'] = value;\n  }\n}\n\nfunction getDefaultAdapter() {\n  var adapter;\n  if (typeof XMLHttpRequest !== 'undefined') {\n    // For browsers use XHR adapter\n    adapter = require('./adapters/xhr');\n  } else if (typeof process !== 'undefined') {\n    // For node use HTTP adapter\n    adapter = require('./adapters/http');\n  }\n  return adapter;\n}\n\nvar defaults = {\n  adapter: getDefaultAdapter(),\n\n  transformRequest: [function transformRequest(data, headers) {\n    normalizeHeaderName(headers, 'Content-Type');\n    if (utils.isFormData(data) ||\n      utils.isArrayBuffer(data) ||\n      utils.isBuffer(data) ||\n      utils.isStream(data) ||\n      utils.isFile(data) ||\n      utils.isBlob(data)\n    ) {\n      return data;\n    }\n    if (utils.isArrayBufferView(data)) {\n      return data.buffer;\n    }\n    if (utils.isURLSearchParams(data)) {\n      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');\n      return data.toString();\n    }\n    if (utils.isObject(data)) {\n      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');\n      return JSON.stringify(data);\n    }\n    return data;\n  }],\n\n  transformResponse: [function transformResponse(data) {\n    /*eslint no-param-reassign:0*/\n    if (typeof data === 'string') {\n      try {\n        data = JSON.parse(data);\n      } catch (e) { /* Ignore */ }\n    }\n    return data;\n  }],\n\n  timeout: 0,\n\n  xsrfCookieName: 'XSRF-TOKEN',\n  xsrfHeaderName: 'X-XSRF-TOKEN',\n\n  maxContentLength: -1,\n\n  validateStatus: function validateStatus(status) {\n    return status >= 200 && status < 300;\n  }\n};\n\ndefaults.headers = {\n  common: {\n    'Accept': 'application/json, text/plain, */*'\n  }\n};\n\nutils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {\n  defaults.headers[method] = {};\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n  defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);\n});\n\nmodule.exports = defaults;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/defaults.js\n// module id = 16\n// module chunks = 0","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/process/browser.js\n// module id = 17\n// module chunks = 0","'use strict';\n\nvar utils = require('../utils');\n\nmodule.exports = function normalizeHeaderName(headers, normalizedName) {\n  utils.forEach(headers, function processHeader(value, name) {\n    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {\n      headers[normalizedName] = value;\n      delete headers[name];\n    }\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/normalizeHeaderName.js\n// module id = 18\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\nvar settle = require('./../core/settle');\nvar buildURL = require('./../helpers/buildURL');\nvar parseHeaders = require('./../helpers/parseHeaders');\nvar isURLSameOrigin = require('./../helpers/isURLSameOrigin');\nvar createError = require('../core/createError');\nvar btoa = (typeof window !== 'undefined' && window.btoa && window.btoa.bind(window)) || require('./../helpers/btoa');\n\nmodule.exports = function xhrAdapter(config) {\n  return new Promise(function dispatchXhrRequest(resolve, reject) {\n    var requestData = config.data;\n    var requestHeaders = config.headers;\n\n    if (utils.isFormData(requestData)) {\n      delete requestHeaders['Content-Type']; // Let the browser set it\n    }\n\n    var request = new XMLHttpRequest();\n    var loadEvent = 'onreadystatechange';\n    var xDomain = false;\n\n    // For IE 8/9 CORS support\n    // Only supports POST and GET calls and doesn't returns the response headers.\n    // DON'T do this for testing b/c XMLHttpRequest is mocked, not XDomainRequest.\n    if (process.env.NODE_ENV !== 'test' &&\n        typeof window !== 'undefined' &&\n        window.XDomainRequest && !('withCredentials' in request) &&\n        !isURLSameOrigin(config.url)) {\n      request = new window.XDomainRequest();\n      loadEvent = 'onload';\n      xDomain = true;\n      request.onprogress = function handleProgress() {};\n      request.ontimeout = function handleTimeout() {};\n    }\n\n    // HTTP basic authentication\n    if (config.auth) {\n      var username = config.auth.username || '';\n      var password = config.auth.password || '';\n      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);\n    }\n\n    request.open(config.method.toUpperCase(), buildURL(config.url, config.params, config.paramsSerializer), true);\n\n    // Set the request timeout in MS\n    request.timeout = config.timeout;\n\n    // Listen for ready state\n    request[loadEvent] = function handleLoad() {\n      if (!request || (request.readyState !== 4 && !xDomain)) {\n        return;\n      }\n\n      // The request errored out and we didn't get a response, this will be\n      // handled by onerror instead\n      // With one exception: request that using file: protocol, most browsers\n      // will return status as 0 even though it's a successful request\n      if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {\n        return;\n      }\n\n      // Prepare the response\n      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;\n      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;\n      var response = {\n        data: responseData,\n        // IE sends 1223 instead of 204 (https://github.com/mzabriskie/axios/issues/201)\n        status: request.status === 1223 ? 204 : request.status,\n        statusText: request.status === 1223 ? 'No Content' : request.statusText,\n        headers: responseHeaders,\n        config: config,\n        request: request\n      };\n\n      settle(resolve, reject, response);\n\n      // Clean up request\n      request = null;\n    };\n\n    // Handle low level network errors\n    request.onerror = function handleError() {\n      // Real errors are hidden from us by the browser\n      // onerror should only fire if it's a network error\n      reject(createError('Network Error', config));\n\n      // Clean up request\n      request = null;\n    };\n\n    // Handle timeout\n    request.ontimeout = function handleTimeout() {\n      reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED'));\n\n      // Clean up request\n      request = null;\n    };\n\n    // Add xsrf header\n    // This is only done if running in a standard browser environment.\n    // Specifically not if we're in a web worker, or react-native.\n    if (utils.isStandardBrowserEnv()) {\n      var cookies = require('./../helpers/cookies');\n\n      // Add xsrf header\n      var xsrfValue = (config.withCredentials || isURLSameOrigin(config.url)) && config.xsrfCookieName ?\n          cookies.read(config.xsrfCookieName) :\n          undefined;\n\n      if (xsrfValue) {\n        requestHeaders[config.xsrfHeaderName] = xsrfValue;\n      }\n    }\n\n    // Add headers to the request\n    if ('setRequestHeader' in request) {\n      utils.forEach(requestHeaders, function setRequestHeader(val, key) {\n        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {\n          // Remove Content-Type if data is undefined\n          delete requestHeaders[key];\n        } else {\n          // Otherwise add header to the request\n          request.setRequestHeader(key, val);\n        }\n      });\n    }\n\n    // Add withCredentials to request if needed\n    if (config.withCredentials) {\n      request.withCredentials = true;\n    }\n\n    // Add responseType to request if needed\n    if (config.responseType) {\n      try {\n        request.responseType = config.responseType;\n      } catch (e) {\n        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.\n        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.\n        if (config.responseType !== 'json') {\n          throw e;\n        }\n      }\n    }\n\n    // Handle progress if needed\n    if (typeof config.onDownloadProgress === 'function') {\n      request.addEventListener('progress', config.onDownloadProgress);\n    }\n\n    // Not all browsers support upload events\n    if (typeof config.onUploadProgress === 'function' && request.upload) {\n      request.upload.addEventListener('progress', config.onUploadProgress);\n    }\n\n    if (config.cancelToken) {\n      // Handle cancellation\n      config.cancelToken.promise.then(function onCanceled(cancel) {\n        if (!request) {\n          return;\n        }\n\n        request.abort();\n        reject(cancel);\n        // Clean up request\n        request = null;\n      });\n    }\n\n    if (requestData === undefined) {\n      requestData = null;\n    }\n\n    // Send the request\n    request.send(requestData);\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/adapters/xhr.js\n// module id = 19\n// module chunks = 0","'use strict';\n\nvar createError = require('./createError');\n\n/**\n * Resolve or reject a Promise based on response status.\n *\n * @param {Function} resolve A function that resolves the promise.\n * @param {Function} reject A function that rejects the promise.\n * @param {object} response The response.\n */\nmodule.exports = function settle(resolve, reject, response) {\n  var validateStatus = response.config.validateStatus;\n  // Note: status is not exposed by XDomainRequest\n  if (!response.status || !validateStatus || validateStatus(response.status)) {\n    resolve(response);\n  } else {\n    reject(createError(\n      'Request failed with status code ' + response.status,\n      response.config,\n      null,\n      response\n    ));\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/settle.js\n// module id = 20\n// module chunks = 0","'use strict';\n\nvar enhanceError = require('./enhanceError');\n\n/**\n * Create an Error with the specified message, config, error code, and response.\n *\n * @param {string} message The error message.\n * @param {Object} config The config.\n * @param {string} [code] The error code (for example, 'ECONNABORTED').\n @ @param {Object} [response] The response.\n * @returns {Error} The created error.\n */\nmodule.exports = function createError(message, config, code, response) {\n  var error = new Error(message);\n  return enhanceError(error, config, code, response);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/createError.js\n// module id = 21\n// module chunks = 0","'use strict';\n\n/**\n * Update an Error with the specified config, error code, and response.\n *\n * @param {Error} error The error to update.\n * @param {Object} config The config.\n * @param {string} [code] The error code (for example, 'ECONNABORTED').\n @ @param {Object} [response] The response.\n * @returns {Error} The error.\n */\nmodule.exports = function enhanceError(error, config, code, response) {\n  error.config = config;\n  if (code) {\n    error.code = code;\n  }\n  error.response = response;\n  return error;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/enhanceError.js\n// module id = 22\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nfunction encode(val) {\n  return encodeURIComponent(val).\n    replace(/%40/gi, '@').\n    replace(/%3A/gi, ':').\n    replace(/%24/g, '$').\n    replace(/%2C/gi, ',').\n    replace(/%20/g, '+').\n    replace(/%5B/gi, '[').\n    replace(/%5D/gi, ']');\n}\n\n/**\n * Build a URL by appending params to the end\n *\n * @param {string} url The base of the url (e.g., http://www.google.com)\n * @param {object} [params] The params to be appended\n * @returns {string} The formatted url\n */\nmodule.exports = function buildURL(url, params, paramsSerializer) {\n  /*eslint no-param-reassign:0*/\n  if (!params) {\n    return url;\n  }\n\n  var serializedParams;\n  if (paramsSerializer) {\n    serializedParams = paramsSerializer(params);\n  } else if (utils.isURLSearchParams(params)) {\n    serializedParams = params.toString();\n  } else {\n    var parts = [];\n\n    utils.forEach(params, function serialize(val, key) {\n      if (val === null || typeof val === 'undefined') {\n        return;\n      }\n\n      if (utils.isArray(val)) {\n        key = key + '[]';\n      }\n\n      if (!utils.isArray(val)) {\n        val = [val];\n      }\n\n      utils.forEach(val, function parseValue(v) {\n        if (utils.isDate(v)) {\n          v = v.toISOString();\n        } else if (utils.isObject(v)) {\n          v = JSON.stringify(v);\n        }\n        parts.push(encode(key) + '=' + encode(v));\n      });\n    });\n\n    serializedParams = parts.join('&');\n  }\n\n  if (serializedParams) {\n    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;\n  }\n\n  return url;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/buildURL.js\n// module id = 23\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\n/**\n * Parse headers into an object\n *\n * ```\n * Date: Wed, 27 Aug 2014 08:58:49 GMT\n * Content-Type: application/json\n * Connection: keep-alive\n * Transfer-Encoding: chunked\n * ```\n *\n * @param {String} headers Headers needing to be parsed\n * @returns {Object} Headers parsed into an object\n */\nmodule.exports = function parseHeaders(headers) {\n  var parsed = {};\n  var key;\n  var val;\n  var i;\n\n  if (!headers) { return parsed; }\n\n  utils.forEach(headers.split('\\n'), function parser(line) {\n    i = line.indexOf(':');\n    key = utils.trim(line.substr(0, i)).toLowerCase();\n    val = utils.trim(line.substr(i + 1));\n\n    if (key) {\n      parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;\n    }\n  });\n\n  return parsed;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/parseHeaders.js\n// module id = 24\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nmodule.exports = (\n  utils.isStandardBrowserEnv() ?\n\n  // Standard browser envs have full support of the APIs needed to test\n  // whether the request URL is of the same origin as current location.\n  (function standardBrowserEnv() {\n    var msie = /(msie|trident)/i.test(navigator.userAgent);\n    var urlParsingNode = document.createElement('a');\n    var originURL;\n\n    /**\n    * Parse a URL to discover it's components\n    *\n    * @param {String} url The URL to be parsed\n    * @returns {Object}\n    */\n    function resolveURL(url) {\n      var href = url;\n\n      if (msie) {\n        // IE needs attribute set twice to normalize properties\n        urlParsingNode.setAttribute('href', href);\n        href = urlParsingNode.href;\n      }\n\n      urlParsingNode.setAttribute('href', href);\n\n      // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils\n      return {\n        href: urlParsingNode.href,\n        protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',\n        host: urlParsingNode.host,\n        search: urlParsingNode.search ? urlParsingNode.search.replace(/^\\?/, '') : '',\n        hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',\n        hostname: urlParsingNode.hostname,\n        port: urlParsingNode.port,\n        pathname: (urlParsingNode.pathname.charAt(0) === '/') ?\n                  urlParsingNode.pathname :\n                  '/' + urlParsingNode.pathname\n      };\n    }\n\n    originURL = resolveURL(window.location.href);\n\n    /**\n    * Determine if a URL shares the same origin as the current location\n    *\n    * @param {String} requestURL The URL to test\n    * @returns {boolean} True if URL shares the same origin, otherwise false\n    */\n    return function isURLSameOrigin(requestURL) {\n      var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;\n      return (parsed.protocol === originURL.protocol &&\n            parsed.host === originURL.host);\n    };\n  })() :\n\n  // Non standard browser envs (web workers, react-native) lack needed support.\n  (function nonStandardBrowserEnv() {\n    return function isURLSameOrigin() {\n      return true;\n    };\n  })()\n);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/isURLSameOrigin.js\n// module id = 25\n// module chunks = 0","'use strict';\n\n// btoa polyfill for IE<10 courtesy https://github.com/davidchambers/Base64.js\n\nvar chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\nfunction E() {\n  this.message = 'String contains an invalid character';\n}\nE.prototype = new Error;\nE.prototype.code = 5;\nE.prototype.name = 'InvalidCharacterError';\n\nfunction btoa(input) {\n  var str = String(input);\n  var output = '';\n  for (\n    // initialize result and counter\n    var block, charCode, idx = 0, map = chars;\n    // if the next str index does not exist:\n    //   change the mapping table to \"=\"\n    //   check if d has no fractional digits\n    str.charAt(idx | 0) || (map = '=', idx % 1);\n    // \"8 - idx % 1 * 8\" generates the sequence 2, 4, 6, 8\n    output += map.charAt(63 & block >> 8 - idx % 1 * 8)\n  ) {\n    charCode = str.charCodeAt(idx += 3 / 4);\n    if (charCode > 0xFF) {\n      throw new E();\n    }\n    block = block << 8 | charCode;\n  }\n  return output;\n}\n\nmodule.exports = btoa;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/btoa.js\n// module id = 26\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nmodule.exports = (\n  utils.isStandardBrowserEnv() ?\n\n  // Standard browser envs support document.cookie\n  (function standardBrowserEnv() {\n    return {\n      write: function write(name, value, expires, path, domain, secure) {\n        var cookie = [];\n        cookie.push(name + '=' + encodeURIComponent(value));\n\n        if (utils.isNumber(expires)) {\n          cookie.push('expires=' + new Date(expires).toGMTString());\n        }\n\n        if (utils.isString(path)) {\n          cookie.push('path=' + path);\n        }\n\n        if (utils.isString(domain)) {\n          cookie.push('domain=' + domain);\n        }\n\n        if (secure === true) {\n          cookie.push('secure');\n        }\n\n        document.cookie = cookie.join('; ');\n      },\n\n      read: function read(name) {\n        var match = document.cookie.match(new RegExp('(^|;\\\\s*)(' + name + ')=([^;]*)'));\n        return (match ? decodeURIComponent(match[3]) : null);\n      },\n\n      remove: function remove(name) {\n        this.write(name, '', Date.now() - 86400000);\n      }\n    };\n  })() :\n\n  // Non standard browser env (web workers, react-native) lack needed support.\n  (function nonStandardBrowserEnv() {\n    return {\n      write: function write() {},\n      read: function read() { return null; },\n      remove: function remove() {}\n    };\n  })()\n);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/cookies.js\n// module id = 27\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nfunction InterceptorManager() {\n  this.handlers = [];\n}\n\n/**\n * Add a new interceptor to the stack\n *\n * @param {Function} fulfilled The function to handle `then` for a `Promise`\n * @param {Function} rejected The function to handle `reject` for a `Promise`\n *\n * @return {Number} An ID used to remove interceptor later\n */\nInterceptorManager.prototype.use = function use(fulfilled, rejected) {\n  this.handlers.push({\n    fulfilled: fulfilled,\n    rejected: rejected\n  });\n  return this.handlers.length - 1;\n};\n\n/**\n * Remove an interceptor from the stack\n *\n * @param {Number} id The ID that was returned by `use`\n */\nInterceptorManager.prototype.eject = function eject(id) {\n  if (this.handlers[id]) {\n    this.handlers[id] = null;\n  }\n};\n\n/**\n * Iterate over all the registered interceptors\n *\n * This method is particularly useful for skipping over any\n * interceptors that may have become `null` calling `eject`.\n *\n * @param {Function} fn The function to call for each interceptor\n */\nInterceptorManager.prototype.forEach = function forEach(fn) {\n  utils.forEach(this.handlers, function forEachHandler(h) {\n    if (h !== null) {\n      fn(h);\n    }\n  });\n};\n\nmodule.exports = InterceptorManager;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/InterceptorManager.js\n// module id = 28\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\nvar transformData = require('./transformData');\nvar isCancel = require('../cancel/isCancel');\nvar defaults = require('../defaults');\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nfunction throwIfCancellationRequested(config) {\n  if (config.cancelToken) {\n    config.cancelToken.throwIfRequested();\n  }\n}\n\n/**\n * Dispatch a request to the server using the configured adapter.\n *\n * @param {object} config The config that is to be used for the request\n * @returns {Promise} The Promise to be fulfilled\n */\nmodule.exports = function dispatchRequest(config) {\n  throwIfCancellationRequested(config);\n\n  // Ensure headers exist\n  config.headers = config.headers || {};\n\n  // Transform request data\n  config.data = transformData(\n    config.data,\n    config.headers,\n    config.transformRequest\n  );\n\n  // Flatten headers\n  config.headers = utils.merge(\n    config.headers.common || {},\n    config.headers[config.method] || {},\n    config.headers || {}\n  );\n\n  utils.forEach(\n    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],\n    function cleanHeaderConfig(method) {\n      delete config.headers[method];\n    }\n  );\n\n  var adapter = config.adapter || defaults.adapter;\n\n  return adapter(config).then(function onAdapterResolution(response) {\n    throwIfCancellationRequested(config);\n\n    // Transform response data\n    response.data = transformData(\n      response.data,\n      response.headers,\n      config.transformResponse\n    );\n\n    return response;\n  }, function onAdapterRejection(reason) {\n    if (!isCancel(reason)) {\n      throwIfCancellationRequested(config);\n\n      // Transform response data\n      if (reason && reason.response) {\n        reason.response.data = transformData(\n          reason.response.data,\n          reason.response.headers,\n          config.transformResponse\n        );\n      }\n    }\n\n    return Promise.reject(reason);\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/dispatchRequest.js\n// module id = 29\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\n/**\n * Transform the data for a request or a response\n *\n * @param {Object|String} data The data to be transformed\n * @param {Array} headers The headers for the request or response\n * @param {Array|Function} fns A single function or Array of functions\n * @returns {*} The resulting transformed data\n */\nmodule.exports = function transformData(data, headers, fns) {\n  /*eslint no-param-reassign:0*/\n  utils.forEach(fns, function transform(fn) {\n    data = fn(data, headers);\n  });\n\n  return data;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/transformData.js\n// module id = 30\n// module chunks = 0","'use strict';\n\nmodule.exports = function isCancel(value) {\n  return !!(value && value.__CANCEL__);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/isCancel.js\n// module id = 31\n// module chunks = 0","'use strict';\n\n/**\n * Determines whether the specified URL is absolute\n *\n * @param {string} url The URL to test\n * @returns {boolean} True if the specified URL is absolute, otherwise false\n */\nmodule.exports = function isAbsoluteURL(url) {\n  // A URL is considered absolute if it begins with \"<scheme>://\" or \"//\" (protocol-relative URL).\n  // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed\n  // by any combination of letters, digits, plus, period, or hyphen.\n  return /^([a-z][a-z\\d\\+\\-\\.]*:)?\\/\\//i.test(url);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/isAbsoluteURL.js\n// module id = 32\n// module chunks = 0","'use strict';\n\n/**\n * Creates a new URL by combining the specified URLs\n *\n * @param {string} baseURL The base URL\n * @param {string} relativeURL The relative URL\n * @returns {string} The combined URL\n */\nmodule.exports = function combineURLs(baseURL, relativeURL) {\n  return relativeURL\n    ? baseURL.replace(/\\/+$/, '') + '/' + relativeURL.replace(/^\\/+/, '')\n    : baseURL;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/combineURLs.js\n// module id = 33\n// module chunks = 0","'use strict';\n\n/**\n * A `Cancel` is an object that is thrown when an operation is canceled.\n *\n * @class\n * @param {string=} message The message.\n */\nfunction Cancel(message) {\n  this.message = message;\n}\n\nCancel.prototype.toString = function toString() {\n  return 'Cancel' + (this.message ? ': ' + this.message : '');\n};\n\nCancel.prototype.__CANCEL__ = true;\n\nmodule.exports = Cancel;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/Cancel.js\n// module id = 34\n// module chunks = 0","'use strict';\n\nvar Cancel = require('./Cancel');\n\n/**\n * A `CancelToken` is an object that can be used to request cancellation of an operation.\n *\n * @class\n * @param {Function} executor The executor function.\n */\nfunction CancelToken(executor) {\n  if (typeof executor !== 'function') {\n    throw new TypeError('executor must be a function.');\n  }\n\n  var resolvePromise;\n  this.promise = new Promise(function promiseExecutor(resolve) {\n    resolvePromise = resolve;\n  });\n\n  var token = this;\n  executor(function cancel(message) {\n    if (token.reason) {\n      // Cancellation has already been requested\n      return;\n    }\n\n    token.reason = new Cancel(message);\n    resolvePromise(token.reason);\n  });\n}\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nCancelToken.prototype.throwIfRequested = function throwIfRequested() {\n  if (this.reason) {\n    throw this.reason;\n  }\n};\n\n/**\n * Returns an object that contains a new `CancelToken` and a function that, when called,\n * cancels the `CancelToken`.\n */\nCancelToken.source = function source() {\n  var cancel;\n  var token = new CancelToken(function executor(c) {\n    cancel = c;\n  });\n  return {\n    token: token,\n    cancel: cancel\n  };\n};\n\nmodule.exports = CancelToken;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/CancelToken.js\n// module id = 35\n// module chunks = 0","'use strict';\n\n/**\n * Syntactic sugar for invoking a function and expanding an array for arguments.\n *\n * Common use case would be to use `Function.prototype.apply`.\n *\n *  ```js\n *  function f(x, y, z) {}\n *  var args = [1, 2, 3];\n *  f.apply(null, args);\n *  ```\n *\n * With `spread` this example can be re-written.\n *\n *  ```js\n *  spread(function(x, y, z) {})([1, 2, 3]);\n *  ```\n *\n * @param {Function} callback\n * @returns {Function}\n */\nmodule.exports = function spread(callback) {\n  return function wrap(arr) {\n    return callback.apply(null, arr);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/spread.js\n// module id = 36\n// module chunks = 0","'use strict';\n\nvar stringify = require('./stringify');\nvar parse = require('./parse');\nvar formats = require('./formats');\n\nmodule.exports = {\n    formats: formats,\n    parse: parse,\n    stringify: stringify\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/index.js\n// module id = 37\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar formats = require('./formats');\n\nvar arrayPrefixGenerators = {\n    brackets: function brackets(prefix) { // eslint-disable-line func-name-matching\n        return prefix + '[]';\n    },\n    indices: function indices(prefix, key) { // eslint-disable-line func-name-matching\n        return prefix + '[' + key + ']';\n    },\n    repeat: function repeat(prefix) { // eslint-disable-line func-name-matching\n        return prefix;\n    }\n};\n\nvar toISO = Date.prototype.toISOString;\n\nvar defaults = {\n    delimiter: '&',\n    encode: true,\n    encoder: utils.encode,\n    encodeValuesOnly: false,\n    serializeDate: function serializeDate(date) { // eslint-disable-line func-name-matching\n        return toISO.call(date);\n    },\n    skipNulls: false,\n    strictNullHandling: false\n};\n\nvar stringify = function stringify( // eslint-disable-line func-name-matching\n    object,\n    prefix,\n    generateArrayPrefix,\n    strictNullHandling,\n    skipNulls,\n    encoder,\n    filter,\n    sort,\n    allowDots,\n    serializeDate,\n    formatter,\n    encodeValuesOnly\n) {\n    var obj = object;\n    if (typeof filter === 'function') {\n        obj = filter(prefix, obj);\n    } else if (obj instanceof Date) {\n        obj = serializeDate(obj);\n    } else if (obj === null) {\n        if (strictNullHandling) {\n            return encoder && !encodeValuesOnly ? encoder(prefix) : prefix;\n        }\n\n        obj = '';\n    }\n\n    if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {\n        if (encoder) {\n            var keyValue = encodeValuesOnly ? prefix : encoder(prefix);\n            return [formatter(keyValue) + '=' + formatter(encoder(obj))];\n        }\n        return [formatter(prefix) + '=' + formatter(String(obj))];\n    }\n\n    var values = [];\n\n    if (typeof obj === 'undefined') {\n        return values;\n    }\n\n    var objKeys;\n    if (Array.isArray(filter)) {\n        objKeys = filter;\n    } else {\n        var keys = Object.keys(obj);\n        objKeys = sort ? keys.sort(sort) : keys;\n    }\n\n    for (var i = 0; i < objKeys.length; ++i) {\n        var key = objKeys[i];\n\n        if (skipNulls && obj[key] === null) {\n            continue;\n        }\n\n        if (Array.isArray(obj)) {\n            values = values.concat(stringify(\n                obj[key],\n                generateArrayPrefix(prefix, key),\n                generateArrayPrefix,\n                strictNullHandling,\n                skipNulls,\n                encoder,\n                filter,\n                sort,\n                allowDots,\n                serializeDate,\n                formatter,\n                encodeValuesOnly\n            ));\n        } else {\n            values = values.concat(stringify(\n                obj[key],\n                prefix + (allowDots ? '.' + key : '[' + key + ']'),\n                generateArrayPrefix,\n                strictNullHandling,\n                skipNulls,\n                encoder,\n                filter,\n                sort,\n                allowDots,\n                serializeDate,\n                formatter,\n                encodeValuesOnly\n            ));\n        }\n    }\n\n    return values;\n};\n\nmodule.exports = function (object, opts) {\n    var obj = object;\n    var options = opts || {};\n\n    if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {\n        throw new TypeError('Encoder has to be a function.');\n    }\n\n    var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;\n    var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;\n    var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;\n    var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;\n    var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;\n    var sort = typeof options.sort === 'function' ? options.sort : null;\n    var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;\n    var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;\n    var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;\n    if (typeof options.format === 'undefined') {\n        options.format = formats.default;\n    } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {\n        throw new TypeError('Unknown format option provided.');\n    }\n    var formatter = formats.formatters[options.format];\n    var objKeys;\n    var filter;\n\n    if (typeof options.filter === 'function') {\n        filter = options.filter;\n        obj = filter('', obj);\n    } else if (Array.isArray(options.filter)) {\n        filter = options.filter;\n        objKeys = filter;\n    }\n\n    var keys = [];\n\n    if (typeof obj !== 'object' || obj === null) {\n        return '';\n    }\n\n    var arrayFormat;\n    if (options.arrayFormat in arrayPrefixGenerators) {\n        arrayFormat = options.arrayFormat;\n    } else if ('indices' in options) {\n        arrayFormat = options.indices ? 'indices' : 'repeat';\n    } else {\n        arrayFormat = 'indices';\n    }\n\n    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];\n\n    if (!objKeys) {\n        objKeys = Object.keys(obj);\n    }\n\n    if (sort) {\n        objKeys.sort(sort);\n    }\n\n    for (var i = 0; i < objKeys.length; ++i) {\n        var key = objKeys[i];\n\n        if (skipNulls && obj[key] === null) {\n            continue;\n        }\n\n        keys = keys.concat(stringify(\n            obj[key],\n            key,\n            generateArrayPrefix,\n            strictNullHandling,\n            skipNulls,\n            encode ? encoder : null,\n            filter,\n            sort,\n            allowDots,\n            serializeDate,\n            formatter,\n            encodeValuesOnly\n        ));\n    }\n\n    return keys.join(delimiter);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/stringify.js\n// module id = 38\n// module chunks = 0","'use strict';\n\nvar has = Object.prototype.hasOwnProperty;\n\nvar hexTable = (function () {\n    var array = [];\n    for (var i = 0; i < 256; ++i) {\n        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());\n    }\n\n    return array;\n}());\n\nexports.arrayToObject = function (source, options) {\n    var obj = options && options.plainObjects ? Object.create(null) : {};\n    for (var i = 0; i < source.length; ++i) {\n        if (typeof source[i] !== 'undefined') {\n            obj[i] = source[i];\n        }\n    }\n\n    return obj;\n};\n\nexports.merge = function (target, source, options) {\n    if (!source) {\n        return target;\n    }\n\n    if (typeof source !== 'object') {\n        if (Array.isArray(target)) {\n            target.push(source);\n        } else if (typeof target === 'object') {\n            if (options.plainObjects || options.allowPrototypes || !has.call(Object.prototype, source)) {\n                target[source] = true;\n            }\n        } else {\n            return [target, source];\n        }\n\n        return target;\n    }\n\n    if (typeof target !== 'object') {\n        return [target].concat(source);\n    }\n\n    var mergeTarget = target;\n    if (Array.isArray(target) && !Array.isArray(source)) {\n        mergeTarget = exports.arrayToObject(target, options);\n    }\n\n    if (Array.isArray(target) && Array.isArray(source)) {\n        source.forEach(function (item, i) {\n            if (has.call(target, i)) {\n                if (target[i] && typeof target[i] === 'object') {\n                    target[i] = exports.merge(target[i], item, options);\n                } else {\n                    target.push(item);\n                }\n            } else {\n                target[i] = item;\n            }\n        });\n        return target;\n    }\n\n    return Object.keys(source).reduce(function (acc, key) {\n        var value = source[key];\n\n        if (Object.prototype.hasOwnProperty.call(acc, key)) {\n            acc[key] = exports.merge(acc[key], value, options);\n        } else {\n            acc[key] = value;\n        }\n        return acc;\n    }, mergeTarget);\n};\n\nexports.decode = function (str) {\n    try {\n        return decodeURIComponent(str.replace(/\\+/g, ' '));\n    } catch (e) {\n        return str;\n    }\n};\n\nexports.encode = function (str) {\n    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.\n    // It has been adapted here for stricter adherence to RFC 3986\n    if (str.length === 0) {\n        return str;\n    }\n\n    var string = typeof str === 'string' ? str : String(str);\n\n    var out = '';\n    for (var i = 0; i < string.length; ++i) {\n        var c = string.charCodeAt(i);\n\n        if (\n            c === 0x2D || // -\n            c === 0x2E || // .\n            c === 0x5F || // _\n            c === 0x7E || // ~\n            (c >= 0x30 && c <= 0x39) || // 0-9\n            (c >= 0x41 && c <= 0x5A) || // a-z\n            (c >= 0x61 && c <= 0x7A) // A-Z\n        ) {\n            out += string.charAt(i);\n            continue;\n        }\n\n        if (c < 0x80) {\n            out = out + hexTable[c];\n            continue;\n        }\n\n        if (c < 0x800) {\n            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);\n            continue;\n        }\n\n        if (c < 0xD800 || c >= 0xE000) {\n            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);\n            continue;\n        }\n\n        i += 1;\n        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));\n        out += hexTable[0xF0 | (c >> 18)] + hexTable[0x80 | ((c >> 12) & 0x3F)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]; // eslint-disable-line max-len\n    }\n\n    return out;\n};\n\nexports.compact = function (obj, references) {\n    if (typeof obj !== 'object' || obj === null) {\n        return obj;\n    }\n\n    var refs = references || [];\n    var lookup = refs.indexOf(obj);\n    if (lookup !== -1) {\n        return refs[lookup];\n    }\n\n    refs.push(obj);\n\n    if (Array.isArray(obj)) {\n        var compacted = [];\n\n        for (var i = 0; i < obj.length; ++i) {\n            if (obj[i] && typeof obj[i] === 'object') {\n                compacted.push(exports.compact(obj[i], refs));\n            } else if (typeof obj[i] !== 'undefined') {\n                compacted.push(obj[i]);\n            }\n        }\n\n        return compacted;\n    }\n\n    var keys = Object.keys(obj);\n    keys.forEach(function (key) {\n        obj[key] = exports.compact(obj[key], refs);\n    });\n\n    return obj;\n};\n\nexports.isRegExp = function (obj) {\n    return Object.prototype.toString.call(obj) === '[object RegExp]';\n};\n\nexports.isBuffer = function (obj) {\n    if (obj === null || typeof obj === 'undefined') {\n        return false;\n    }\n\n    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/utils.js\n// module id = 39\n// module chunks = 0","'use strict';\n\nvar replace = String.prototype.replace;\nvar percentTwenties = /%20/g;\n\nmodule.exports = {\n    'default': 'RFC3986',\n    formatters: {\n        RFC1738: function (value) {\n            return replace.call(value, percentTwenties, '+');\n        },\n        RFC3986: function (value) {\n            return value;\n        }\n    },\n    RFC1738: 'RFC1738',\n    RFC3986: 'RFC3986'\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/formats.js\n// module id = 40\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\n\nvar has = Object.prototype.hasOwnProperty;\n\nvar defaults = {\n    allowDots: false,\n    allowPrototypes: false,\n    arrayLimit: 20,\n    decoder: utils.decode,\n    delimiter: '&',\n    depth: 5,\n    parameterLimit: 1000,\n    plainObjects: false,\n    strictNullHandling: false\n};\n\nvar parseValues = function parseQueryStringValues(str, options) {\n    var obj = {};\n    var parts = str.split(options.delimiter, options.parameterLimit === Infinity ? undefined : options.parameterLimit);\n\n    for (var i = 0; i < parts.length; ++i) {\n        var part = parts[i];\n        var pos = part.indexOf(']=') === -1 ? part.indexOf('=') : part.indexOf(']=') + 1;\n\n        var key, val;\n        if (pos === -1) {\n            key = options.decoder(part);\n            val = options.strictNullHandling ? null : '';\n        } else {\n            key = options.decoder(part.slice(0, pos));\n            val = options.decoder(part.slice(pos + 1));\n        }\n        if (has.call(obj, key)) {\n            obj[key] = [].concat(obj[key]).concat(val);\n        } else {\n            obj[key] = val;\n        }\n    }\n\n    return obj;\n};\n\nvar parseObject = function parseObjectRecursive(chain, val, options) {\n    if (!chain.length) {\n        return val;\n    }\n\n    var root = chain.shift();\n\n    var obj;\n    if (root === '[]') {\n        obj = [];\n        obj = obj.concat(parseObject(chain, val, options));\n    } else {\n        obj = options.plainObjects ? Object.create(null) : {};\n        var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;\n        var index = parseInt(cleanRoot, 10);\n        if (\n            !isNaN(index) &&\n            root !== cleanRoot &&\n            String(index) === cleanRoot &&\n            index >= 0 &&\n            (options.parseArrays && index <= options.arrayLimit)\n        ) {\n            obj = [];\n            obj[index] = parseObject(chain, val, options);\n        } else {\n            obj[cleanRoot] = parseObject(chain, val, options);\n        }\n    }\n\n    return obj;\n};\n\nvar parseKeys = function parseQueryStringKeys(givenKey, val, options) {\n    if (!givenKey) {\n        return;\n    }\n\n    // Transform dot notation to bracket notation\n    var key = options.allowDots ? givenKey.replace(/\\.([^.[]+)/g, '[$1]') : givenKey;\n\n    // The regex chunks\n\n    var brackets = /(\\[[^[\\]]*])/;\n    var child = /(\\[[^[\\]]*])/g;\n\n    // Get the parent\n\n    var segment = brackets.exec(key);\n    var parent = segment ? key.slice(0, segment.index) : key;\n\n    // Stash the parent if it exists\n\n    var keys = [];\n    if (parent) {\n        // If we aren't using plain objects, optionally prefix keys\n        // that would overwrite object prototype properties\n        if (!options.plainObjects && has.call(Object.prototype, parent)) {\n            if (!options.allowPrototypes) {\n                return;\n            }\n        }\n\n        keys.push(parent);\n    }\n\n    // Loop through children appending to the array until we hit depth\n\n    var i = 0;\n    while ((segment = child.exec(key)) !== null && i < options.depth) {\n        i += 1;\n        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {\n            if (!options.allowPrototypes) {\n                return;\n            }\n        }\n        keys.push(segment[1]);\n    }\n\n    // If there's a remainder, just add whatever is left\n\n    if (segment) {\n        keys.push('[' + key.slice(segment.index) + ']');\n    }\n\n    return parseObject(keys, val, options);\n};\n\nmodule.exports = function (str, opts) {\n    var options = opts || {};\n\n    if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {\n        throw new TypeError('Decoder has to be a function.');\n    }\n\n    options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;\n    options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;\n    options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;\n    options.parseArrays = options.parseArrays !== false;\n    options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;\n    options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;\n    options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;\n    options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;\n    options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;\n    options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;\n\n    if (str === '' || str === null || typeof str === 'undefined') {\n        return options.plainObjects ? Object.create(null) : {};\n    }\n\n    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;\n    var obj = options.plainObjects ? Object.create(null) : {};\n\n    // Iterate over the keys and setup the new object\n\n    var keys = Object.keys(tempObj);\n    for (var i = 0; i < keys.length; ++i) {\n        var key = keys[i];\n        var newObj = parseKeys(key, tempObj[key], options);\n        obj = utils.merge(obj, newObj, options);\n    }\n\n    return utils.compact(obj);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/parse.js\n// module id = 41\n// module chunks = 0","module.exports = \"\\n<div id=\\\"maindiv\\\" @click=\\\"closeDropdown\\\" @keyup.esc=\\\"closeDropdown\\\">\\n    <!--<pre>{{columns | json}}</pre>-->\\n    <!--<pre>{{$data | json}}</pre>-->\\n    <div class=\\\"col-sm-6\\\">\\n        <div v-if=\\\"showFilter\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;\\\">\\n            <div class=\\\"input-group\\\">\\n                <input type=\\\"text\\\" class=\\\"form-control\\\" placeholder=\\\"Filter\\\" v-model=\\\"filterKey\\\">\\n                <div class=\\\"input-group-addon\\\">\\n                    <i class=\\\"glyphicon glyphicon-search\\\"></i>\\n                </div>\\n            </div>\\n        </div>\\n    </div>\\n    <div class=\\\"col-sm-6\\\">\\n        <div v-if=\\\"showColumnPicker\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;float:right;\\\">\\n            <div class=\\\"btn-group\\\" :class=\\\"{'open' : columnMenuOpen}\\\">\\n                <button @click.stop.prevent=\\\"columnMenuOpen = !columnMenuOpen\\\" @keyup.esc=\\\"columnMenuOpen = false\\\"\\n                        type=\\\"button\\\" class=\\\"btn btn-default dropdown-toggle\\\" data-toggle=\\\"dropdown\\\"\\n                        aria-haspopup=\\\"true\\\">\\n                    Columns <span class=\\\"caret\\\"></span>\\n                </button>\\n                <ul class=\\\"dropdown-menu\\\">\\n                    <li v-for=\\\"column in displayCols\\\">\\n                        <a href=\\\"#\\\" @click.stop.prevent=\\\"toggleColumn(column)\\\">\\n                            <i v-if=\\\"column.visible\\\" class=\\\"glyphicon glyphicon-ok\\\"></i> {{column.title}}\\n                        </a>\\n                    </li>\\n                </ul>\\n            </div>\\n        </div>\\n    </div>\\n    <div class=\\\"col-sm-12\\\">\\n        <div id=\\\"loadingdiv\\\" :class=\\\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\\\">\\n            <div class=\\\"spinner\\\"></div>\\n        </div>\\n        <table class=\\\"table table-bordered table-hover table-condensed table-striped vue-table\\\">\\n            <thead>\\n                <tr>\\n                    <th v-for=\\\"column in displayCols | filterBy true in 'visible'\\\" @click=\\\"sortBy(column.name)\\\"\\n                        track-by=\\\"$index\\\"\\n                        :class=\\\"getClasses(column.name)\\\">\\n                        {{ column.title }}\\n                    </th>\\n                </tr>\\n            </thead>\\n            <tbody>\\n                <tr v-for=\\\"entry in filteredValues | orderBy sortKey sortOrders[sortKey]\\\" track-by=\\\"$index\\\">\\n                    <td v-for=\\\"column in displayCols | filterBy true in 'visible'\\\" track-by=\\\"$index\\\"\\n                        v-show=\\\"column.visible\\\">\\n                        <span v-if=\\\"!column.editable\\\"> {{ entry[column.name] }} </span>\\n                        <value-field-section v-else\\n                            :entry=\\\"entry\\\"\\n                            :columnname=\\\"column.name\\\"\\n                            :value=\\\"entry[column.name]\\\"></value-field-section>\\n                    </td>\\n                </tr>\\n            </tbody>\\n        </table>\\n    </div>\\n    <div v-if=\\\"paginated\\\" class=\\\"col-sm-12\\\">\\n        <div class=\\\"btn-toolbar\\\" role=\\\"toolbar\\\" aria-label=\\\"pagination bar\\\">\\n          <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"first page\\\">\\n            <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=1\\\">&laquo;</button>\\n          </div>\\n          <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"pages\\\">\\n            <button v-for=\\\"index in validPageNumbers\\\"\\n                type=\\\"button\\\" class=\\\"btn btn-default\\\"\\n                v-bind:class=\\\"{ active: this.page===index }\\\"\\n                @click=\\\"this.page=index\\\">\\n                    {{index}}\\n            </button>\\n          </div>\\n          <div class=\\\"btn-group\\\" v-if=\\\"showPaginationEtc\\\">...</div>\\n          <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"last page\\\">\\n            <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=this.maxPage\\\">&raquo;</button>\\n          </div>\\n        </div>\\n    </div>\\n</div>\\n\";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/vue-html-loader!./~/vue-loader/lib/selector.js?type=template&index=0!./src/VueBootstrapTable.vue\n// module id = 42\n// module chunks = 0"],"sourceRoot":""}
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(module.exports.options || (module.exports.options = {})) : module.exports\nif (__vue_template__) {\n__vue_options__.template = __vue_template__\n}\nif (!__vue_options__.computed) __vue_options__.computed = {}\nObject.keys(__vue_styles__).forEach(function (key) {\nvar module = __vue_styles__[key]\n__vue_options__.computed[key] = function () { return module }\n})\nif (module.hot) {(function () {  module.hot.accept()\n  var hotAPI = require(\"vue-hot-reload-api\")\n  hotAPI.install(require(\"vue\"), false)\n  if (!hotAPI.compatible) return\n  var id = \"_v-02b4a2b7/VueBootstrapTable.vue\"\n  if (!module.hot.data) {\n    hotAPI.createRecord(id, module.exports)\n  } else {\n    hotAPI.update(id, module.exports, __vue_template__)\n  }\n})()}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./src/VueBootstrapTable.vue\n// module id = 1\n// module chunks = 0","// style-loader: Adds some css to the DOM by adding a <style> tag\n\n// load the styles\nvar content = require(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\");\nif(typeof content === 'string') content = [[module.id, content, '']];\n// add the styles to the DOM\nvar update = require(\"!../node_modules/vue-style-loader/addStyles.js\")(content, {});\nif(content.locals) module.exports = content.locals;\n// Hot Module Replacement\nif(module.hot) {\n\t// When the styles change, update the <style> tags\n\tif(!content.locals) {\n\t\tmodule.hot.accept(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\", function() {\n\t\t\tvar newContent = require(\"!!../node_modules/css-loader/index.js?sourceMap!../node_modules/vue-loader/lib/style-rewriter.js!../node_modules/vue-loader/lib/selector.js?type=style&index=0!./VueBootstrapTable.vue\");\n\t\t\tif(typeof newContent === 'string') newContent = [[module.id, newContent, '']];\n\t\t\tupdate(newContent);\n\t\t});\n\t}\n\t// When the module is disposed, remove the <style> tags\n\tmodule.hot.dispose(function() { update(); });\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/vue-style-loader!./~/css-loader?sourceMap!./~/vue-loader/lib/style-rewriter.js!./~/vue-loader/lib/selector.js?type=style&index=0!./src/VueBootstrapTable.vue\n// module id = 2\n// module chunks = 0","exports = module.exports = require(\"../node_modules/css-loader/lib/css-base.js\")();\n// imports\n\n\n// module\nexports.push([module.id, \"\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n    .vue-table {\\n\\n    }\\n\\n    /*#maindiv {\\n        content: \\\" \\\";\\n        box-sizing: border-box;\\n        display:\\n        table; width: 100%;\\n    }\\n*/\\n    .spinner {\\n        border: 16px solid #f3f3f3; /* Light grey */\\n        border-top: 16px solid #3498db; /* Blue */\\n        border-radius: 50%;\\n        width: 120px;\\n        height: 120px;\\n        -webkit-animation: spin 2s linear infinite;\\n                animation: spin 2s linear infinite;\\n        position: absolute;\\n        left: 50%;\\n        top: 50%;\\n        margin: -60px 0 0 -60px;\\n    }\\n\\n    @-webkit-keyframes spin {\\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\\n    }\\n\\n    @keyframes spin {\\n        0% { -webkit-transform: rotate(0deg); transform: rotate(0deg); }\\n        100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }\\n    }\\n\\n\\n    .vue-table-loading{\\n        position: absolute;\\n        z-index: 99;\\n        background-color: #ddd;\\n        opacity: 0.5;\\n        width: 100%;\\n        height: 100%;\\n    }\\n\\n    .vue-table-loading-hidden {\\n        display: none;\\n    }\\n\\n    table.vue-table thead > tr > th {\\n        cursor: pointer;\\n        padding-right: 30px !important;\\n    }\\n\\n    /*.vue-table th.active {\\n        color: red;\\n    }*/\\n\\n    .vue-table .arrow {\\n        opacity: 1;\\n        position: relative;\\n    }\\n\\n    .vue-table .arrow:after {\\n        position: absolute;\\n        bottom: 8px;\\n        right: 8px;\\n        display: block;\\n        font-family: 'Glyphicons Halflings';\\n        content: \\\"\\\\E150\\\";\\n        /*\\n        display: inline-block;\\n        vertical-align: middle;\\n        width: 0;\\n        height: 0;\\n        margin-left: 5px;\\n        opacity: 0.66;*/\\n    }\\n\\n    .vue-table .arrow.asc:after {\\n        content: \\\"\\\\E155\\\";\\n        /*\\n        border-left: 4px solid transparent;\\n        border-right: 4px solid transparent;\\n        border-bottom: 4px solid #000;\\n        */\\n    }\\n\\n    .vue-table .arrow.dsc:after {\\n        content: \\\"\\\\E156\\\";\\n    }\\n\\n\\n    .vue-table .editableField {\\n        cursor:pointer;\\n    }\\n\\n    /*.vue-table .selected-cell {\\n        background-color: #F7C072;\\n    }\\n\\n    .vue-table .selected-row {\\n        background-color: #FAE1BE !important;\\n    }*/\\n\", \"\", {\"version\":3,\"sources\":[\"/./src/VueBootstrapTable.vue?74e76db7\"],\"names\":[],\"mappings\":\";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;IAkFA;;KAEA;;IAEA;;;;;;EAMA;IACA;QACA,2BAAA,CAAA,gBAAA;QACA,+BAAA,CAAA,UAAA;QACA,mBAAA;QACA,aAAA;QACA,cAAA;QACA,2CAAA;gBAAA,mCAAA;QACA,mBAAA;QACA,UAAA;QACA,SAAA;QACA,wBAAA;KACA;;IAEA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;IAHA;QACA,KAAA,gCAAA,CAAA,wBAAA,EAAA;QACA,OAAA,kCAAA,CAAA,0BAAA,EAAA;KACA;;;IAGA;QACA,mBAAA;QACA,YAAA;QACA,uBAAA;QACA,aAAA;QACA,YAAA;QACA,aAAA;KACA;;IAEA;QACA,cAAA;KACA;;IAEA;QACA,gBAAA;QACA,+BAAA;KACA;;IAEA;;OAEA;;IAEA;QACA,WAAA;QACA,mBAAA;KACA;;IAEA;QACA,mBAAA;QACA,YAAA;QACA,WAAA;QACA,eAAA;QACA,oCAAA;QACA,iBAAA;QACA;;;;;;wBAMA;KACA;;IAEA;QACA,iBAAA;QACA;;;;UAIA;KACA;;IAEA;QACA,iBAAA;KACA;;;IAGA;QACA,eAAA;KACA;;IAEA;;;;;;OAMA\",\"file\":\"VueBootstrapTable.vue\",\"sourcesContent\":[\"<template>\\n    <div id=\\\"maindiv\\\" @click=\\\"closeDropdown\\\" @keyup.esc=\\\"closeDropdown\\\">\\n        <!--<pre>{{columns | json}}</pre>-->\\n        <!--<pre>{{$data | json}}</pre>-->\\n        <div class=\\\"col-sm-6\\\">\\n            <div v-if=\\\"showFilter\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;\\\">\\n                <div class=\\\"input-group\\\">\\n                    <input type=\\\"text\\\" class=\\\"form-control\\\" placeholder=\\\"Filter\\\" v-model=\\\"filterKey\\\">\\n                    <div class=\\\"input-group-addon\\\">\\n                        <i class=\\\"glyphicon glyphicon-search\\\"></i>\\n                    </div>\\n                </div>\\n            </div>\\n        </div>\\n        <div class=\\\"col-sm-6\\\">\\n            <div v-if=\\\"showColumnPicker\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;float:right;\\\">\\n                <div class=\\\"btn-group\\\" :class=\\\"{'open' : columnMenuOpen}\\\">\\n                    <button @click.stop.prevent=\\\"columnMenuOpen = !columnMenuOpen\\\" @keyup.esc=\\\"columnMenuOpen = false\\\"\\n                            type=\\\"button\\\" class=\\\"btn btn-default dropdown-toggle\\\" data-toggle=\\\"dropdown\\\"\\n                            aria-haspopup=\\\"true\\\">\\n                        Columns <span class=\\\"caret\\\"></span>\\n                    </button>\\n                    <ul class=\\\"dropdown-menu\\\">\\n                        <li v-for=\\\"column in displayCols\\\">\\n                            <a href=\\\"#\\\" @click.stop.prevent=\\\"toggleColumn(column)\\\">\\n                                <i v-if=\\\"column.visible\\\" class=\\\"glyphicon glyphicon-ok\\\"></i> {{column.title}}\\n                            </a>\\n                        </li>\\n                    </ul>\\n                </div>\\n            </div>\\n        </div>\\n        <div class=\\\"col-sm-12\\\">\\n            <div id=\\\"loadingdiv\\\" :class=\\\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\\\">\\n                <div class=\\\"spinner\\\"></div>\\n            </div>\\n            <table class=\\\"table table-bordered table-hover table-condensed table-striped vue-table\\\">\\n                <thead>\\n                    <tr>\\n                        <th v-for=\\\"column in displayColsVisible\\\" @click=\\\"sortBy($event, column.name)\\\"\\n                            track-by=\\\"$index\\\"\\n                            :class=\\\"getClasses(column.name)\\\">\\n                            {{ column.title }}\\n                        </th>\\n                    </tr>\\n                </thead>\\n                <tbody>\\n                    <tr v-for=\\\"entry in filteredValuesSorted \\\" track-by=\\\"$index\\\">\\n                        <td v-for=\\\"column in displayColsVisible\\\" track-by=\\\"$index\\\"\\n                            v-show=\\\"column.visible\\\">\\n\\n                            <span v-if=\\\"!column.editable\\\"> {{ entry[column.name] }} </span>\\n                            <value-field-section v-else\\n                                :entry=\\\"entry\\\"\\n                                :columnname=\\\"column.name\\\"></value-field-section>\\n                        </td>\\n                    </tr>\\n                </tbody>\\n            </table>\\n        </div>\\n        <div v-if=\\\"paginated\\\" class=\\\"col-sm-12\\\">\\n            <div class=\\\"btn-toolbar\\\" role=\\\"toolbar\\\" aria-label=\\\"pagination bar\\\">\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"first page\\\">\\n                <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=1\\\">&laquo;</button>\\n              </div>\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"pages\\\">\\n                <button v-for=\\\"index in validPageNumbers\\\"\\n                    type=\\\"button\\\" class=\\\"btn btn-default\\\"\\n                    :class=\\\"{ active: this.page===index }\\\"\\n                    @click=\\\"this.page=index\\\">\\n                        {{index}}\\n                </button>\\n              </div>\\n              <div class=\\\"btn-group\\\" v-if=\\\"showPaginationEtc\\\">...</div>\\n              <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"last page\\\">\\n                <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=this.maxPage\\\">&raquo;</button>\\n              </div>\\n            </div>\\n        </div>\\n    </div>\\n</template>\\n<style>\\n    .vue-table {\\n\\n    }\\n\\n    /*#maindiv {\\n        content: \\\" \\\";\\n        box-sizing: border-box;\\n        display:\\n        table; width: 100%;\\n    }\\n*/\\n    .spinner {\\n        border: 16px solid #f3f3f3; /* Light grey */\\n        border-top: 16px solid #3498db; /* Blue */\\n        border-radius: 50%;\\n        width: 120px;\\n        height: 120px;\\n        animation: spin 2s linear infinite;\\n        position: absolute;\\n        left: 50%;\\n        top: 50%;\\n        margin: -60px 0 0 -60px;\\n    }\\n\\n    @keyframes spin {\\n        0% { transform: rotate(0deg); }\\n        100% { transform: rotate(360deg); }\\n    }\\n\\n\\n    .vue-table-loading{\\n        position: absolute;\\n        z-index: 99;\\n        background-color: #ddd;\\n        opacity: 0.5;\\n        width: 100%;\\n        height: 100%;\\n    }\\n\\n    .vue-table-loading-hidden {\\n        display: none;\\n    }\\n\\n    table.vue-table thead > tr > th {\\n        cursor: pointer;\\n        padding-right: 30px !important;\\n    }\\n\\n    /*.vue-table th.active {\\n        color: red;\\n    }*/\\n\\n    .vue-table .arrow {\\n        opacity: 1;\\n        position: relative;\\n    }\\n\\n    .vue-table .arrow:after {\\n        position: absolute;\\n        bottom: 8px;\\n        right: 8px;\\n        display: block;\\n        font-family: 'Glyphicons Halflings';\\n        content: \\\"\\\\e150\\\";\\n        /*\\n        display: inline-block;\\n        vertical-align: middle;\\n        width: 0;\\n        height: 0;\\n        margin-left: 5px;\\n        opacity: 0.66;*/\\n    }\\n\\n    .vue-table .arrow.asc:after {\\n        content: \\\"\\\\e155\\\";\\n        /*\\n        border-left: 4px solid transparent;\\n        border-right: 4px solid transparent;\\n        border-bottom: 4px solid #000;\\n        */\\n    }\\n\\n    .vue-table .arrow.dsc:after {\\n        content: \\\"\\\\e156\\\";\\n    }\\n\\n\\n    .vue-table .editableField {\\n        cursor:pointer;\\n    }\\n\\n    /*.vue-table .selected-cell {\\n        background-color: #F7C072;\\n    }\\n\\n    .vue-table .selected-row {\\n        background-color: #FAE1BE !important;\\n    }*/\\n</style>\\n<script>\\n\\n    import axios from 'axios';\\n    import qs from 'qs';\\n    import lodash from 'lodash';\\n\\n\\n    /* Field Section used for displaying and editing value of cell */\\n    var valueFieldSection = {\\n      template: '<span v-if=\\\"!enabled\\\" @dblclick=\\\"toggleInput\\\" class=\\\"editableField\\\">{{this.entry[this.columnname]}}</span>'+\\n          '<div v-if=\\\"enabled\\\" class=\\\"input-group\\\">'+\\n          '  <input type=\\\"text\\\" class=\\\"form-control\\\" v-model=\\\"datavalue\\\" @keyup.enter=\\\"saveThis\\\" @keyup.esc=\\\"cancelThis\\\">'+\\n          '  <span class=\\\"input-group-btn\\\">'+\\n          '    <button class=\\\"btn btn-danger\\\" type=\\\"button\\\" @click=\\\"cancelThis\\\" ><span class=\\\"glyphicon glyphicon-remove\\\" aria-hidden=\\\"true\\\"></span></button>'+\\n          '    <button class=\\\"btn btn-primary\\\" type=\\\"button\\\" @click=\\\"saveThis\\\" ><span class=\\\"glyphicon glyphicon-ok\\\" aria-hidden=\\\"true\\\"></span></button>'+\\n          '  </span>'+\\n          '</div>',\\n      props: ['entry','columnname'],\\n      data: function () {\\n          return {\\n              enabled: false,\\n              datavalue: \\\"\\\",\\n          }\\n      },\\n      methods: {\\n        saveThis: function () {\\n            var originalValue = this.entry[this.columnname];\\n            this.entry[this.columnname] = this.datavalue;\\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.datavalue, this.columnname,  this.entry);\\n            this.enabled = !this.enabled;\\n        },\\n        cancelThis: function () {\\n            this.datavalue = this.entry[this.columnname];\\n            this.enabled = !this.enabled;\\n        },\\n        toggleInput: function () {\\n            this.datavalue= this.entry[this.columnname];\\n            this.enabled=!this.enabled;\\n        },\\n      }\\n    };\\n\\n    export default {\\n        name: \\\"VueBootstrapTable\\\",\\n        components: {\\n            'value-field-section': valueFieldSection,\\n        },\\n        props: {\\n            /**\\n             * The column titles, required\\n             */\\n            columns: {\\n                type: Array,\\n                required: true,\\n            },\\n            /**\\n             * The rows, an Array of objects\\n             */\\n            values: {\\n                type: Array,\\n                required: false,\\n            },\\n            /**\\n             * Enable/disable table sorting, optional, default true\\n             */\\n            sortable: {\\n                type: Boolean,\\n                required: false,\\n                default: true,\\n            },\\n            /**\\n             * Enable/disable table multicolumn sorting, optional, default false.\\n             * Also sortable must be enabled for this function to work.\\n             */\\n            multiColumnSortable: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * Enable/disable input filter, optional, default false\\n             */\\n            showFilter: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * Enable/disable column picker to show/hide table columns, optional, default false\\n             */\\n            showColumnPicker: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * Enable/disable pagination for the table, optional, default false\\n             */\\n            paginated: {\\n                type: Boolean,\\n                required: false,\\n                default: false,\\n            },\\n            /**\\n             * If pagination is enabled defining the page size, optional, default 10\\n             */\\n            pageSize: {\\n                type: Number,\\n                required: false,\\n                default: 10,\\n            },\\n            /**\\n             * If loading of table is to be done through ajax, then this object must be set\\n             */\\n            ajax: {\\n                type: Object,\\n                required: false,\\n                default: function () {\\n                    return {\\n                        enabled: false,\\n                        url: \\\"\\\",\\n                        method: \\\"GET\\\",\\n                        delegate: false,\\n                    }\\n                }\\n            },\\n        },\\n        data: function () {\\n            return {\\n                filteredSize: 0,\\n                filterKey: \\\"\\\",\\n                sortKey: [],\\n                sortOrders: {},\\n                sortChanged: 1,\\n                columnMenuOpen: false,\\n                displayCols: [],\\n                filteredValues: [],\\n                page: 1,\\n                echo: 0,\\n                loading: false,\\n            };\\n        },\\n        ready: function () {\\n            this.loading= true;\\n            this.setSortOrders();\\n            var self = this;\\n            this.columns.forEach(function (column) {\\n                var obj = self.buildColumnObject(column);\\n                self.displayCols.push(obj);\\n            });\\n            if (this.ajax.enabled) {\\n                if (!this.ajax.delegate) {\\n                    this.loading= true;\\n                    this.fetchData(function (data) {\\n                        self.values = data.data;\\n                        self.processFilter();\\n                    });\\n                }else\\n                    this.processFilter();\\n            }else\\n                this.processFilter();\\n        },\\n        watch: {\\n            values: function () {\\n                this.processFilter();\\n            },\\n            columns: function () {\\n                this.displayCols = [];\\n                var self = this;\\n                this.columns.forEach(function (column) {\\n                    var obj = self.buildColumnObject(column);\\n                    self.displayCols.push(obj);\\n                });\\n                this.setSortOrders();\\n            },\\n            showFilter: function () {\\n                this.filterKey = \\\"\\\";\\n            },\\n            showColumnPicker: function () {\\n                this.columnMenuOpen = false;\\n\\n                this.displayCols.forEach(function (column) {\\n                    column.visible = true;\\n                });\\n            },\\n            filterKey: function () {\\n                // filter was updated, so resetting to page 1\\n                this.page = 1;\\n                this.processFilter();\\n            },\\n            sortKey: function () {\\n                this.processFilter();\\n            },\\n            sortChanged: function () {\\n                this.processFilter();\\n            },\\n            page: function () {\\n                this.processFilter();\\n            },\\n            paginated: function () {\\n                this.processFilter();\\n            },\\n            loading: function () {\\n                /*document.getElementById(\\\"loadingdiv\\\").style.width = document.getElementById(\\\"maindiv\\\").getBoundingClientRect().width + \\\"px\\\";\\n                document.getElementById(\\\"loadingdiv\\\").style.height = document.getElementById(\\\"maindiv\\\").getBoundingClientRect().height+\\\"px\\\";*/\\n            }\\n        },\\n        computed: {\\n            displayColsVisible: function () {\\n                var displayColsVisible = [];\\n                for (var a in this.displayCols) {\\n                    if (this.displayCols[a].visible)\\n                        displayColsVisible.push(this.displayCols[a]);\\n                }\\n                return displayColsVisible;\\n            },\\n            filteredValuesSorted: function () {\\n                var tColsDir = [];\\n                for(var i=0, len=this.sortKey.length; i < len; i++){\\n                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\\n                }\\n                return _.orderBy(this.filteredValues, this.sortKey , tColsDir);\\n            },\\n            validPageNumbers: function () {\\n                // 5 page max\\n                var result = [];\\n                var start = 1;\\n                if (this.page > 3)\\n                    start = this.page-2;\\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\\n                    result.push(start);\\n                    i++;\\n                }\\n                return result;\\n            },\\n            maxPage: function () {\\n                return Math.ceil(this.filteredSize / this.pageSize);\\n            },\\n            showPaginationEtc: function () {\\n                var temp = 1;\\n                if (this.page > 3)\\n                    temp = this.page-2;\\n                return ( (temp+4) < this.maxPage  );\\n            },\\n        },\\n        methods: {\\n            processFilter: function () {\\n                var self = this;\\n                this.loading = true;\\n                if ( this.ajax.enabled && this.ajax.delegate ) {\\n                   this.fetchData(function (data) {\\n                       self.filteredSize = data.filtered;\\n                       self.filteredValues = data.data;\\n                       self.loading = false;\\n                   });\\n                } else {\\n                    var result = this.values.filter(item => {\\n                                var good = false;\\n                                for (var col in self.displayColsVisible) {\\n                                    if ( _.includes(item[self.displayColsVisible[col].name]+\\\"\\\" , self.filterKey+\\\"\\\")){\\n                                        good = true;\\n                                    }\\n                                }\\n                                return good;\\n                    });\\n\\n                    var tColsDir = [];\\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\\n                    }\\n\\n                    result = _.orderBy(result, this.sortKey, tColsDir);\\n\\n                    this.filteredSize = result.length;\\n                    if (this.paginated) {\\n                        var startIndex = (this.page - 1) * this.pageSize;\\n                        var tIndex = 0;\\n                        var tempResult = [];\\n                        while (tIndex < this.pageSize) {\\n                            if (typeof result[startIndex + tIndex] !== \\\"undefined\\\")\\n                                tempResult.push(result[startIndex + tIndex]);\\n                            tIndex++;\\n                        }\\n                        self.filteredValues = tempResult;\\n                    } else\\n                        self.filteredValues = result;\\n                    self.loading = false;\\n                }\\n            },\\n            fetchData: function ( dataCallBackFunction ) {\\n                var self = this;\\n                var ajaxParameters = {\\n                    params: {}\\n                };\\n                this.echo++;\\n                if (this.ajax.enabled && this.ajax.delegate) {\\n                    var tColsDir = [];\\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\\n                    }\\n                    if ( this.ajax.method=== \\\"GET\\\" ) {\\n                        ajaxParameters.params.sortcol = this.sortKey;\\n                        ajaxParameters.params.sortdir = tColsDir;\\n                        ajaxParameters.params.filter = this.filterKey;\\n                        if (self.paginated ) {\\n                            ajaxParameters.params.page = this.page;\\n                            ajaxParameters.params.pagesize = this.pageSize;\\n                        } else {\\n                            ajaxParameters.params.page = 1;\\n                            ajaxParameters.params.pagesize = null;\\n                        }\\n                        ajaxParameters.params.echo = this.echo;\\n                    }\\n                    if ( this.ajax.method=== \\\"POST\\\" ) {\\n                        ajaxParameters.sortcol = this.sortKey;\\n                        ajaxParameters.sortdir = tColsDir;\\n                        ajaxParameters.filter = this.filterKey;\\n                        if (self.paginated ) {\\n                            ajaxParameters.page = this.page;\\n                            ajaxParameters.pagesize = this.pageSize;\\n                        } else {\\n                            ajaxParameters.page = 1;\\n                            ajaxParameters.pagesize = null;\\n                        }\\n                        ajaxParameters.echo = this.echo;\\n                    }\\n                    //console.log(JSON.stringify(ajaxParameters));\\n                }\\n                if (this.ajax.enabled && this.ajax.method === \\\"GET\\\") {\\n                    axios.get(self.ajax.url, ajaxParameters )\\n                        .then(response => {\\n                            if (response.data.echo === self.echo) {\\n                                dataCallBackFunction(response.data);\\n                                this.$dispatch('ajaxLoadedEvent', response.data);\\n                            }\\n                        })\\n                        .catch(e => {\\n                            this.$dispatch('ajaxLoadingError', e);\\n                        });\\n                }\\n                if (this.ajax.enabled && this.ajax.method === \\\"POST\\\") {\\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\\n                        .then(response => {\\n                            if (response.data.echo === self.echo) {\\n                                dataCallBackFunction(response.data);\\n                                this.$dispatch('ajaxLoadedEvent', response.data);\\n                            }\\n                        })\\n                        .catch(e => {\\n                            this.$dispatch('ajaxLoadingError', e);\\n                        });\\n                }\\n            },\\n            buildColumnObject: function (column) {\\n                var obj = {};\\n                obj.title = column.title;\\n                if ( typeof column.name !== \\\"undefined\\\")\\n                    obj.name = column.name;\\n                else\\n                    obj.name = column.title;\\n                if ( typeof column.visible !== \\\"undefined\\\")\\n                    obj.visible = column.visible;\\n                else\\n                    obj.visible = true;\\n                if ( typeof column.editable !== \\\"undefined\\\")\\n                    obj.editable = column.editable;\\n                else\\n                    obj.editable = false;\\n                return obj;\\n            },\\n            setSortOrders: function () {\\n                this.sortKey = [];\\n                var sortOrders = {};\\n                this.columns.forEach(function (column) {\\n                    sortOrders[column.name] = \\\"\\\";\\n                });\\n                this.sortOrders = sortOrders;\\n\\n            },\\n            sortBy: function (event, key) {\\n                if (this.sortable) {\\n                    var self = this;\\n\\n                    if (!this.multiColumnSortable || ( this.multiColumnSortable && !event.shiftKey)) {\\n                        this.sortKey = [key];\\n                        this.columns.forEach(function (column) {\\n                            if (column.name !== key) {\\n                                self.sortOrders[column.name] = \\\"\\\";\\n                            }\\n                        });\\n                    } else {\\n                        if (_.findIndex(this.sortKey, function(o) { return o === key; }) === -1) {\\n                            this.sortKey.push(key);\\n                        }\\n                    }\\n                    if (this.sortOrders[key] === \\\"\\\") {\\n                        this.sortOrders[key] = \\\"ASC\\\";\\n                    } else if (this.sortOrders[key] === \\\"ASC\\\") {\\n                        this.sortOrders[key] = \\\"DESC\\\";\\n                    } else {\\n                        this.sortOrders[key] = \\\"ASC\\\";\\n                    }\\n\\n                    this.sortChanged = this.sortChanged * -1;\\n                }\\n            },\\n            getClasses: function (key) {\\n                var classes = [];\\n                if (this.sortable) {\\n                    classes.push(\\\"arrow\\\");\\n                    /*if (this.sortKey === key) {\\n                        classes.push(\\\"active\\\");\\n                    }*/\\n                    if (_.findIndex(this.sortKey, function(o) { return o === key; }) !== -1) {\\n                        classes.push(\\\"active\\\");\\n                    }\\n\\n                    if (this.sortOrders[key] === \\\"ASC\\\") {\\n                        classes.push(\\\"asc\\\");\\n                    } else if (this.sortOrders[key] === \\\"DESC\\\") {\\n                        classes.push(\\\"dsc\\\");\\n                    }\\n                }\\n                return classes;\\n            },\\n            toggleColumn: function (column) {\\n                column.visible = !column.visible;\\n            },\\n            closeDropdown: function () {\\n                this.columnMenuOpen = false;\\n            },\\n        },\\n        events: {\\n        }\\n    }\\n</script>\"],\"sourceRoot\":\"webpack://\"}]);\n\n// exports\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/css-loader?sourceMap!./~/vue-loader/lib/style-rewriter.js!./~/vue-loader/lib/selector.js?type=style&index=0!./src/VueBootstrapTable.vue\n// module id = 3\n// module chunks = 0","/*\r\n\tMIT License http://www.opensource.org/licenses/mit-license.php\r\n\tAuthor Tobias Koppers @sokra\r\n*/\r\n// css base code, injected by the css-loader\r\nmodule.exports = function() {\r\n\tvar list = [];\r\n\r\n\t// return the list of modules as css string\r\n\tlist.toString = function toString() {\r\n\t\tvar result = [];\r\n\t\tfor(var i = 0; i < this.length; i++) {\r\n\t\t\tvar item = this[i];\r\n\t\t\tif(item[2]) {\r\n\t\t\t\tresult.push(\"@media \" + item[2] + \"{\" + item[1] + \"}\");\r\n\t\t\t} else {\r\n\t\t\t\tresult.push(item[1]);\r\n\t\t\t}\r\n\t\t}\r\n\t\treturn result.join(\"\");\r\n\t};\r\n\r\n\t// import a list of modules into the list\r\n\tlist.i = function(modules, mediaQuery) {\r\n\t\tif(typeof modules === \"string\")\r\n\t\t\tmodules = [[null, modules, \"\"]];\r\n\t\tvar alreadyImportedModules = {};\r\n\t\tfor(var i = 0; i < this.length; i++) {\r\n\t\t\tvar id = this[i][0];\r\n\t\t\tif(typeof id === \"number\")\r\n\t\t\t\talreadyImportedModules[id] = true;\r\n\t\t}\r\n\t\tfor(i = 0; i < modules.length; i++) {\r\n\t\t\tvar item = modules[i];\r\n\t\t\t// skip already imported module\r\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\r\n\t\t\t//  when a module is imported multiple times with different media queries.\r\n\t\t\t//  I hope this will never occur (Hey this way we have smaller bundles)\r\n\t\t\tif(typeof item[0] !== \"number\" || !alreadyImportedModules[item[0]]) {\r\n\t\t\t\tif(mediaQuery && !item[2]) {\r\n\t\t\t\t\titem[2] = mediaQuery;\r\n\t\t\t\t} else if(mediaQuery) {\r\n\t\t\t\t\titem[2] = \"(\" + item[2] + \") and (\" + mediaQuery + \")\";\r\n\t\t\t\t}\r\n\t\t\t\tlist.push(item);\r\n\t\t\t}\r\n\t\t}\r\n\t};\r\n\treturn list;\r\n};\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/css-loader/lib/css-base.js\n// module id = 4\n// module chunks = 0","/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\nvar stylesInDom = {},\n\tmemoize = function(fn) {\n\t\tvar memo;\n\t\treturn function () {\n\t\t\tif (typeof memo === \"undefined\") memo = fn.apply(this, arguments);\n\t\t\treturn memo;\n\t\t};\n\t},\n\tisOldIE = memoize(function() {\n\t\treturn /msie [6-9]\\b/.test(window.navigator.userAgent.toLowerCase());\n\t}),\n\tgetHeadElement = memoize(function () {\n\t\treturn document.head || document.getElementsByTagName(\"head\")[0];\n\t}),\n\tsingletonElement = null,\n\tsingletonCounter = 0,\n\tstyleElementsInsertedAtTop = [];\n\nmodule.exports = function(list, options) {\n\tif(typeof DEBUG !== \"undefined\" && DEBUG) {\n\t\tif(typeof document !== \"object\") throw new Error(\"The style-loader cannot be used in a non-browser environment\");\n\t}\n\n\toptions = options || {};\n\t// Force single-tag solution on IE6-9, which has a hard limit on the # of <style>\n\t// tags it will allow on a page\n\tif (typeof options.singleton === \"undefined\") options.singleton = isOldIE();\n\n\t// By default, add <style> tags to the bottom of <head>.\n\tif (typeof options.insertAt === \"undefined\") options.insertAt = \"bottom\";\n\n\tvar styles = listToStyles(list);\n\taddStylesToDom(styles, options);\n\n\treturn function update(newList) {\n\t\tvar mayRemove = [];\n\t\tfor(var i = 0; i < styles.length; i++) {\n\t\t\tvar item = styles[i];\n\t\t\tvar domStyle = stylesInDom[item.id];\n\t\t\tdomStyle.refs--;\n\t\t\tmayRemove.push(domStyle);\n\t\t}\n\t\tif(newList) {\n\t\t\tvar newStyles = listToStyles(newList);\n\t\t\taddStylesToDom(newStyles, options);\n\t\t}\n\t\tfor(var i = 0; i < mayRemove.length; i++) {\n\t\t\tvar domStyle = mayRemove[i];\n\t\t\tif(domStyle.refs === 0) {\n\t\t\t\tfor(var j = 0; j < domStyle.parts.length; j++)\n\t\t\t\t\tdomStyle.parts[j]();\n\t\t\t\tdelete stylesInDom[domStyle.id];\n\t\t\t}\n\t\t}\n\t};\n}\n\nfunction addStylesToDom(styles, options) {\n\tfor(var i = 0; i < styles.length; i++) {\n\t\tvar item = styles[i];\n\t\tvar domStyle = stylesInDom[item.id];\n\t\tif(domStyle) {\n\t\t\tdomStyle.refs++;\n\t\t\tfor(var j = 0; j < domStyle.parts.length; j++) {\n\t\t\t\tdomStyle.parts[j](item.parts[j]);\n\t\t\t}\n\t\t\tfor(; j < item.parts.length; j++) {\n\t\t\t\tdomStyle.parts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t} else {\n\t\t\tvar parts = [];\n\t\t\tfor(var j = 0; j < item.parts.length; j++) {\n\t\t\t\tparts.push(addStyle(item.parts[j], options));\n\t\t\t}\n\t\t\tstylesInDom[item.id] = {id: item.id, refs: 1, parts: parts};\n\t\t}\n\t}\n}\n\nfunction listToStyles(list) {\n\tvar styles = [];\n\tvar newStyles = {};\n\tfor(var i = 0; i < list.length; i++) {\n\t\tvar item = list[i];\n\t\tvar id = item[0];\n\t\tvar css = item[1];\n\t\tvar media = item[2];\n\t\tvar sourceMap = item[3];\n\t\tvar part = {css: css, media: media, sourceMap: sourceMap};\n\t\tif(!newStyles[id])\n\t\t\tstyles.push(newStyles[id] = {id: id, parts: [part]});\n\t\telse\n\t\t\tnewStyles[id].parts.push(part);\n\t}\n\treturn styles;\n}\n\nfunction insertStyleElement(options, styleElement) {\n\tvar head = getHeadElement();\n\tvar lastStyleElementInsertedAtTop = styleElementsInsertedAtTop[styleElementsInsertedAtTop.length - 1];\n\tif (options.insertAt === \"top\") {\n\t\tif(!lastStyleElementInsertedAtTop) {\n\t\t\thead.insertBefore(styleElement, head.firstChild);\n\t\t} else if(lastStyleElementInsertedAtTop.nextSibling) {\n\t\t\thead.insertBefore(styleElement, lastStyleElementInsertedAtTop.nextSibling);\n\t\t} else {\n\t\t\thead.appendChild(styleElement);\n\t\t}\n\t\tstyleElementsInsertedAtTop.push(styleElement);\n\t} else if (options.insertAt === \"bottom\") {\n\t\thead.appendChild(styleElement);\n\t} else {\n\t\tthrow new Error(\"Invalid value for parameter 'insertAt'. Must be 'top' or 'bottom'.\");\n\t}\n}\n\nfunction removeStyleElement(styleElement) {\n\tstyleElement.parentNode.removeChild(styleElement);\n\tvar idx = styleElementsInsertedAtTop.indexOf(styleElement);\n\tif(idx >= 0) {\n\t\tstyleElementsInsertedAtTop.splice(idx, 1);\n\t}\n}\n\nfunction createStyleElement(options) {\n\tvar styleElement = document.createElement(\"style\");\n\tstyleElement.type = \"text/css\";\n\tinsertStyleElement(options, styleElement);\n\treturn styleElement;\n}\n\nfunction addStyle(obj, options) {\n\tvar styleElement, update, remove;\n\n\tif (options.singleton) {\n\t\tvar styleIndex = singletonCounter++;\n\t\tstyleElement = singletonElement || (singletonElement = createStyleElement(options));\n\t\tupdate = applyToSingletonTag.bind(null, styleElement, styleIndex, false);\n\t\tremove = applyToSingletonTag.bind(null, styleElement, styleIndex, true);\n\t} else {\n\t\tstyleElement = createStyleElement(options);\n\t\tupdate = applyToTag.bind(null, styleElement);\n\t\tremove = function() {\n\t\t\tremoveStyleElement(styleElement);\n\t\t};\n\t}\n\n\tupdate(obj);\n\n\treturn function updateStyle(newObj) {\n\t\tif(newObj) {\n\t\t\tif(newObj.css === obj.css && newObj.media === obj.media && newObj.sourceMap === obj.sourceMap)\n\t\t\t\treturn;\n\t\t\tupdate(obj = newObj);\n\t\t} else {\n\t\t\tremove();\n\t\t}\n\t};\n}\n\nvar replaceText = (function () {\n\tvar textStore = [];\n\n\treturn function (index, replacement) {\n\t\ttextStore[index] = replacement;\n\t\treturn textStore.filter(Boolean).join('\\n');\n\t};\n})();\n\nfunction applyToSingletonTag(styleElement, index, remove, obj) {\n\tvar css = remove ? \"\" : obj.css;\n\n\tif (styleElement.styleSheet) {\n\t\tstyleElement.styleSheet.cssText = replaceText(index, css);\n\t} else {\n\t\tvar cssNode = document.createTextNode(css);\n\t\tvar childNodes = styleElement.childNodes;\n\t\tif (childNodes[index]) styleElement.removeChild(childNodes[index]);\n\t\tif (childNodes.length) {\n\t\t\tstyleElement.insertBefore(cssNode, childNodes[index]);\n\t\t} else {\n\t\t\tstyleElement.appendChild(cssNode);\n\t\t}\n\t}\n}\n\nfunction applyToTag(styleElement, obj) {\n\tvar css = obj.css;\n\tvar media = obj.media;\n\tvar sourceMap = obj.sourceMap;\n\n\tif (media) {\n\t\tstyleElement.setAttribute(\"media\", media);\n\t}\n\n\tif (sourceMap) {\n\t\t// https://developer.chrome.com/devtools/docs/javascript-debugging\n\t\t// this makes source maps inside style tags work properly in Chrome\n\t\tcss += '\\n/*# sourceURL=' + sourceMap.sources[0] + ' */';\n\t\t// http://stackoverflow.com/a/26603875\n\t\tcss += \"\\n/*# sourceMappingURL=data:application/json;base64,\" + btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap)))) + \" */\";\n\t}\n\n\tif (styleElement.styleSheet) {\n\t\tstyleElement.styleSheet.cssText = css;\n\t} else {\n\t\twhile(styleElement.firstChild) {\n\t\t\tstyleElement.removeChild(styleElement.firstChild);\n\t\t}\n\t\tstyleElement.appendChild(document.createTextNode(css));\n\t}\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/vue-style-loader/addStyles.js\n// module id = 5\n// module chunks = 0","<template>\n    <div id=\"maindiv\" @click=\"closeDropdown\" @keyup.esc=\"closeDropdown\">\n        <!--<pre>{{columns | json}}</pre>-->\n        <!--<pre>{{$data | json}}</pre>-->\n        <div class=\"col-sm-6\">\n            <div v-if=\"showFilter\" style=\"padding-top: 10px;padding-bottom: 10px;\">\n                <div class=\"input-group\">\n                    <input type=\"text\" class=\"form-control\" placeholder=\"Filter\" v-model=\"filterKey\">\n                    <div class=\"input-group-addon\">\n                        <i class=\"glyphicon glyphicon-search\"></i>\n                    </div>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-6\">\n            <div v-if=\"showColumnPicker\" style=\"padding-top: 10px;padding-bottom: 10px;float:right;\">\n                <div class=\"btn-group\" :class=\"{'open' : columnMenuOpen}\">\n                    <button @click.stop.prevent=\"columnMenuOpen = !columnMenuOpen\" @keyup.esc=\"columnMenuOpen = false\"\n                            type=\"button\" class=\"btn btn-default dropdown-toggle\" data-toggle=\"dropdown\"\n                            aria-haspopup=\"true\">\n                        Columns <span class=\"caret\"></span>\n                    </button>\n                    <ul class=\"dropdown-menu\">\n                        <li v-for=\"column in displayCols\">\n                            <a href=\"#\" @click.stop.prevent=\"toggleColumn(column)\">\n                                <i v-if=\"column.visible\" class=\"glyphicon glyphicon-ok\"></i> {{column.title}}\n                            </a>\n                        </li>\n                    </ul>\n                </div>\n            </div>\n        </div>\n        <div class=\"col-sm-12\">\n            <div id=\"loadingdiv\" :class=\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\">\n                <div class=\"spinner\"></div>\n            </div>\n            <table class=\"table table-bordered table-hover table-condensed table-striped vue-table\">\n                <thead>\n                    <tr>\n                        <th v-for=\"column in displayColsVisible\" @click=\"sortBy($event, column.name)\"\n                            track-by=\"$index\"\n                            :class=\"getClasses(column.name)\">\n                            {{ column.title }}\n                        </th>\n                    </tr>\n                </thead>\n                <tbody>\n                    <tr v-for=\"entry in filteredValuesSorted \" track-by=\"$index\">\n                        <td v-for=\"column in displayColsVisible\" track-by=\"$index\"\n                            v-show=\"column.visible\">\n\n                            <span v-if=\"!column.editable\"> {{ entry[column.name] }} </span>\n                            <value-field-section v-else\n                                :entry=\"entry\"\n                                :columnname=\"column.name\"></value-field-section>\n                        </td>\n                    </tr>\n                </tbody>\n            </table>\n        </div>\n        <div v-if=\"paginated\" class=\"col-sm-12\">\n            <div class=\"btn-toolbar\" role=\"toolbar\" aria-label=\"pagination bar\">\n              <div class=\"btn-group\" role=\"group\" aria-label=\"first page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=1\">&laquo;</button>\n              </div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"pages\">\n                <button v-for=\"index in validPageNumbers\"\n                    type=\"button\" class=\"btn btn-default\"\n                    :class=\"{ active: this.page===index }\"\n                    @click=\"this.page=index\">\n                        {{index}}\n                </button>\n              </div>\n              <div class=\"btn-group\" v-if=\"showPaginationEtc\">...</div>\n              <div class=\"btn-group\" role=\"group\" aria-label=\"last page\">\n                <button type=\"button\" class=\"btn btn-default\" @click=\"this.page=this.maxPage\">&raquo;</button>\n              </div>\n            </div>\n        </div>\n    </div>\n</template>\n<style>\n    .vue-table {\n\n    }\n\n    /*#maindiv {\n        content: \" \";\n        box-sizing: border-box;\n        display:\n        table; width: 100%;\n    }\n*/\n    .spinner {\n        border: 16px solid #f3f3f3; /* Light grey */\n        border-top: 16px solid #3498db; /* Blue */\n        border-radius: 50%;\n        width: 120px;\n        height: 120px;\n        animation: spin 2s linear infinite;\n        position: absolute;\n        left: 50%;\n        top: 50%;\n        margin: -60px 0 0 -60px;\n    }\n\n    @keyframes spin {\n        0% { transform: rotate(0deg); }\n        100% { transform: rotate(360deg); }\n    }\n\n\n    .vue-table-loading{\n        position: absolute;\n        z-index: 99;\n        background-color: #ddd;\n        opacity: 0.5;\n        width: 100%;\n        height: 100%;\n    }\n\n    .vue-table-loading-hidden {\n        display: none;\n    }\n\n    table.vue-table thead > tr > th {\n        cursor: pointer;\n        padding-right: 30px !important;\n    }\n\n    /*.vue-table th.active {\n        color: red;\n    }*/\n\n    .vue-table .arrow {\n        opacity: 1;\n        position: relative;\n    }\n\n    .vue-table .arrow:after {\n        position: absolute;\n        bottom: 8px;\n        right: 8px;\n        display: block;\n        font-family: 'Glyphicons Halflings';\n        content: \"\\e150\";\n        /*\n        display: inline-block;\n        vertical-align: middle;\n        width: 0;\n        height: 0;\n        margin-left: 5px;\n        opacity: 0.66;*/\n    }\n\n    .vue-table .arrow.asc:after {\n        content: \"\\e155\";\n        /*\n        border-left: 4px solid transparent;\n        border-right: 4px solid transparent;\n        border-bottom: 4px solid #000;\n        */\n    }\n\n    .vue-table .arrow.dsc:after {\n        content: \"\\e156\";\n    }\n\n\n    .vue-table .editableField {\n        cursor:pointer;\n    }\n\n    /*.vue-table .selected-cell {\n        background-color: #F7C072;\n    }\n\n    .vue-table .selected-row {\n        background-color: #FAE1BE !important;\n    }*/\n</style>\n<script>\n\n    import axios from 'axios';\n    import qs from 'qs';\n    import lodash from 'lodash';\n\n\n    /* Field Section used for displaying and editing value of cell */\n    var valueFieldSection = {\n      template: '<span v-if=\"!enabled\" @dblclick=\"toggleInput\" class=\"editableField\">{{this.entry[this.columnname]}}</span>'+\n          '<div v-if=\"enabled\" class=\"input-group\">'+\n          '  <input type=\"text\" class=\"form-control\" v-model=\"datavalue\" @keyup.enter=\"saveThis\" @keyup.esc=\"cancelThis\">'+\n          '  <span class=\"input-group-btn\">'+\n          '    <button class=\"btn btn-danger\" type=\"button\" @click=\"cancelThis\" ><span class=\"glyphicon glyphicon-remove\" aria-hidden=\"true\"></span></button>'+\n          '    <button class=\"btn btn-primary\" type=\"button\" @click=\"saveThis\" ><span class=\"glyphicon glyphicon-ok\" aria-hidden=\"true\"></span></button>'+\n          '  </span>'+\n          '</div>',\n      props: ['entry','columnname'],\n      data: function () {\n          return {\n              enabled: false,\n              datavalue: \"\",\n          }\n      },\n      methods: {\n        saveThis: function () {\n            var originalValue = this.entry[this.columnname];\n            this.entry[this.columnname] = this.datavalue;\n            this.$dispatch('cellDataModifiedEvent', originalValue, this.datavalue, this.columnname,  this.entry);\n            this.enabled = !this.enabled;\n        },\n        cancelThis: function () {\n            this.datavalue = this.entry[this.columnname];\n            this.enabled = !this.enabled;\n        },\n        toggleInput: function () {\n            this.datavalue= this.entry[this.columnname];\n            this.enabled=!this.enabled;\n        },\n      }\n    };\n\n    export default {\n        name: \"VueBootstrapTable\",\n        components: {\n            'value-field-section': valueFieldSection,\n        },\n        props: {\n            /**\n             * The column titles, required\n             */\n            columns: {\n                type: Array,\n                required: true,\n            },\n            /**\n             * The rows, an Array of objects\n             */\n            values: {\n                type: Array,\n                required: false,\n            },\n            /**\n             * Enable/disable table sorting, optional, default true\n             */\n            sortable: {\n                type: Boolean,\n                required: false,\n                default: true,\n            },\n            /**\n             * Enable/disable table multicolumn sorting, optional, default false.\n             * Also sortable must be enabled for this function to work.\n             */\n            multiColumnSortable: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable input filter, optional, default false\n             */\n            showFilter: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable column picker to show/hide table columns, optional, default false\n             */\n            showColumnPicker: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * Enable/disable pagination for the table, optional, default false\n             */\n            paginated: {\n                type: Boolean,\n                required: false,\n                default: false,\n            },\n            /**\n             * If pagination is enabled defining the page size, optional, default 10\n             */\n            pageSize: {\n                type: Number,\n                required: false,\n                default: 10,\n            },\n            /**\n             * If loading of table is to be done through ajax, then this object must be set\n             */\n            ajax: {\n                type: Object,\n                required: false,\n                default: function () {\n                    return {\n                        enabled: false,\n                        url: \"\",\n                        method: \"GET\",\n                        delegate: false,\n                    }\n                }\n            },\n        },\n        data: function () {\n            return {\n                filteredSize: 0,\n                filterKey: \"\",\n                sortKey: [],\n                sortOrders: {},\n                sortChanged: 1,\n                columnMenuOpen: false,\n                displayCols: [],\n                filteredValues: [],\n                page: 1,\n                echo: 0,\n                loading: false,\n            };\n        },\n        ready: function () {\n            this.loading= true;\n            this.setSortOrders();\n            var self = this;\n            this.columns.forEach(function (column) {\n                var obj = self.buildColumnObject(column);\n                self.displayCols.push(obj);\n            });\n            if (this.ajax.enabled) {\n                if (!this.ajax.delegate) {\n                    this.loading= true;\n                    this.fetchData(function (data) {\n                        self.values = data.data;\n                        self.processFilter();\n                    });\n                }else\n                    this.processFilter();\n            }else\n                this.processFilter();\n        },\n        watch: {\n            values: function () {\n                this.processFilter();\n            },\n            columns: function () {\n                this.displayCols = [];\n                var self = this;\n                this.columns.forEach(function (column) {\n                    var obj = self.buildColumnObject(column);\n                    self.displayCols.push(obj);\n                });\n                this.setSortOrders();\n            },\n            showFilter: function () {\n                this.filterKey = \"\";\n            },\n            showColumnPicker: function () {\n                this.columnMenuOpen = false;\n\n                this.displayCols.forEach(function (column) {\n                    column.visible = true;\n                });\n            },\n            filterKey: function () {\n                // filter was updated, so resetting to page 1\n                this.page = 1;\n                this.processFilter();\n            },\n            sortKey: function () {\n                this.processFilter();\n            },\n            sortChanged: function () {\n                this.processFilter();\n            },\n            page: function () {\n                this.processFilter();\n            },\n            paginated: function () {\n                this.processFilter();\n            },\n            loading: function () {\n                /*document.getElementById(\"loadingdiv\").style.width = document.getElementById(\"maindiv\").getBoundingClientRect().width + \"px\";\n                document.getElementById(\"loadingdiv\").style.height = document.getElementById(\"maindiv\").getBoundingClientRect().height+\"px\";*/\n            }\n        },\n        computed: {\n            displayColsVisible: function () {\n                var displayColsVisible = [];\n                for (var a in this.displayCols) {\n                    if (this.displayCols[a].visible)\n                        displayColsVisible.push(this.displayCols[a]);\n                }\n                return displayColsVisible;\n            },\n            filteredValuesSorted: function () {\n                var tColsDir = [];\n                for(var i=0, len=this.sortKey.length; i < len; i++){\n                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                }\n                return _.orderBy(this.filteredValues, this.sortKey , tColsDir);\n            },\n            validPageNumbers: function () {\n                // 5 page max\n                var result = [];\n                var start = 1;\n                if (this.page > 3)\n                    start = this.page-2;\n                for ( var i = 0 ; start <= this.maxPage && i<5; start++ ) {\n                    result.push(start);\n                    i++;\n                }\n                return result;\n            },\n            maxPage: function () {\n                return Math.ceil(this.filteredSize / this.pageSize);\n            },\n            showPaginationEtc: function () {\n                var temp = 1;\n                if (this.page > 3)\n                    temp = this.page-2;\n                return ( (temp+4) < this.maxPage  );\n            },\n        },\n        methods: {\n            processFilter: function () {\n                var self = this;\n                this.loading = true;\n                if ( this.ajax.enabled && this.ajax.delegate ) {\n                   this.fetchData(function (data) {\n                       self.filteredSize = data.filtered;\n                       self.filteredValues = data.data;\n                       self.loading = false;\n                   });\n                } else {\n                    var result = this.values.filter(item => {\n                                var good = false;\n                                for (var col in self.displayColsVisible) {\n                                    if ( _.includes(item[self.displayColsVisible[col].name]+\"\" , self.filterKey+\"\")){\n                                        good = true;\n                                    }\n                                }\n                                return good;\n                    });\n\n                    var tColsDir = [];\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                    }\n\n                    result = _.orderBy(result, this.sortKey, tColsDir);\n\n                    this.filteredSize = result.length;\n                    if (this.paginated) {\n                        var startIndex = (this.page - 1) * this.pageSize;\n                        var tIndex = 0;\n                        var tempResult = [];\n                        while (tIndex < this.pageSize) {\n                            if (typeof result[startIndex + tIndex] !== \"undefined\")\n                                tempResult.push(result[startIndex + tIndex]);\n                            tIndex++;\n                        }\n                        self.filteredValues = tempResult;\n                    } else\n                        self.filteredValues = result;\n                    self.loading = false;\n                }\n            },\n            fetchData: function ( dataCallBackFunction ) {\n                var self = this;\n                var ajaxParameters = {\n                    params: {}\n                };\n                this.echo++;\n                if (this.ajax.enabled && this.ajax.delegate) {\n                    var tColsDir = [];\n                    for(var i=0, len=this.sortKey.length; i < len; i++){\n                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());\n                    }\n                    if ( this.ajax.method=== \"GET\" ) {\n                        ajaxParameters.params.sortcol = this.sortKey;\n                        ajaxParameters.params.sortdir = tColsDir;\n                        ajaxParameters.params.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.params.page = this.page;\n                            ajaxParameters.params.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.params.page = 1;\n                            ajaxParameters.params.pagesize = null;\n                        }\n                        ajaxParameters.params.echo = this.echo;\n                    }\n                    if ( this.ajax.method=== \"POST\" ) {\n                        ajaxParameters.sortcol = this.sortKey;\n                        ajaxParameters.sortdir = tColsDir;\n                        ajaxParameters.filter = this.filterKey;\n                        if (self.paginated ) {\n                            ajaxParameters.page = this.page;\n                            ajaxParameters.pagesize = this.pageSize;\n                        } else {\n                            ajaxParameters.page = 1;\n                            ajaxParameters.pagesize = null;\n                        }\n                        ajaxParameters.echo = this.echo;\n                    }\n                    //console.log(JSON.stringify(ajaxParameters));\n                }\n                if (this.ajax.enabled && this.ajax.method === \"GET\") {\n                    axios.get(self.ajax.url, ajaxParameters )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n                if (this.ajax.enabled && this.ajax.method === \"POST\") {\n                    axios.post(self.ajax.url, qs.stringify(ajaxParameters) )\n                        .then(response => {\n                            if (response.data.echo === self.echo) {\n                                dataCallBackFunction(response.data);\n                                this.$dispatch('ajaxLoadedEvent', response.data);\n                            }\n                        })\n                        .catch(e => {\n                            this.$dispatch('ajaxLoadingError', e);\n                        });\n                }\n            },\n            buildColumnObject: function (column) {\n                var obj = {};\n                obj.title = column.title;\n                if ( typeof column.name !== \"undefined\")\n                    obj.name = column.name;\n                else\n                    obj.name = column.title;\n                if ( typeof column.visible !== \"undefined\")\n                    obj.visible = column.visible;\n                else\n                    obj.visible = true;\n                if ( typeof column.editable !== \"undefined\")\n                    obj.editable = column.editable;\n                else\n                    obj.editable = false;\n                return obj;\n            },\n            setSortOrders: function () {\n                this.sortKey = [];\n                var sortOrders = {};\n                this.columns.forEach(function (column) {\n                    sortOrders[column.name] = \"\";\n                });\n                this.sortOrders = sortOrders;\n\n            },\n            sortBy: function (event, key) {\n                if (this.sortable) {\n                    var self = this;\n\n                    if (!this.multiColumnSortable || ( this.multiColumnSortable && !event.shiftKey)) {\n                        this.sortKey = [key];\n                        this.columns.forEach(function (column) {\n                            if (column.name !== key) {\n                                self.sortOrders[column.name] = \"\";\n                            }\n                        });\n                    } else {\n                        if (_.findIndex(this.sortKey, function(o) { return o === key; }) === -1) {\n                            this.sortKey.push(key);\n                        }\n                    }\n                    if (this.sortOrders[key] === \"\") {\n                        this.sortOrders[key] = \"ASC\";\n                    } else if (this.sortOrders[key] === \"ASC\") {\n                        this.sortOrders[key] = \"DESC\";\n                    } else {\n                        this.sortOrders[key] = \"ASC\";\n                    }\n\n                    this.sortChanged = this.sortChanged * -1;\n                }\n            },\n            getClasses: function (key) {\n                var classes = [];\n                if (this.sortable) {\n                    classes.push(\"arrow\");\n                    /*if (this.sortKey === key) {\n                        classes.push(\"active\");\n                    }*/\n                    if (_.findIndex(this.sortKey, function(o) { return o === key; }) !== -1) {\n                        classes.push(\"active\");\n                    }\n\n                    if (this.sortOrders[key] === \"ASC\") {\n                        classes.push(\"asc\");\n                    } else if (this.sortOrders[key] === \"DESC\") {\n                        classes.push(\"dsc\");\n                    }\n                }\n                return classes;\n            },\n            toggleColumn: function (column) {\n                column.visible = !column.visible;\n            },\n            closeDropdown: function () {\n                this.columnMenuOpen = false;\n            },\n        },\n        events: {\n        }\n    }\n</script>\n\n\n// WEBPACK FOOTER //\n// VueBootstrapTable.vue?74e76db7","module.exports = require('./lib/axios');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/index.js\n// module id = 7\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar bind = require('./helpers/bind');\nvar Axios = require('./core/Axios');\nvar defaults = require('./defaults');\n\n/**\n * Create an instance of Axios\n *\n * @param {Object} defaultConfig The default config for the instance\n * @return {Axios} A new instance of Axios\n */\nfunction createInstance(defaultConfig) {\n  var context = new Axios(defaultConfig);\n  var instance = bind(Axios.prototype.request, context);\n\n  // Copy axios.prototype to instance\n  utils.extend(instance, Axios.prototype, context);\n\n  // Copy context to instance\n  utils.extend(instance, context);\n\n  return instance;\n}\n\n// Create the default instance to be exported\nvar axios = createInstance(defaults);\n\n// Expose Axios class to allow class inheritance\naxios.Axios = Axios;\n\n// Factory for creating new instances\naxios.create = function create(instanceConfig) {\n  return createInstance(utils.merge(defaults, instanceConfig));\n};\n\n// Expose Cancel & CancelToken\naxios.Cancel = require('./cancel/Cancel');\naxios.CancelToken = require('./cancel/CancelToken');\naxios.isCancel = require('./cancel/isCancel');\n\n// Expose all/spread\naxios.all = function all(promises) {\n  return Promise.all(promises);\n};\naxios.spread = require('./helpers/spread');\n\nmodule.exports = axios;\n\n// Allow use of default import syntax in TypeScript\nmodule.exports.default = axios;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/axios.js\n// module id = 8\n// module chunks = 0","'use strict';\n\nvar bind = require('./helpers/bind');\n\n/*global toString:true*/\n\n// utils is a library of generic helper functions non-specific to axios\n\nvar toString = Object.prototype.toString;\n\n/**\n * Determine if a value is an Array\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an Array, otherwise false\n */\nfunction isArray(val) {\n  return toString.call(val) === '[object Array]';\n}\n\n/**\n * Determine if a value is a Node Buffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Node Buffer, otherwise false\n */\nfunction isBuffer(val) {\n  return ((typeof Buffer !== 'undefined') && (Buffer.isBuffer) && (Buffer.isBuffer(val)));\n}\n\n/**\n * Determine if a value is an ArrayBuffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an ArrayBuffer, otherwise false\n */\nfunction isArrayBuffer(val) {\n  return toString.call(val) === '[object ArrayBuffer]';\n}\n\n/**\n * Determine if a value is a FormData\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an FormData, otherwise false\n */\nfunction isFormData(val) {\n  return (typeof FormData !== 'undefined') && (val instanceof FormData);\n}\n\n/**\n * Determine if a value is a view on an ArrayBuffer\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a view on an ArrayBuffer, otherwise false\n */\nfunction isArrayBufferView(val) {\n  var result;\n  if ((typeof ArrayBuffer !== 'undefined') && (ArrayBuffer.isView)) {\n    result = ArrayBuffer.isView(val);\n  } else {\n    result = (val) && (val.buffer) && (val.buffer instanceof ArrayBuffer);\n  }\n  return result;\n}\n\n/**\n * Determine if a value is a String\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a String, otherwise false\n */\nfunction isString(val) {\n  return typeof val === 'string';\n}\n\n/**\n * Determine if a value is a Number\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Number, otherwise false\n */\nfunction isNumber(val) {\n  return typeof val === 'number';\n}\n\n/**\n * Determine if a value is undefined\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if the value is undefined, otherwise false\n */\nfunction isUndefined(val) {\n  return typeof val === 'undefined';\n}\n\n/**\n * Determine if a value is an Object\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is an Object, otherwise false\n */\nfunction isObject(val) {\n  return val !== null && typeof val === 'object';\n}\n\n/**\n * Determine if a value is a Date\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Date, otherwise false\n */\nfunction isDate(val) {\n  return toString.call(val) === '[object Date]';\n}\n\n/**\n * Determine if a value is a File\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a File, otherwise false\n */\nfunction isFile(val) {\n  return toString.call(val) === '[object File]';\n}\n\n/**\n * Determine if a value is a Blob\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Blob, otherwise false\n */\nfunction isBlob(val) {\n  return toString.call(val) === '[object Blob]';\n}\n\n/**\n * Determine if a value is a Function\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Function, otherwise false\n */\nfunction isFunction(val) {\n  return toString.call(val) === '[object Function]';\n}\n\n/**\n * Determine if a value is a Stream\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a Stream, otherwise false\n */\nfunction isStream(val) {\n  return isObject(val) && isFunction(val.pipe);\n}\n\n/**\n * Determine if a value is a URLSearchParams object\n *\n * @param {Object} val The value to test\n * @returns {boolean} True if value is a URLSearchParams object, otherwise false\n */\nfunction isURLSearchParams(val) {\n  return typeof URLSearchParams !== 'undefined' && val instanceof URLSearchParams;\n}\n\n/**\n * Trim excess whitespace off the beginning and end of a string\n *\n * @param {String} str The String to trim\n * @returns {String} The String freed of excess whitespace\n */\nfunction trim(str) {\n  return str.replace(/^\\s*/, '').replace(/\\s*$/, '');\n}\n\n/**\n * Determine if we're running in a standard browser environment\n *\n * This allows axios to run in a web worker, and react-native.\n * Both environments support XMLHttpRequest, but not fully standard globals.\n *\n * web workers:\n *  typeof window -> undefined\n *  typeof document -> undefined\n *\n * react-native:\n *  navigator.product -> 'ReactNative'\n */\nfunction isStandardBrowserEnv() {\n  if (typeof navigator !== 'undefined' && navigator.product === 'ReactNative') {\n    return false;\n  }\n  return (\n    typeof window !== 'undefined' &&\n    typeof document !== 'undefined'\n  );\n}\n\n/**\n * Iterate over an Array or an Object invoking a function for each item.\n *\n * If `obj` is an Array callback will be called passing\n * the value, index, and complete array for each item.\n *\n * If 'obj' is an Object callback will be called passing\n * the value, key, and complete object for each property.\n *\n * @param {Object|Array} obj The object to iterate\n * @param {Function} fn The callback to invoke for each item\n */\nfunction forEach(obj, fn) {\n  // Don't bother if no value provided\n  if (obj === null || typeof obj === 'undefined') {\n    return;\n  }\n\n  // Force an array if not already something iterable\n  if (typeof obj !== 'object' && !isArray(obj)) {\n    /*eslint no-param-reassign:0*/\n    obj = [obj];\n  }\n\n  if (isArray(obj)) {\n    // Iterate over array values\n    for (var i = 0, l = obj.length; i < l; i++) {\n      fn.call(null, obj[i], i, obj);\n    }\n  } else {\n    // Iterate over object keys\n    for (var key in obj) {\n      if (Object.prototype.hasOwnProperty.call(obj, key)) {\n        fn.call(null, obj[key], key, obj);\n      }\n    }\n  }\n}\n\n/**\n * Accepts varargs expecting each argument to be an object, then\n * immutably merges the properties of each object and returns result.\n *\n * When multiple objects contain the same key the later object in\n * the arguments list will take precedence.\n *\n * Example:\n *\n * ```js\n * var result = merge({foo: 123}, {foo: 456});\n * console.log(result.foo); // outputs 456\n * ```\n *\n * @param {Object} obj1 Object to merge\n * @returns {Object} Result of all merge properties\n */\nfunction merge(/* obj1, obj2, obj3, ... */) {\n  var result = {};\n  function assignValue(val, key) {\n    if (typeof result[key] === 'object' && typeof val === 'object') {\n      result[key] = merge(result[key], val);\n    } else {\n      result[key] = val;\n    }\n  }\n\n  for (var i = 0, l = arguments.length; i < l; i++) {\n    forEach(arguments[i], assignValue);\n  }\n  return result;\n}\n\n/**\n * Extends object a by mutably adding to it the properties of object b.\n *\n * @param {Object} a The object to be extended\n * @param {Object} b The object to copy properties from\n * @param {Object} thisArg The object to bind function to\n * @return {Object} The resulting value of object a\n */\nfunction extend(a, b, thisArg) {\n  forEach(b, function assignValue(val, key) {\n    if (thisArg && typeof val === 'function') {\n      a[key] = bind(val, thisArg);\n    } else {\n      a[key] = val;\n    }\n  });\n  return a;\n}\n\nmodule.exports = {\n  isArray: isArray,\n  isArrayBuffer: isArrayBuffer,\n  isBuffer: isBuffer,\n  isFormData: isFormData,\n  isArrayBufferView: isArrayBufferView,\n  isString: isString,\n  isNumber: isNumber,\n  isObject: isObject,\n  isUndefined: isUndefined,\n  isDate: isDate,\n  isFile: isFile,\n  isBlob: isBlob,\n  isFunction: isFunction,\n  isStream: isStream,\n  isURLSearchParams: isURLSearchParams,\n  isStandardBrowserEnv: isStandardBrowserEnv,\n  forEach: forEach,\n  merge: merge,\n  extend: extend,\n  trim: trim\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/utils.js\n// module id = 9\n// module chunks = 0","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar isArray = require('isarray')\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Use Object implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * Due to various browser bugs, sometimes the Object implementation will be used even\n * when the browser supports typed arrays.\n *\n * Note:\n *\n *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,\n *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.\n *\n *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.\n *\n *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of\n *     incorrect length in some situations.\n\n * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they\n * get the Object implementation, which is slower but behaves correctly.\n */\nBuffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined\n  ? global.TYPED_ARRAY_SUPPORT\n  : typedArraySupport()\n\n/*\n * Export kMaxLength after typed array support is determined.\n */\nexports.kMaxLength = kMaxLength()\n\nfunction typedArraySupport () {\n  try {\n    var arr = new Uint8Array(1)\n    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}\n    return arr.foo() === 42 && // typed array instances can be augmented\n        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`\n        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`\n  } catch (e) {\n    return false\n  }\n}\n\nfunction kMaxLength () {\n  return Buffer.TYPED_ARRAY_SUPPORT\n    ? 0x7fffffff\n    : 0x3fffffff\n}\n\nfunction createBuffer (that, length) {\n  if (kMaxLength() < length) {\n    throw new RangeError('Invalid typed array length')\n  }\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    that = new Uint8Array(length)\n    that.__proto__ = Buffer.prototype\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    if (that === null) {\n      that = new Buffer(length)\n    }\n    that.length = length\n  }\n\n  return that\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {\n    return new Buffer(arg, encodingOrOffset, length)\n  }\n\n  // Common case.\n  if (typeof arg === 'number') {\n    if (typeof encodingOrOffset === 'string') {\n      throw new Error(\n        'If encoding is specified then the first argument must be a string'\n      )\n    }\n    return allocUnsafe(this, arg)\n  }\n  return from(this, arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\n// TODO: Legacy, not needed anymore. Remove in next major version.\nBuffer._augment = function (arr) {\n  arr.__proto__ = Buffer.prototype\n  return arr\n}\n\nfunction from (that, value, encodingOrOffset, length) {\n  if (typeof value === 'number') {\n    throw new TypeError('\"value\" argument must not be a number')\n  }\n\n  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {\n    return fromArrayBuffer(that, value, encodingOrOffset, length)\n  }\n\n  if (typeof value === 'string') {\n    return fromString(that, value, encodingOrOffset)\n  }\n\n  return fromObject(that, value)\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n  return from(null, value, encodingOrOffset, length)\n}\n\nif (Buffer.TYPED_ARRAY_SUPPORT) {\n  Buffer.prototype.__proto__ = Uint8Array.prototype\n  Buffer.__proto__ = Uint8Array\n  if (typeof Symbol !== 'undefined' && Symbol.species &&\n      Buffer[Symbol.species] === Buffer) {\n    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97\n    Object.defineProperty(Buffer, Symbol.species, {\n      value: null,\n      configurable: true\n    })\n  }\n}\n\nfunction assertSize (size) {\n  if (typeof size !== 'number') {\n    throw new TypeError('\"size\" argument must be a number')\n  } else if (size < 0) {\n    throw new RangeError('\"size\" argument must not be negative')\n  }\n}\n\nfunction alloc (that, size, fill, encoding) {\n  assertSize(size)\n  if (size <= 0) {\n    return createBuffer(that, size)\n  }\n  if (fill !== undefined) {\n    // Only pay attention to encoding if it's a string. This\n    // prevents accidentally sending in a number that would\n    // be interpretted as a start offset.\n    return typeof encoding === 'string'\n      ? createBuffer(that, size).fill(fill, encoding)\n      : createBuffer(that, size).fill(fill)\n  }\n  return createBuffer(that, size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n  return alloc(null, size, fill, encoding)\n}\n\nfunction allocUnsafe (that, size) {\n  assertSize(size)\n  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) {\n    for (var i = 0; i < size; ++i) {\n      that[i] = 0\n    }\n  }\n  return that\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n  return allocUnsafe(null, size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n  return allocUnsafe(null, size)\n}\n\nfunction fromString (that, string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') {\n    encoding = 'utf8'\n  }\n\n  if (!Buffer.isEncoding(encoding)) {\n    throw new TypeError('\"encoding\" must be a valid string encoding')\n  }\n\n  var length = byteLength(string, encoding) | 0\n  that = createBuffer(that, length)\n\n  var actual = that.write(string, encoding)\n\n  if (actual !== length) {\n    // Writing a hex string, for example, that contains invalid characters will\n    // cause everything after the first invalid character to be ignored. (e.g.\n    // 'abxxcd' will be treated as 'ab')\n    that = that.slice(0, actual)\n  }\n\n  return that\n}\n\nfunction fromArrayLike (that, array) {\n  var length = array.length < 0 ? 0 : checked(array.length) | 0\n  that = createBuffer(that, length)\n  for (var i = 0; i < length; i += 1) {\n    that[i] = array[i] & 255\n  }\n  return that\n}\n\nfunction fromArrayBuffer (that, array, byteOffset, length) {\n  array.byteLength // this throws if `array` is not a valid ArrayBuffer\n\n  if (byteOffset < 0 || array.byteLength < byteOffset) {\n    throw new RangeError('\\'offset\\' is out of bounds')\n  }\n\n  if (array.byteLength < byteOffset + (length || 0)) {\n    throw new RangeError('\\'length\\' is out of bounds')\n  }\n\n  if (byteOffset === undefined && length === undefined) {\n    array = new Uint8Array(array)\n  } else if (length === undefined) {\n    array = new Uint8Array(array, byteOffset)\n  } else {\n    array = new Uint8Array(array, byteOffset, length)\n  }\n\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    // Return an augmented `Uint8Array` instance, for best performance\n    that = array\n    that.__proto__ = Buffer.prototype\n  } else {\n    // Fallback: Return an object instance of the Buffer class\n    that = fromArrayLike(that, array)\n  }\n  return that\n}\n\nfunction fromObject (that, obj) {\n  if (Buffer.isBuffer(obj)) {\n    var len = checked(obj.length) | 0\n    that = createBuffer(that, len)\n\n    if (that.length === 0) {\n      return that\n    }\n\n    obj.copy(that, 0, 0, len)\n    return that\n  }\n\n  if (obj) {\n    if ((typeof ArrayBuffer !== 'undefined' &&\n        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {\n      if (typeof obj.length !== 'number' || isnan(obj.length)) {\n        return createBuffer(that, 0)\n      }\n      return fromArrayLike(that, obj)\n    }\n\n    if (obj.type === 'Buffer' && isArray(obj.data)) {\n      return fromArrayLike(that, obj.data)\n    }\n  }\n\n  throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < kMaxLength()` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= kMaxLength()) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + kMaxLength().toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (length) {\n  if (+length != length) { // eslint-disable-line eqeqeq\n    length = 0\n  }\n  return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return !!(b != null && b._isBuffer)\n}\n\nBuffer.compare = function compare (a, b) {\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError('Arguments must be Buffers')\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n    if (a[i] !== b[i]) {\n      x = a[i]\n      y = b[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'latin1':\n    case 'binary':\n    case 'base64':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!isArray(list)) {\n    throw new TypeError('\"list\" argument must be an Array of Buffers')\n  }\n\n  if (list.length === 0) {\n    return Buffer.alloc(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; ++i) {\n      length += list[i].length\n    }\n  }\n\n  var buffer = Buffer.allocUnsafe(length)\n  var pos = 0\n  for (i = 0; i < list.length; ++i) {\n    var buf = list[i]\n    if (!Buffer.isBuffer(buf)) {\n      throw new TypeError('\"list\" argument must be an Array of Buffers')\n    }\n    buf.copy(buffer, pos)\n    pos += buf.length\n  }\n  return buffer\n}\n\nfunction byteLength (string, encoding) {\n  if (Buffer.isBuffer(string)) {\n    return string.length\n  }\n  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&\n      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {\n    return string.byteLength\n  }\n  if (typeof string !== 'string') {\n    string = '' + string\n  }\n\n  var len = string.length\n  if (len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return len\n      case 'utf8':\n      case 'utf-8':\n      case undefined:\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) return utf8ToBytes(string).length // assume utf8\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n  // property of a typed array.\n\n  // This behaves neither like String nor Uint8Array in that we set start/end\n  // to their upper/lower bounds if the value passed is out of range.\n  // undefined is handled specially as per ECMA-262 6th Edition,\n  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n  if (start === undefined || start < 0) {\n    start = 0\n  }\n  // Return early if start > this.length. Done here to prevent potential uint32\n  // coercion fail below.\n  if (start > this.length) {\n    return ''\n  }\n\n  if (end === undefined || end > this.length) {\n    end = this.length\n  }\n\n  if (end <= 0) {\n    return ''\n  }\n\n  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.\n  end >>>= 0\n  start >>>= 0\n\n  if (end <= start) {\n    return ''\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Slice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\n// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect\n// Buffer instances.\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n  var i = b[n]\n  b[n] = b[m]\n  b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n  var len = this.length\n  if (len % 2 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 16-bits')\n  }\n  for (var i = 0; i < len; i += 2) {\n    swap(this, i, i + 1)\n  }\n  return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n  var len = this.length\n  if (len % 4 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 32-bits')\n  }\n  for (var i = 0; i < len; i += 4) {\n    swap(this, i, i + 3)\n    swap(this, i + 1, i + 2)\n  }\n  return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n  var len = this.length\n  if (len % 8 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 64-bits')\n  }\n  for (var i = 0; i < len; i += 8) {\n    swap(this, i, i + 7)\n    swap(this, i + 1, i + 6)\n    swap(this, i + 2, i + 5)\n    swap(this, i + 3, i + 4)\n  }\n  return this\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length | 0\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  if (this.length > 0) {\n    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')\n    if (this.length > max) str += ' ... '\n  }\n  return '<Buffer ' + str + '>'\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n  if (!Buffer.isBuffer(target)) {\n    throw new TypeError('Argument must be a Buffer')\n  }\n\n  if (start === undefined) {\n    start = 0\n  }\n  if (end === undefined) {\n    end = target ? target.length : 0\n  }\n  if (thisStart === undefined) {\n    thisStart = 0\n  }\n  if (thisEnd === undefined) {\n    thisEnd = this.length\n  }\n\n  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n    throw new RangeError('out of range index')\n  }\n\n  if (thisStart >= thisEnd && start >= end) {\n    return 0\n  }\n  if (thisStart >= thisEnd) {\n    return -1\n  }\n  if (start >= end) {\n    return 1\n  }\n\n  start >>>= 0\n  end >>>= 0\n  thisStart >>>= 0\n  thisEnd >>>= 0\n\n  if (this === target) return 0\n\n  var x = thisEnd - thisStart\n  var y = end - start\n  var len = Math.min(x, y)\n\n  var thisCopy = this.slice(thisStart, thisEnd)\n  var targetCopy = target.slice(start, end)\n\n  for (var i = 0; i < len; ++i) {\n    if (thisCopy[i] !== targetCopy[i]) {\n      x = thisCopy[i]\n      y = targetCopy[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n  // Empty buffer means no match\n  if (buffer.length === 0) return -1\n\n  // Normalize byteOffset\n  if (typeof byteOffset === 'string') {\n    encoding = byteOffset\n    byteOffset = 0\n  } else if (byteOffset > 0x7fffffff) {\n    byteOffset = 0x7fffffff\n  } else if (byteOffset < -0x80000000) {\n    byteOffset = -0x80000000\n  }\n  byteOffset = +byteOffset  // Coerce to Number.\n  if (isNaN(byteOffset)) {\n    // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n    byteOffset = dir ? 0 : (buffer.length - 1)\n  }\n\n  // Normalize byteOffset: negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n  if (byteOffset >= buffer.length) {\n    if (dir) return -1\n    else byteOffset = buffer.length - 1\n  } else if (byteOffset < 0) {\n    if (dir) byteOffset = 0\n    else return -1\n  }\n\n  // Normalize val\n  if (typeof val === 'string') {\n    val = Buffer.from(val, encoding)\n  }\n\n  // Finally, search either indexOf (if dir is true) or lastIndexOf\n  if (Buffer.isBuffer(val)) {\n    // Special case: looking for empty string/buffer always fails\n    if (val.length === 0) {\n      return -1\n    }\n    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n  } else if (typeof val === 'number') {\n    val = val & 0xFF // Search for a byte value [0-255]\n    if (Buffer.TYPED_ARRAY_SUPPORT &&\n        typeof Uint8Array.prototype.indexOf === 'function') {\n      if (dir) {\n        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n      } else {\n        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n      }\n    }\n    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n  var indexSize = 1\n  var arrLength = arr.length\n  var valLength = val.length\n\n  if (encoding !== undefined) {\n    encoding = String(encoding).toLowerCase()\n    if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n        encoding === 'utf16le' || encoding === 'utf-16le') {\n      if (arr.length < 2 || val.length < 2) {\n        return -1\n      }\n      indexSize = 2\n      arrLength /= 2\n      valLength /= 2\n      byteOffset /= 2\n    }\n  }\n\n  function read (buf, i) {\n    if (indexSize === 1) {\n      return buf[i]\n    } else {\n      return buf.readUInt16BE(i * indexSize)\n    }\n  }\n\n  var i\n  if (dir) {\n    var foundIndex = -1\n    for (i = byteOffset; i < arrLength; i++) {\n      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n      } else {\n        if (foundIndex !== -1) i -= i - foundIndex\n        foundIndex = -1\n      }\n    }\n  } else {\n    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n    for (i = byteOffset; i >= 0; i--) {\n      var found = true\n      for (var j = 0; j < valLength; j++) {\n        if (read(arr, i + j) !== read(val, j)) {\n          found = false\n          break\n        }\n      }\n      if (found) return i\n    }\n  }\n\n  return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n  return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  // must be an even number of digits\n  var strLen = string.length\n  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; ++i) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (isNaN(parsed)) return i\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction latin1Write (buf, string, offset, length) {\n  return asciiWrite(buf, string, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset | 0\n    if (isFinite(length)) {\n      length = length | 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  // legacy write(string, encoding, offset, length) - remove in v0.13\n  } else {\n    throw new Error(\n      'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n    )\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('Attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n        return asciiWrite(this, string, offset, length)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Write(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF) ? 4\n      : (firstByte > 0xDF) ? 3\n      : (firstByte > 0xBF) ? 2\n      : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; ++i) {\n    out += toHex(buf[i])\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  for (var i = 0; i < bytes.length; i += 2) {\n    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    newBuf = this.subarray(start, end)\n    newBuf.__proto__ = Buffer.prototype\n  } else {\n    var sliceLen = end - start\n    newBuf = new Buffer(sliceLen, undefined)\n    for (var i = 0; i < sliceLen; ++i) {\n      newBuf[i] = this[i + start]\n    }\n  }\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  byteLength = byteLength | 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nfunction objectWriteUInt16 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {\n    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>\n      (littleEndian ? i : 1 - i) * 8\n  }\n}\n\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nfunction objectWriteUInt32 (buf, value, offset, littleEndian) {\n  if (value < 0) value = 0xffffffff + value + 1\n  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {\n    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff\n  }\n}\n\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset + 3] = (value >>> 24)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 1] = (value >>> 8)\n    this[offset] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) {\n    var limit = Math.pow(2, 8 * byteLength - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n  } else {\n    objectWriteUInt16(this, value, offset, true)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 8)\n    this[offset + 1] = (value & 0xff)\n  } else {\n    objectWriteUInt16(this, value, offset, false)\n  }\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value & 0xff)\n    this[offset + 1] = (value >>> 8)\n    this[offset + 2] = (value >>> 16)\n    this[offset + 3] = (value >>> 24)\n  } else {\n    objectWriteUInt32(this, value, offset, true)\n  }\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset | 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  if (Buffer.TYPED_ARRAY_SUPPORT) {\n    this[offset] = (value >>> 24)\n    this[offset + 1] = (value >>> 16)\n    this[offset + 2] = (value >>> 8)\n    this[offset + 3] = (value & 0xff)\n  } else {\n    objectWriteUInt32(this, value, offset, false)\n  }\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n  if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n  var i\n\n  if (this === target && start < targetStart && targetStart < end) {\n    // descending copy from end\n    for (i = len - 1; i >= 0; --i) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {\n    // ascending copy from start\n    for (i = 0; i < len; ++i) {\n      target[i + targetStart] = this[i + start]\n    }\n  } else {\n    Uint8Array.prototype.set.call(\n      target,\n      this.subarray(start, start + len),\n      targetStart\n    )\n  }\n\n  return len\n}\n\n// Usage:\n//    buffer.fill(number[, offset[, end]])\n//    buffer.fill(buffer[, offset[, end]])\n//    buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n  // Handle string cases:\n  if (typeof val === 'string') {\n    if (typeof start === 'string') {\n      encoding = start\n      start = 0\n      end = this.length\n    } else if (typeof end === 'string') {\n      encoding = end\n      end = this.length\n    }\n    if (val.length === 1) {\n      var code = val.charCodeAt(0)\n      if (code < 256) {\n        val = code\n      }\n    }\n    if (encoding !== undefined && typeof encoding !== 'string') {\n      throw new TypeError('encoding must be a string')\n    }\n    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n      throw new TypeError('Unknown encoding: ' + encoding)\n    }\n  } else if (typeof val === 'number') {\n    val = val & 255\n  }\n\n  // Invalid ranges are not set to a default, so can range check early.\n  if (start < 0 || this.length < start || this.length < end) {\n    throw new RangeError('Out of range index')\n  }\n\n  if (end <= start) {\n    return this\n  }\n\n  start = start >>> 0\n  end = end === undefined ? this.length : end >>> 0\n\n  if (!val) val = 0\n\n  var i\n  if (typeof val === 'number') {\n    for (i = start; i < end; ++i) {\n      this[i] = val\n    }\n  } else {\n    var bytes = Buffer.isBuffer(val)\n      ? val\n      : utf8ToBytes(new Buffer(val, encoding).toString())\n    var len = bytes.length\n    for (i = 0; i < end - start; ++i) {\n      this[i + start] = bytes[i % len]\n    }\n  }\n\n  return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+\\/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n  // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n  str = stringtrim(str).replace(INVALID_BASE64_RE, '')\n  // Node converts strings with length < 2 to ''\n  if (str.length < 2) return ''\n  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n  while (str.length % 4 !== 0) {\n    str = str + '='\n  }\n  return str\n}\n\nfunction stringtrim (str) {\n  if (str.trim) return str.trim()\n  return str.replace(/^\\s+|\\s+$/g, '')\n}\n\nfunction toHex (n) {\n  if (n < 16) return '0' + n.toString(16)\n  return n.toString(16)\n}\n\nfunction utf8ToBytes (string, units) {\n  units = units || Infinity\n  var codePoint\n  var length = string.length\n  var leadSurrogate = null\n  var bytes = []\n\n  for (var i = 0; i < length; ++i) {\n    codePoint = string.charCodeAt(i)\n\n    // is surrogate component\n    if (codePoint > 0xD7FF && codePoint < 0xE000) {\n      // last char was a lead\n      if (!leadSurrogate) {\n        // no lead yet\n        if (codePoint > 0xDBFF) {\n          // unexpected trail\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        } else if (i + 1 === length) {\n          // unpaired lead\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        }\n\n        // valid lead\n        leadSurrogate = codePoint\n\n        continue\n      }\n\n      // 2 leads in a row\n      if (codePoint < 0xDC00) {\n        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n        leadSurrogate = codePoint\n        continue\n      }\n\n      // valid surrogate pair\n      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n    } else if (leadSurrogate) {\n      // valid bmp char, but last char was a lead\n      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n    }\n\n    leadSurrogate = null\n\n    // encode utf8\n    if (codePoint < 0x80) {\n      if ((units -= 1) < 0) break\n      bytes.push(codePoint)\n    } else if (codePoint < 0x800) {\n      if ((units -= 2) < 0) break\n      bytes.push(\n        codePoint >> 0x6 | 0xC0,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x10000) {\n      if ((units -= 3) < 0) break\n      bytes.push(\n        codePoint >> 0xC | 0xE0,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x110000) {\n      if ((units -= 4) < 0) break\n      bytes.push(\n        codePoint >> 0x12 | 0xF0,\n        codePoint >> 0xC & 0x3F | 0x80,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else {\n      throw new Error('Invalid code point')\n    }\n  }\n\n  return bytes\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    if ((units -= 2) < 0) break\n\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  for (var i = 0; i < length; ++i) {\n    if ((i + offset >= dst.length) || (i >= src.length)) break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n\nfunction isnan (val) {\n  return val !== val // eslint-disable-line no-self-compare\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/buffer/index.js\n// module id = 10\n// module chunks = 0","'use strict'\n\nexports.byteLength = byteLength\nexports.toByteArray = toByteArray\nexports.fromByteArray = fromByteArray\n\nvar lookup = []\nvar revLookup = []\nvar Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array\n\nvar code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\nfor (var i = 0, len = code.length; i < len; ++i) {\n  lookup[i] = code[i]\n  revLookup[code.charCodeAt(i)] = i\n}\n\nrevLookup['-'.charCodeAt(0)] = 62\nrevLookup['_'.charCodeAt(0)] = 63\n\nfunction placeHoldersCount (b64) {\n  var len = b64.length\n  if (len % 4 > 0) {\n    throw new Error('Invalid string. Length must be a multiple of 4')\n  }\n\n  // the number of equal signs (place holders)\n  // if there are two placeholders, than the two characters before it\n  // represent one byte\n  // if there is only one, then the three characters before it represent 2 bytes\n  // this is just a cheap hack to not do indexOf twice\n  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0\n}\n\nfunction byteLength (b64) {\n  // base64 is 4/3 + up to two characters of the original data\n  return b64.length * 3 / 4 - placeHoldersCount(b64)\n}\n\nfunction toByteArray (b64) {\n  var i, j, l, tmp, placeHolders, arr\n  var len = b64.length\n  placeHolders = placeHoldersCount(b64)\n\n  arr = new Arr(len * 3 / 4 - placeHolders)\n\n  // if there are placeholders, only get up to the last complete 4 chars\n  l = placeHolders > 0 ? len - 4 : len\n\n  var L = 0\n\n  for (i = 0, j = 0; i < l; i += 4, j += 3) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]\n    arr[L++] = (tmp >> 16) & 0xFF\n    arr[L++] = (tmp >> 8) & 0xFF\n    arr[L++] = tmp & 0xFF\n  }\n\n  if (placeHolders === 2) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)\n    arr[L++] = tmp & 0xFF\n  } else if (placeHolders === 1) {\n    tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)\n    arr[L++] = (tmp >> 8) & 0xFF\n    arr[L++] = tmp & 0xFF\n  }\n\n  return arr\n}\n\nfunction tripletToBase64 (num) {\n  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]\n}\n\nfunction encodeChunk (uint8, start, end) {\n  var tmp\n  var output = []\n  for (var i = start; i < end; i += 3) {\n    tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])\n    output.push(tripletToBase64(tmp))\n  }\n  return output.join('')\n}\n\nfunction fromByteArray (uint8) {\n  var tmp\n  var len = uint8.length\n  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes\n  var output = ''\n  var parts = []\n  var maxChunkLength = 16383 // must be multiple of 3\n\n  // go through the array every three bytes, we'll deal with trailing stuff later\n  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {\n    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))\n  }\n\n  // pad the end with zeros, but make sure to not forget the extra bytes\n  if (extraBytes === 1) {\n    tmp = uint8[len - 1]\n    output += lookup[tmp >> 2]\n    output += lookup[(tmp << 4) & 0x3F]\n    output += '=='\n  } else if (extraBytes === 2) {\n    tmp = (uint8[len - 2] << 8) + (uint8[len - 1])\n    output += lookup[tmp >> 10]\n    output += lookup[(tmp >> 4) & 0x3F]\n    output += lookup[(tmp << 2) & 0x3F]\n    output += '='\n  }\n\n  parts.push(output)\n\n  return parts.join('')\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/base64-js/index.js\n// module id = 11\n// module chunks = 0","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = (value * c - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/ieee754/index.js\n// module id = 12\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = Array.isArray || function (arr) {\n  return toString.call(arr) == '[object Array]';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/isarray/index.js\n// module id = 13\n// module chunks = 0","'use strict';\n\nmodule.exports = function bind(fn, thisArg) {\n  return function wrap() {\n    var args = new Array(arguments.length);\n    for (var i = 0; i < args.length; i++) {\n      args[i] = arguments[i];\n    }\n    return fn.apply(thisArg, args);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/bind.js\n// module id = 14\n// module chunks = 0","'use strict';\n\nvar defaults = require('./../defaults');\nvar utils = require('./../utils');\nvar InterceptorManager = require('./InterceptorManager');\nvar dispatchRequest = require('./dispatchRequest');\nvar isAbsoluteURL = require('./../helpers/isAbsoluteURL');\nvar combineURLs = require('./../helpers/combineURLs');\n\n/**\n * Create a new instance of Axios\n *\n * @param {Object} instanceConfig The default config for the instance\n */\nfunction Axios(instanceConfig) {\n  this.defaults = instanceConfig;\n  this.interceptors = {\n    request: new InterceptorManager(),\n    response: new InterceptorManager()\n  };\n}\n\n/**\n * Dispatch a request\n *\n * @param {Object} config The config specific for this request (merged with this.defaults)\n */\nAxios.prototype.request = function request(config) {\n  /*eslint no-param-reassign:0*/\n  // Allow for axios('example/url'[, config]) a la fetch API\n  if (typeof config === 'string') {\n    config = utils.merge({\n      url: arguments[0]\n    }, arguments[1]);\n  }\n\n  config = utils.merge(defaults, this.defaults, { method: 'get' }, config);\n\n  // Support baseURL config\n  if (config.baseURL && !isAbsoluteURL(config.url)) {\n    config.url = combineURLs(config.baseURL, config.url);\n  }\n\n  // Hook up interceptors middleware\n  var chain = [dispatchRequest, undefined];\n  var promise = Promise.resolve(config);\n\n  this.interceptors.request.forEach(function unshiftRequestInterceptors(interceptor) {\n    chain.unshift(interceptor.fulfilled, interceptor.rejected);\n  });\n\n  this.interceptors.response.forEach(function pushResponseInterceptors(interceptor) {\n    chain.push(interceptor.fulfilled, interceptor.rejected);\n  });\n\n  while (chain.length) {\n    promise = promise.then(chain.shift(), chain.shift());\n  }\n\n  return promise;\n};\n\n// Provide aliases for supported request methods\nutils.forEach(['delete', 'get', 'head', 'options'], function forEachMethodNoData(method) {\n  /*eslint func-names:0*/\n  Axios.prototype[method] = function(url, config) {\n    return this.request(utils.merge(config || {}, {\n      method: method,\n      url: url\n    }));\n  };\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n  /*eslint func-names:0*/\n  Axios.prototype[method] = function(url, data, config) {\n    return this.request(utils.merge(config || {}, {\n      method: method,\n      url: url,\n      data: data\n    }));\n  };\n});\n\nmodule.exports = Axios;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/Axios.js\n// module id = 15\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar normalizeHeaderName = require('./helpers/normalizeHeaderName');\n\nvar DEFAULT_CONTENT_TYPE = {\n  'Content-Type': 'application/x-www-form-urlencoded'\n};\n\nfunction setContentTypeIfUnset(headers, value) {\n  if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {\n    headers['Content-Type'] = value;\n  }\n}\n\nfunction getDefaultAdapter() {\n  var adapter;\n  if (typeof XMLHttpRequest !== 'undefined') {\n    // For browsers use XHR adapter\n    adapter = require('./adapters/xhr');\n  } else if (typeof process !== 'undefined') {\n    // For node use HTTP adapter\n    adapter = require('./adapters/http');\n  }\n  return adapter;\n}\n\nvar defaults = {\n  adapter: getDefaultAdapter(),\n\n  transformRequest: [function transformRequest(data, headers) {\n    normalizeHeaderName(headers, 'Content-Type');\n    if (utils.isFormData(data) ||\n      utils.isArrayBuffer(data) ||\n      utils.isBuffer(data) ||\n      utils.isStream(data) ||\n      utils.isFile(data) ||\n      utils.isBlob(data)\n    ) {\n      return data;\n    }\n    if (utils.isArrayBufferView(data)) {\n      return data.buffer;\n    }\n    if (utils.isURLSearchParams(data)) {\n      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');\n      return data.toString();\n    }\n    if (utils.isObject(data)) {\n      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');\n      return JSON.stringify(data);\n    }\n    return data;\n  }],\n\n  transformResponse: [function transformResponse(data) {\n    /*eslint no-param-reassign:0*/\n    if (typeof data === 'string') {\n      try {\n        data = JSON.parse(data);\n      } catch (e) { /* Ignore */ }\n    }\n    return data;\n  }],\n\n  timeout: 0,\n\n  xsrfCookieName: 'XSRF-TOKEN',\n  xsrfHeaderName: 'X-XSRF-TOKEN',\n\n  maxContentLength: -1,\n\n  validateStatus: function validateStatus(status) {\n    return status >= 200 && status < 300;\n  }\n};\n\ndefaults.headers = {\n  common: {\n    'Accept': 'application/json, text/plain, */*'\n  }\n};\n\nutils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {\n  defaults.headers[method] = {};\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n  defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);\n});\n\nmodule.exports = defaults;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/defaults.js\n// module id = 16\n// module chunks = 0","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things.  But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals.  It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n    throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n    throw new Error('clearTimeout has not been defined');\n}\n(function () {\n    try {\n        if (typeof setTimeout === 'function') {\n            cachedSetTimeout = setTimeout;\n        } else {\n            cachedSetTimeout = defaultSetTimout;\n        }\n    } catch (e) {\n        cachedSetTimeout = defaultSetTimout;\n    }\n    try {\n        if (typeof clearTimeout === 'function') {\n            cachedClearTimeout = clearTimeout;\n        } else {\n            cachedClearTimeout = defaultClearTimeout;\n        }\n    } catch (e) {\n        cachedClearTimeout = defaultClearTimeout;\n    }\n} ())\nfunction runTimeout(fun) {\n    if (cachedSetTimeout === setTimeout) {\n        //normal enviroments in sane situations\n        return setTimeout(fun, 0);\n    }\n    // if setTimeout wasn't available but was latter defined\n    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n        cachedSetTimeout = setTimeout;\n        return setTimeout(fun, 0);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedSetTimeout(fun, 0);\n    } catch(e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n            return cachedSetTimeout.call(null, fun, 0);\n        } catch(e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n            return cachedSetTimeout.call(this, fun, 0);\n        }\n    }\n\n\n}\nfunction runClearTimeout(marker) {\n    if (cachedClearTimeout === clearTimeout) {\n        //normal enviroments in sane situations\n        return clearTimeout(marker);\n    }\n    // if clearTimeout wasn't available but was latter defined\n    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n        cachedClearTimeout = clearTimeout;\n        return clearTimeout(marker);\n    }\n    try {\n        // when when somebody has screwed with setTimeout but no I.E. maddness\n        return cachedClearTimeout(marker);\n    } catch (e){\n        try {\n            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally\n            return cachedClearTimeout.call(null, marker);\n        } catch (e){\n            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n            // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n            return cachedClearTimeout.call(this, marker);\n        }\n    }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n    if (!draining || !currentQueue) {\n        return;\n    }\n    draining = false;\n    if (currentQueue.length) {\n        queue = currentQueue.concat(queue);\n    } else {\n        queueIndex = -1;\n    }\n    if (queue.length) {\n        drainQueue();\n    }\n}\n\nfunction drainQueue() {\n    if (draining) {\n        return;\n    }\n    var timeout = runTimeout(cleanUpNextTick);\n    draining = true;\n\n    var len = queue.length;\n    while(len) {\n        currentQueue = queue;\n        queue = [];\n        while (++queueIndex < len) {\n            if (currentQueue) {\n                currentQueue[queueIndex].run();\n            }\n        }\n        queueIndex = -1;\n        len = queue.length;\n    }\n    currentQueue = null;\n    draining = false;\n    runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n    var args = new Array(arguments.length - 1);\n    if (arguments.length > 1) {\n        for (var i = 1; i < arguments.length; i++) {\n            args[i - 1] = arguments[i];\n        }\n    }\n    queue.push(new Item(fun, args));\n    if (queue.length === 1 && !draining) {\n        runTimeout(drainQueue);\n    }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n    this.fun = fun;\n    this.array = array;\n}\nItem.prototype.run = function () {\n    this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/process/browser.js\n// module id = 17\n// module chunks = 0","'use strict';\n\nvar utils = require('../utils');\n\nmodule.exports = function normalizeHeaderName(headers, normalizedName) {\n  utils.forEach(headers, function processHeader(value, name) {\n    if (name !== normalizedName && name.toUpperCase() === normalizedName.toUpperCase()) {\n      headers[normalizedName] = value;\n      delete headers[name];\n    }\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/normalizeHeaderName.js\n// module id = 18\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\nvar settle = require('./../core/settle');\nvar buildURL = require('./../helpers/buildURL');\nvar parseHeaders = require('./../helpers/parseHeaders');\nvar isURLSameOrigin = require('./../helpers/isURLSameOrigin');\nvar createError = require('../core/createError');\nvar btoa = (typeof window !== 'undefined' && window.btoa && window.btoa.bind(window)) || require('./../helpers/btoa');\n\nmodule.exports = function xhrAdapter(config) {\n  return new Promise(function dispatchXhrRequest(resolve, reject) {\n    var requestData = config.data;\n    var requestHeaders = config.headers;\n\n    if (utils.isFormData(requestData)) {\n      delete requestHeaders['Content-Type']; // Let the browser set it\n    }\n\n    var request = new XMLHttpRequest();\n    var loadEvent = 'onreadystatechange';\n    var xDomain = false;\n\n    // For IE 8/9 CORS support\n    // Only supports POST and GET calls and doesn't returns the response headers.\n    // DON'T do this for testing b/c XMLHttpRequest is mocked, not XDomainRequest.\n    if (process.env.NODE_ENV !== 'test' &&\n        typeof window !== 'undefined' &&\n        window.XDomainRequest && !('withCredentials' in request) &&\n        !isURLSameOrigin(config.url)) {\n      request = new window.XDomainRequest();\n      loadEvent = 'onload';\n      xDomain = true;\n      request.onprogress = function handleProgress() {};\n      request.ontimeout = function handleTimeout() {};\n    }\n\n    // HTTP basic authentication\n    if (config.auth) {\n      var username = config.auth.username || '';\n      var password = config.auth.password || '';\n      requestHeaders.Authorization = 'Basic ' + btoa(username + ':' + password);\n    }\n\n    request.open(config.method.toUpperCase(), buildURL(config.url, config.params, config.paramsSerializer), true);\n\n    // Set the request timeout in MS\n    request.timeout = config.timeout;\n\n    // Listen for ready state\n    request[loadEvent] = function handleLoad() {\n      if (!request || (request.readyState !== 4 && !xDomain)) {\n        return;\n      }\n\n      // The request errored out and we didn't get a response, this will be\n      // handled by onerror instead\n      // With one exception: request that using file: protocol, most browsers\n      // will return status as 0 even though it's a successful request\n      if (request.status === 0 && !(request.responseURL && request.responseURL.indexOf('file:') === 0)) {\n        return;\n      }\n\n      // Prepare the response\n      var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;\n      var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;\n      var response = {\n        data: responseData,\n        // IE sends 1223 instead of 204 (https://github.com/mzabriskie/axios/issues/201)\n        status: request.status === 1223 ? 204 : request.status,\n        statusText: request.status === 1223 ? 'No Content' : request.statusText,\n        headers: responseHeaders,\n        config: config,\n        request: request\n      };\n\n      settle(resolve, reject, response);\n\n      // Clean up request\n      request = null;\n    };\n\n    // Handle low level network errors\n    request.onerror = function handleError() {\n      // Real errors are hidden from us by the browser\n      // onerror should only fire if it's a network error\n      reject(createError('Network Error', config));\n\n      // Clean up request\n      request = null;\n    };\n\n    // Handle timeout\n    request.ontimeout = function handleTimeout() {\n      reject(createError('timeout of ' + config.timeout + 'ms exceeded', config, 'ECONNABORTED'));\n\n      // Clean up request\n      request = null;\n    };\n\n    // Add xsrf header\n    // This is only done if running in a standard browser environment.\n    // Specifically not if we're in a web worker, or react-native.\n    if (utils.isStandardBrowserEnv()) {\n      var cookies = require('./../helpers/cookies');\n\n      // Add xsrf header\n      var xsrfValue = (config.withCredentials || isURLSameOrigin(config.url)) && config.xsrfCookieName ?\n          cookies.read(config.xsrfCookieName) :\n          undefined;\n\n      if (xsrfValue) {\n        requestHeaders[config.xsrfHeaderName] = xsrfValue;\n      }\n    }\n\n    // Add headers to the request\n    if ('setRequestHeader' in request) {\n      utils.forEach(requestHeaders, function setRequestHeader(val, key) {\n        if (typeof requestData === 'undefined' && key.toLowerCase() === 'content-type') {\n          // Remove Content-Type if data is undefined\n          delete requestHeaders[key];\n        } else {\n          // Otherwise add header to the request\n          request.setRequestHeader(key, val);\n        }\n      });\n    }\n\n    // Add withCredentials to request if needed\n    if (config.withCredentials) {\n      request.withCredentials = true;\n    }\n\n    // Add responseType to request if needed\n    if (config.responseType) {\n      try {\n        request.responseType = config.responseType;\n      } catch (e) {\n        // Expected DOMException thrown by browsers not compatible XMLHttpRequest Level 2.\n        // But, this can be suppressed for 'json' type as it can be parsed by default 'transformResponse' function.\n        if (config.responseType !== 'json') {\n          throw e;\n        }\n      }\n    }\n\n    // Handle progress if needed\n    if (typeof config.onDownloadProgress === 'function') {\n      request.addEventListener('progress', config.onDownloadProgress);\n    }\n\n    // Not all browsers support upload events\n    if (typeof config.onUploadProgress === 'function' && request.upload) {\n      request.upload.addEventListener('progress', config.onUploadProgress);\n    }\n\n    if (config.cancelToken) {\n      // Handle cancellation\n      config.cancelToken.promise.then(function onCanceled(cancel) {\n        if (!request) {\n          return;\n        }\n\n        request.abort();\n        reject(cancel);\n        // Clean up request\n        request = null;\n      });\n    }\n\n    if (requestData === undefined) {\n      requestData = null;\n    }\n\n    // Send the request\n    request.send(requestData);\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/adapters/xhr.js\n// module id = 19\n// module chunks = 0","'use strict';\n\nvar createError = require('./createError');\n\n/**\n * Resolve or reject a Promise based on response status.\n *\n * @param {Function} resolve A function that resolves the promise.\n * @param {Function} reject A function that rejects the promise.\n * @param {object} response The response.\n */\nmodule.exports = function settle(resolve, reject, response) {\n  var validateStatus = response.config.validateStatus;\n  // Note: status is not exposed by XDomainRequest\n  if (!response.status || !validateStatus || validateStatus(response.status)) {\n    resolve(response);\n  } else {\n    reject(createError(\n      'Request failed with status code ' + response.status,\n      response.config,\n      null,\n      response\n    ));\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/settle.js\n// module id = 20\n// module chunks = 0","'use strict';\n\nvar enhanceError = require('./enhanceError');\n\n/**\n * Create an Error with the specified message, config, error code, and response.\n *\n * @param {string} message The error message.\n * @param {Object} config The config.\n * @param {string} [code] The error code (for example, 'ECONNABORTED').\n @ @param {Object} [response] The response.\n * @returns {Error} The created error.\n */\nmodule.exports = function createError(message, config, code, response) {\n  var error = new Error(message);\n  return enhanceError(error, config, code, response);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/createError.js\n// module id = 21\n// module chunks = 0","'use strict';\n\n/**\n * Update an Error with the specified config, error code, and response.\n *\n * @param {Error} error The error to update.\n * @param {Object} config The config.\n * @param {string} [code] The error code (for example, 'ECONNABORTED').\n @ @param {Object} [response] The response.\n * @returns {Error} The error.\n */\nmodule.exports = function enhanceError(error, config, code, response) {\n  error.config = config;\n  if (code) {\n    error.code = code;\n  }\n  error.response = response;\n  return error;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/enhanceError.js\n// module id = 22\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nfunction encode(val) {\n  return encodeURIComponent(val).\n    replace(/%40/gi, '@').\n    replace(/%3A/gi, ':').\n    replace(/%24/g, '$').\n    replace(/%2C/gi, ',').\n    replace(/%20/g, '+').\n    replace(/%5B/gi, '[').\n    replace(/%5D/gi, ']');\n}\n\n/**\n * Build a URL by appending params to the end\n *\n * @param {string} url The base of the url (e.g., http://www.google.com)\n * @param {object} [params] The params to be appended\n * @returns {string} The formatted url\n */\nmodule.exports = function buildURL(url, params, paramsSerializer) {\n  /*eslint no-param-reassign:0*/\n  if (!params) {\n    return url;\n  }\n\n  var serializedParams;\n  if (paramsSerializer) {\n    serializedParams = paramsSerializer(params);\n  } else if (utils.isURLSearchParams(params)) {\n    serializedParams = params.toString();\n  } else {\n    var parts = [];\n\n    utils.forEach(params, function serialize(val, key) {\n      if (val === null || typeof val === 'undefined') {\n        return;\n      }\n\n      if (utils.isArray(val)) {\n        key = key + '[]';\n      }\n\n      if (!utils.isArray(val)) {\n        val = [val];\n      }\n\n      utils.forEach(val, function parseValue(v) {\n        if (utils.isDate(v)) {\n          v = v.toISOString();\n        } else if (utils.isObject(v)) {\n          v = JSON.stringify(v);\n        }\n        parts.push(encode(key) + '=' + encode(v));\n      });\n    });\n\n    serializedParams = parts.join('&');\n  }\n\n  if (serializedParams) {\n    url += (url.indexOf('?') === -1 ? '?' : '&') + serializedParams;\n  }\n\n  return url;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/buildURL.js\n// module id = 23\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\n/**\n * Parse headers into an object\n *\n * ```\n * Date: Wed, 27 Aug 2014 08:58:49 GMT\n * Content-Type: application/json\n * Connection: keep-alive\n * Transfer-Encoding: chunked\n * ```\n *\n * @param {String} headers Headers needing to be parsed\n * @returns {Object} Headers parsed into an object\n */\nmodule.exports = function parseHeaders(headers) {\n  var parsed = {};\n  var key;\n  var val;\n  var i;\n\n  if (!headers) { return parsed; }\n\n  utils.forEach(headers.split('\\n'), function parser(line) {\n    i = line.indexOf(':');\n    key = utils.trim(line.substr(0, i)).toLowerCase();\n    val = utils.trim(line.substr(i + 1));\n\n    if (key) {\n      parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;\n    }\n  });\n\n  return parsed;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/parseHeaders.js\n// module id = 24\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nmodule.exports = (\n  utils.isStandardBrowserEnv() ?\n\n  // Standard browser envs have full support of the APIs needed to test\n  // whether the request URL is of the same origin as current location.\n  (function standardBrowserEnv() {\n    var msie = /(msie|trident)/i.test(navigator.userAgent);\n    var urlParsingNode = document.createElement('a');\n    var originURL;\n\n    /**\n    * Parse a URL to discover it's components\n    *\n    * @param {String} url The URL to be parsed\n    * @returns {Object}\n    */\n    function resolveURL(url) {\n      var href = url;\n\n      if (msie) {\n        // IE needs attribute set twice to normalize properties\n        urlParsingNode.setAttribute('href', href);\n        href = urlParsingNode.href;\n      }\n\n      urlParsingNode.setAttribute('href', href);\n\n      // urlParsingNode provides the UrlUtils interface - http://url.spec.whatwg.org/#urlutils\n      return {\n        href: urlParsingNode.href,\n        protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',\n        host: urlParsingNode.host,\n        search: urlParsingNode.search ? urlParsingNode.search.replace(/^\\?/, '') : '',\n        hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',\n        hostname: urlParsingNode.hostname,\n        port: urlParsingNode.port,\n        pathname: (urlParsingNode.pathname.charAt(0) === '/') ?\n                  urlParsingNode.pathname :\n                  '/' + urlParsingNode.pathname\n      };\n    }\n\n    originURL = resolveURL(window.location.href);\n\n    /**\n    * Determine if a URL shares the same origin as the current location\n    *\n    * @param {String} requestURL The URL to test\n    * @returns {boolean} True if URL shares the same origin, otherwise false\n    */\n    return function isURLSameOrigin(requestURL) {\n      var parsed = (utils.isString(requestURL)) ? resolveURL(requestURL) : requestURL;\n      return (parsed.protocol === originURL.protocol &&\n            parsed.host === originURL.host);\n    };\n  })() :\n\n  // Non standard browser envs (web workers, react-native) lack needed support.\n  (function nonStandardBrowserEnv() {\n    return function isURLSameOrigin() {\n      return true;\n    };\n  })()\n);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/isURLSameOrigin.js\n// module id = 25\n// module chunks = 0","'use strict';\n\n// btoa polyfill for IE<10 courtesy https://github.com/davidchambers/Base64.js\n\nvar chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';\n\nfunction E() {\n  this.message = 'String contains an invalid character';\n}\nE.prototype = new Error;\nE.prototype.code = 5;\nE.prototype.name = 'InvalidCharacterError';\n\nfunction btoa(input) {\n  var str = String(input);\n  var output = '';\n  for (\n    // initialize result and counter\n    var block, charCode, idx = 0, map = chars;\n    // if the next str index does not exist:\n    //   change the mapping table to \"=\"\n    //   check if d has no fractional digits\n    str.charAt(idx | 0) || (map = '=', idx % 1);\n    // \"8 - idx % 1 * 8\" generates the sequence 2, 4, 6, 8\n    output += map.charAt(63 & block >> 8 - idx % 1 * 8)\n  ) {\n    charCode = str.charCodeAt(idx += 3 / 4);\n    if (charCode > 0xFF) {\n      throw new E();\n    }\n    block = block << 8 | charCode;\n  }\n  return output;\n}\n\nmodule.exports = btoa;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/btoa.js\n// module id = 26\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nmodule.exports = (\n  utils.isStandardBrowserEnv() ?\n\n  // Standard browser envs support document.cookie\n  (function standardBrowserEnv() {\n    return {\n      write: function write(name, value, expires, path, domain, secure) {\n        var cookie = [];\n        cookie.push(name + '=' + encodeURIComponent(value));\n\n        if (utils.isNumber(expires)) {\n          cookie.push('expires=' + new Date(expires).toGMTString());\n        }\n\n        if (utils.isString(path)) {\n          cookie.push('path=' + path);\n        }\n\n        if (utils.isString(domain)) {\n          cookie.push('domain=' + domain);\n        }\n\n        if (secure === true) {\n          cookie.push('secure');\n        }\n\n        document.cookie = cookie.join('; ');\n      },\n\n      read: function read(name) {\n        var match = document.cookie.match(new RegExp('(^|;\\\\s*)(' + name + ')=([^;]*)'));\n        return (match ? decodeURIComponent(match[3]) : null);\n      },\n\n      remove: function remove(name) {\n        this.write(name, '', Date.now() - 86400000);\n      }\n    };\n  })() :\n\n  // Non standard browser env (web workers, react-native) lack needed support.\n  (function nonStandardBrowserEnv() {\n    return {\n      write: function write() {},\n      read: function read() { return null; },\n      remove: function remove() {}\n    };\n  })()\n);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/cookies.js\n// module id = 27\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\nfunction InterceptorManager() {\n  this.handlers = [];\n}\n\n/**\n * Add a new interceptor to the stack\n *\n * @param {Function} fulfilled The function to handle `then` for a `Promise`\n * @param {Function} rejected The function to handle `reject` for a `Promise`\n *\n * @return {Number} An ID used to remove interceptor later\n */\nInterceptorManager.prototype.use = function use(fulfilled, rejected) {\n  this.handlers.push({\n    fulfilled: fulfilled,\n    rejected: rejected\n  });\n  return this.handlers.length - 1;\n};\n\n/**\n * Remove an interceptor from the stack\n *\n * @param {Number} id The ID that was returned by `use`\n */\nInterceptorManager.prototype.eject = function eject(id) {\n  if (this.handlers[id]) {\n    this.handlers[id] = null;\n  }\n};\n\n/**\n * Iterate over all the registered interceptors\n *\n * This method is particularly useful for skipping over any\n * interceptors that may have become `null` calling `eject`.\n *\n * @param {Function} fn The function to call for each interceptor\n */\nInterceptorManager.prototype.forEach = function forEach(fn) {\n  utils.forEach(this.handlers, function forEachHandler(h) {\n    if (h !== null) {\n      fn(h);\n    }\n  });\n};\n\nmodule.exports = InterceptorManager;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/InterceptorManager.js\n// module id = 28\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\nvar transformData = require('./transformData');\nvar isCancel = require('../cancel/isCancel');\nvar defaults = require('../defaults');\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nfunction throwIfCancellationRequested(config) {\n  if (config.cancelToken) {\n    config.cancelToken.throwIfRequested();\n  }\n}\n\n/**\n * Dispatch a request to the server using the configured adapter.\n *\n * @param {object} config The config that is to be used for the request\n * @returns {Promise} The Promise to be fulfilled\n */\nmodule.exports = function dispatchRequest(config) {\n  throwIfCancellationRequested(config);\n\n  // Ensure headers exist\n  config.headers = config.headers || {};\n\n  // Transform request data\n  config.data = transformData(\n    config.data,\n    config.headers,\n    config.transformRequest\n  );\n\n  // Flatten headers\n  config.headers = utils.merge(\n    config.headers.common || {},\n    config.headers[config.method] || {},\n    config.headers || {}\n  );\n\n  utils.forEach(\n    ['delete', 'get', 'head', 'post', 'put', 'patch', 'common'],\n    function cleanHeaderConfig(method) {\n      delete config.headers[method];\n    }\n  );\n\n  var adapter = config.adapter || defaults.adapter;\n\n  return adapter(config).then(function onAdapterResolution(response) {\n    throwIfCancellationRequested(config);\n\n    // Transform response data\n    response.data = transformData(\n      response.data,\n      response.headers,\n      config.transformResponse\n    );\n\n    return response;\n  }, function onAdapterRejection(reason) {\n    if (!isCancel(reason)) {\n      throwIfCancellationRequested(config);\n\n      // Transform response data\n      if (reason && reason.response) {\n        reason.response.data = transformData(\n          reason.response.data,\n          reason.response.headers,\n          config.transformResponse\n        );\n      }\n    }\n\n    return Promise.reject(reason);\n  });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/dispatchRequest.js\n// module id = 29\n// module chunks = 0","'use strict';\n\nvar utils = require('./../utils');\n\n/**\n * Transform the data for a request or a response\n *\n * @param {Object|String} data The data to be transformed\n * @param {Array} headers The headers for the request or response\n * @param {Array|Function} fns A single function or Array of functions\n * @returns {*} The resulting transformed data\n */\nmodule.exports = function transformData(data, headers, fns) {\n  /*eslint no-param-reassign:0*/\n  utils.forEach(fns, function transform(fn) {\n    data = fn(data, headers);\n  });\n\n  return data;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/core/transformData.js\n// module id = 30\n// module chunks = 0","'use strict';\n\nmodule.exports = function isCancel(value) {\n  return !!(value && value.__CANCEL__);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/isCancel.js\n// module id = 31\n// module chunks = 0","'use strict';\n\n/**\n * Determines whether the specified URL is absolute\n *\n * @param {string} url The URL to test\n * @returns {boolean} True if the specified URL is absolute, otherwise false\n */\nmodule.exports = function isAbsoluteURL(url) {\n  // A URL is considered absolute if it begins with \"<scheme>://\" or \"//\" (protocol-relative URL).\n  // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed\n  // by any combination of letters, digits, plus, period, or hyphen.\n  return /^([a-z][a-z\\d\\+\\-\\.]*:)?\\/\\//i.test(url);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/isAbsoluteURL.js\n// module id = 32\n// module chunks = 0","'use strict';\n\n/**\n * Creates a new URL by combining the specified URLs\n *\n * @param {string} baseURL The base URL\n * @param {string} relativeURL The relative URL\n * @returns {string} The combined URL\n */\nmodule.exports = function combineURLs(baseURL, relativeURL) {\n  return relativeURL\n    ? baseURL.replace(/\\/+$/, '') + '/' + relativeURL.replace(/^\\/+/, '')\n    : baseURL;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/combineURLs.js\n// module id = 33\n// module chunks = 0","'use strict';\n\n/**\n * A `Cancel` is an object that is thrown when an operation is canceled.\n *\n * @class\n * @param {string=} message The message.\n */\nfunction Cancel(message) {\n  this.message = message;\n}\n\nCancel.prototype.toString = function toString() {\n  return 'Cancel' + (this.message ? ': ' + this.message : '');\n};\n\nCancel.prototype.__CANCEL__ = true;\n\nmodule.exports = Cancel;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/Cancel.js\n// module id = 34\n// module chunks = 0","'use strict';\n\nvar Cancel = require('./Cancel');\n\n/**\n * A `CancelToken` is an object that can be used to request cancellation of an operation.\n *\n * @class\n * @param {Function} executor The executor function.\n */\nfunction CancelToken(executor) {\n  if (typeof executor !== 'function') {\n    throw new TypeError('executor must be a function.');\n  }\n\n  var resolvePromise;\n  this.promise = new Promise(function promiseExecutor(resolve) {\n    resolvePromise = resolve;\n  });\n\n  var token = this;\n  executor(function cancel(message) {\n    if (token.reason) {\n      // Cancellation has already been requested\n      return;\n    }\n\n    token.reason = new Cancel(message);\n    resolvePromise(token.reason);\n  });\n}\n\n/**\n * Throws a `Cancel` if cancellation has been requested.\n */\nCancelToken.prototype.throwIfRequested = function throwIfRequested() {\n  if (this.reason) {\n    throw this.reason;\n  }\n};\n\n/**\n * Returns an object that contains a new `CancelToken` and a function that, when called,\n * cancels the `CancelToken`.\n */\nCancelToken.source = function source() {\n  var cancel;\n  var token = new CancelToken(function executor(c) {\n    cancel = c;\n  });\n  return {\n    token: token,\n    cancel: cancel\n  };\n};\n\nmodule.exports = CancelToken;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/cancel/CancelToken.js\n// module id = 35\n// module chunks = 0","'use strict';\n\n/**\n * Syntactic sugar for invoking a function and expanding an array for arguments.\n *\n * Common use case would be to use `Function.prototype.apply`.\n *\n *  ```js\n *  function f(x, y, z) {}\n *  var args = [1, 2, 3];\n *  f.apply(null, args);\n *  ```\n *\n * With `spread` this example can be re-written.\n *\n *  ```js\n *  spread(function(x, y, z) {})([1, 2, 3]);\n *  ```\n *\n * @param {Function} callback\n * @returns {Function}\n */\nmodule.exports = function spread(callback) {\n  return function wrap(arr) {\n    return callback.apply(null, arr);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/axios/lib/helpers/spread.js\n// module id = 36\n// module chunks = 0","'use strict';\n\nvar stringify = require('./stringify');\nvar parse = require('./parse');\nvar formats = require('./formats');\n\nmodule.exports = {\n    formats: formats,\n    parse: parse,\n    stringify: stringify\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/index.js\n// module id = 37\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\nvar formats = require('./formats');\n\nvar arrayPrefixGenerators = {\n    brackets: function brackets(prefix) { // eslint-disable-line func-name-matching\n        return prefix + '[]';\n    },\n    indices: function indices(prefix, key) { // eslint-disable-line func-name-matching\n        return prefix + '[' + key + ']';\n    },\n    repeat: function repeat(prefix) { // eslint-disable-line func-name-matching\n        return prefix;\n    }\n};\n\nvar toISO = Date.prototype.toISOString;\n\nvar defaults = {\n    delimiter: '&',\n    encode: true,\n    encoder: utils.encode,\n    encodeValuesOnly: false,\n    serializeDate: function serializeDate(date) { // eslint-disable-line func-name-matching\n        return toISO.call(date);\n    },\n    skipNulls: false,\n    strictNullHandling: false\n};\n\nvar stringify = function stringify( // eslint-disable-line func-name-matching\n    object,\n    prefix,\n    generateArrayPrefix,\n    strictNullHandling,\n    skipNulls,\n    encoder,\n    filter,\n    sort,\n    allowDots,\n    serializeDate,\n    formatter,\n    encodeValuesOnly\n) {\n    var obj = object;\n    if (typeof filter === 'function') {\n        obj = filter(prefix, obj);\n    } else if (obj instanceof Date) {\n        obj = serializeDate(obj);\n    } else if (obj === null) {\n        if (strictNullHandling) {\n            return encoder && !encodeValuesOnly ? encoder(prefix) : prefix;\n        }\n\n        obj = '';\n    }\n\n    if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {\n        if (encoder) {\n            var keyValue = encodeValuesOnly ? prefix : encoder(prefix);\n            return [formatter(keyValue) + '=' + formatter(encoder(obj))];\n        }\n        return [formatter(prefix) + '=' + formatter(String(obj))];\n    }\n\n    var values = [];\n\n    if (typeof obj === 'undefined') {\n        return values;\n    }\n\n    var objKeys;\n    if (Array.isArray(filter)) {\n        objKeys = filter;\n    } else {\n        var keys = Object.keys(obj);\n        objKeys = sort ? keys.sort(sort) : keys;\n    }\n\n    for (var i = 0; i < objKeys.length; ++i) {\n        var key = objKeys[i];\n\n        if (skipNulls && obj[key] === null) {\n            continue;\n        }\n\n        if (Array.isArray(obj)) {\n            values = values.concat(stringify(\n                obj[key],\n                generateArrayPrefix(prefix, key),\n                generateArrayPrefix,\n                strictNullHandling,\n                skipNulls,\n                encoder,\n                filter,\n                sort,\n                allowDots,\n                serializeDate,\n                formatter,\n                encodeValuesOnly\n            ));\n        } else {\n            values = values.concat(stringify(\n                obj[key],\n                prefix + (allowDots ? '.' + key : '[' + key + ']'),\n                generateArrayPrefix,\n                strictNullHandling,\n                skipNulls,\n                encoder,\n                filter,\n                sort,\n                allowDots,\n                serializeDate,\n                formatter,\n                encodeValuesOnly\n            ));\n        }\n    }\n\n    return values;\n};\n\nmodule.exports = function (object, opts) {\n    var obj = object;\n    var options = opts || {};\n\n    if (options.encoder !== null && options.encoder !== undefined && typeof options.encoder !== 'function') {\n        throw new TypeError('Encoder has to be a function.');\n    }\n\n    var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;\n    var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;\n    var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;\n    var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;\n    var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;\n    var sort = typeof options.sort === 'function' ? options.sort : null;\n    var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;\n    var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;\n    var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;\n    if (typeof options.format === 'undefined') {\n        options.format = formats.default;\n    } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {\n        throw new TypeError('Unknown format option provided.');\n    }\n    var formatter = formats.formatters[options.format];\n    var objKeys;\n    var filter;\n\n    if (typeof options.filter === 'function') {\n        filter = options.filter;\n        obj = filter('', obj);\n    } else if (Array.isArray(options.filter)) {\n        filter = options.filter;\n        objKeys = filter;\n    }\n\n    var keys = [];\n\n    if (typeof obj !== 'object' || obj === null) {\n        return '';\n    }\n\n    var arrayFormat;\n    if (options.arrayFormat in arrayPrefixGenerators) {\n        arrayFormat = options.arrayFormat;\n    } else if ('indices' in options) {\n        arrayFormat = options.indices ? 'indices' : 'repeat';\n    } else {\n        arrayFormat = 'indices';\n    }\n\n    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];\n\n    if (!objKeys) {\n        objKeys = Object.keys(obj);\n    }\n\n    if (sort) {\n        objKeys.sort(sort);\n    }\n\n    for (var i = 0; i < objKeys.length; ++i) {\n        var key = objKeys[i];\n\n        if (skipNulls && obj[key] === null) {\n            continue;\n        }\n\n        keys = keys.concat(stringify(\n            obj[key],\n            key,\n            generateArrayPrefix,\n            strictNullHandling,\n            skipNulls,\n            encode ? encoder : null,\n            filter,\n            sort,\n            allowDots,\n            serializeDate,\n            formatter,\n            encodeValuesOnly\n        ));\n    }\n\n    return keys.join(delimiter);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/stringify.js\n// module id = 38\n// module chunks = 0","'use strict';\n\nvar has = Object.prototype.hasOwnProperty;\n\nvar hexTable = (function () {\n    var array = [];\n    for (var i = 0; i < 256; ++i) {\n        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());\n    }\n\n    return array;\n}());\n\nexports.arrayToObject = function (source, options) {\n    var obj = options && options.plainObjects ? Object.create(null) : {};\n    for (var i = 0; i < source.length; ++i) {\n        if (typeof source[i] !== 'undefined') {\n            obj[i] = source[i];\n        }\n    }\n\n    return obj;\n};\n\nexports.merge = function (target, source, options) {\n    if (!source) {\n        return target;\n    }\n\n    if (typeof source !== 'object') {\n        if (Array.isArray(target)) {\n            target.push(source);\n        } else if (typeof target === 'object') {\n            if (options.plainObjects || options.allowPrototypes || !has.call(Object.prototype, source)) {\n                target[source] = true;\n            }\n        } else {\n            return [target, source];\n        }\n\n        return target;\n    }\n\n    if (typeof target !== 'object') {\n        return [target].concat(source);\n    }\n\n    var mergeTarget = target;\n    if (Array.isArray(target) && !Array.isArray(source)) {\n        mergeTarget = exports.arrayToObject(target, options);\n    }\n\n    if (Array.isArray(target) && Array.isArray(source)) {\n        source.forEach(function (item, i) {\n            if (has.call(target, i)) {\n                if (target[i] && typeof target[i] === 'object') {\n                    target[i] = exports.merge(target[i], item, options);\n                } else {\n                    target.push(item);\n                }\n            } else {\n                target[i] = item;\n            }\n        });\n        return target;\n    }\n\n    return Object.keys(source).reduce(function (acc, key) {\n        var value = source[key];\n\n        if (Object.prototype.hasOwnProperty.call(acc, key)) {\n            acc[key] = exports.merge(acc[key], value, options);\n        } else {\n            acc[key] = value;\n        }\n        return acc;\n    }, mergeTarget);\n};\n\nexports.decode = function (str) {\n    try {\n        return decodeURIComponent(str.replace(/\\+/g, ' '));\n    } catch (e) {\n        return str;\n    }\n};\n\nexports.encode = function (str) {\n    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.\n    // It has been adapted here for stricter adherence to RFC 3986\n    if (str.length === 0) {\n        return str;\n    }\n\n    var string = typeof str === 'string' ? str : String(str);\n\n    var out = '';\n    for (var i = 0; i < string.length; ++i) {\n        var c = string.charCodeAt(i);\n\n        if (\n            c === 0x2D || // -\n            c === 0x2E || // .\n            c === 0x5F || // _\n            c === 0x7E || // ~\n            (c >= 0x30 && c <= 0x39) || // 0-9\n            (c >= 0x41 && c <= 0x5A) || // a-z\n            (c >= 0x61 && c <= 0x7A) // A-Z\n        ) {\n            out += string.charAt(i);\n            continue;\n        }\n\n        if (c < 0x80) {\n            out = out + hexTable[c];\n            continue;\n        }\n\n        if (c < 0x800) {\n            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);\n            continue;\n        }\n\n        if (c < 0xD800 || c >= 0xE000) {\n            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);\n            continue;\n        }\n\n        i += 1;\n        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));\n        out += hexTable[0xF0 | (c >> 18)] + hexTable[0x80 | ((c >> 12) & 0x3F)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]; // eslint-disable-line max-len\n    }\n\n    return out;\n};\n\nexports.compact = function (obj, references) {\n    if (typeof obj !== 'object' || obj === null) {\n        return obj;\n    }\n\n    var refs = references || [];\n    var lookup = refs.indexOf(obj);\n    if (lookup !== -1) {\n        return refs[lookup];\n    }\n\n    refs.push(obj);\n\n    if (Array.isArray(obj)) {\n        var compacted = [];\n\n        for (var i = 0; i < obj.length; ++i) {\n            if (obj[i] && typeof obj[i] === 'object') {\n                compacted.push(exports.compact(obj[i], refs));\n            } else if (typeof obj[i] !== 'undefined') {\n                compacted.push(obj[i]);\n            }\n        }\n\n        return compacted;\n    }\n\n    var keys = Object.keys(obj);\n    keys.forEach(function (key) {\n        obj[key] = exports.compact(obj[key], refs);\n    });\n\n    return obj;\n};\n\nexports.isRegExp = function (obj) {\n    return Object.prototype.toString.call(obj) === '[object RegExp]';\n};\n\nexports.isBuffer = function (obj) {\n    if (obj === null || typeof obj === 'undefined') {\n        return false;\n    }\n\n    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/utils.js\n// module id = 39\n// module chunks = 0","'use strict';\n\nvar replace = String.prototype.replace;\nvar percentTwenties = /%20/g;\n\nmodule.exports = {\n    'default': 'RFC3986',\n    formatters: {\n        RFC1738: function (value) {\n            return replace.call(value, percentTwenties, '+');\n        },\n        RFC3986: function (value) {\n            return value;\n        }\n    },\n    RFC1738: 'RFC1738',\n    RFC3986: 'RFC3986'\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/formats.js\n// module id = 40\n// module chunks = 0","'use strict';\n\nvar utils = require('./utils');\n\nvar has = Object.prototype.hasOwnProperty;\n\nvar defaults = {\n    allowDots: false,\n    allowPrototypes: false,\n    arrayLimit: 20,\n    decoder: utils.decode,\n    delimiter: '&',\n    depth: 5,\n    parameterLimit: 1000,\n    plainObjects: false,\n    strictNullHandling: false\n};\n\nvar parseValues = function parseQueryStringValues(str, options) {\n    var obj = {};\n    var parts = str.split(options.delimiter, options.parameterLimit === Infinity ? undefined : options.parameterLimit);\n\n    for (var i = 0; i < parts.length; ++i) {\n        var part = parts[i];\n        var pos = part.indexOf(']=') === -1 ? part.indexOf('=') : part.indexOf(']=') + 1;\n\n        var key, val;\n        if (pos === -1) {\n            key = options.decoder(part);\n            val = options.strictNullHandling ? null : '';\n        } else {\n            key = options.decoder(part.slice(0, pos));\n            val = options.decoder(part.slice(pos + 1));\n        }\n        if (has.call(obj, key)) {\n            obj[key] = [].concat(obj[key]).concat(val);\n        } else {\n            obj[key] = val;\n        }\n    }\n\n    return obj;\n};\n\nvar parseObject = function parseObjectRecursive(chain, val, options) {\n    if (!chain.length) {\n        return val;\n    }\n\n    var root = chain.shift();\n\n    var obj;\n    if (root === '[]') {\n        obj = [];\n        obj = obj.concat(parseObject(chain, val, options));\n    } else {\n        obj = options.plainObjects ? Object.create(null) : {};\n        var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;\n        var index = parseInt(cleanRoot, 10);\n        if (\n            !isNaN(index) &&\n            root !== cleanRoot &&\n            String(index) === cleanRoot &&\n            index >= 0 &&\n            (options.parseArrays && index <= options.arrayLimit)\n        ) {\n            obj = [];\n            obj[index] = parseObject(chain, val, options);\n        } else {\n            obj[cleanRoot] = parseObject(chain, val, options);\n        }\n    }\n\n    return obj;\n};\n\nvar parseKeys = function parseQueryStringKeys(givenKey, val, options) {\n    if (!givenKey) {\n        return;\n    }\n\n    // Transform dot notation to bracket notation\n    var key = options.allowDots ? givenKey.replace(/\\.([^.[]+)/g, '[$1]') : givenKey;\n\n    // The regex chunks\n\n    var brackets = /(\\[[^[\\]]*])/;\n    var child = /(\\[[^[\\]]*])/g;\n\n    // Get the parent\n\n    var segment = brackets.exec(key);\n    var parent = segment ? key.slice(0, segment.index) : key;\n\n    // Stash the parent if it exists\n\n    var keys = [];\n    if (parent) {\n        // If we aren't using plain objects, optionally prefix keys\n        // that would overwrite object prototype properties\n        if (!options.plainObjects && has.call(Object.prototype, parent)) {\n            if (!options.allowPrototypes) {\n                return;\n            }\n        }\n\n        keys.push(parent);\n    }\n\n    // Loop through children appending to the array until we hit depth\n\n    var i = 0;\n    while ((segment = child.exec(key)) !== null && i < options.depth) {\n        i += 1;\n        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {\n            if (!options.allowPrototypes) {\n                return;\n            }\n        }\n        keys.push(segment[1]);\n    }\n\n    // If there's a remainder, just add whatever is left\n\n    if (segment) {\n        keys.push('[' + key.slice(segment.index) + ']');\n    }\n\n    return parseObject(keys, val, options);\n};\n\nmodule.exports = function (str, opts) {\n    var options = opts || {};\n\n    if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {\n        throw new TypeError('Decoder has to be a function.');\n    }\n\n    options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;\n    options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;\n    options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;\n    options.parseArrays = options.parseArrays !== false;\n    options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;\n    options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;\n    options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;\n    options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;\n    options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;\n    options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;\n\n    if (str === '' || str === null || typeof str === 'undefined') {\n        return options.plainObjects ? Object.create(null) : {};\n    }\n\n    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;\n    var obj = options.plainObjects ? Object.create(null) : {};\n\n    // Iterate over the keys and setup the new object\n\n    var keys = Object.keys(tempObj);\n    for (var i = 0; i < keys.length; ++i) {\n        var key = keys[i];\n        var newObj = parseKeys(key, tempObj[key], options);\n        obj = utils.merge(obj, newObj, options);\n    }\n\n    return utils.compact(obj);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./~/qs/lib/parse.js\n// module id = 41\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 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class=\\\"glyphicon glyphicon-search\\\"></i>\\n                </div>\\n            </div>\\n        </div>\\n    </div>\\n    <div class=\\\"col-sm-6\\\">\\n        <div v-if=\\\"showColumnPicker\\\" style=\\\"padding-top: 10px;padding-bottom: 10px;float:right;\\\">\\n            <div class=\\\"btn-group\\\" :class=\\\"{'open' : columnMenuOpen}\\\">\\n                <button @click.stop.prevent=\\\"columnMenuOpen = !columnMenuOpen\\\" @keyup.esc=\\\"columnMenuOpen = false\\\"\\n                        type=\\\"button\\\" class=\\\"btn btn-default dropdown-toggle\\\" data-toggle=\\\"dropdown\\\"\\n                        aria-haspopup=\\\"true\\\">\\n                    Columns <span class=\\\"caret\\\"></span>\\n                </button>\\n                <ul class=\\\"dropdown-menu\\\">\\n                    <li v-for=\\\"column in displayCols\\\">\\n                        <a href=\\\"#\\\" @click.stop.prevent=\\\"toggleColumn(column)\\\">\\n                            <i v-if=\\\"column.visible\\\" class=\\\"glyphicon glyphicon-ok\\\"></i> {{column.title}}\\n                        </a>\\n                    </li>\\n                </ul>\\n            </div>\\n        </div>\\n    </div>\\n    <div class=\\\"col-sm-12\\\">\\n        <div id=\\\"loadingdiv\\\" :class=\\\"{'vue-table-loading': this.loading , 'vue-table-loading-hidden': !this.loading}\\\">\\n            <div class=\\\"spinner\\\"></div>\\n        </div>\\n        <table class=\\\"table table-bordered table-hover table-condensed table-striped vue-table\\\">\\n            <thead>\\n                <tr>\\n                    <th v-for=\\\"column in displayColsVisible\\\" @click=\\\"sortBy($event, column.name)\\\"\\n                        track-by=\\\"$index\\\"\\n                        :class=\\\"getClasses(column.name)\\\">\\n                        {{ column.title }}\\n                    </th>\\n                </tr>\\n            </thead>\\n            <tbody>\\n                <tr v-for=\\\"entry in filteredValuesSorted \\\" track-by=\\\"$index\\\">\\n                    <td v-for=\\\"column in displayColsVisible\\\" track-by=\\\"$index\\\"\\n                        v-show=\\\"column.visible\\\">\\n\\n                        <span v-if=\\\"!column.editable\\\"> {{ entry[column.name] }} </span>\\n                        <value-field-section v-else\\n                            :entry=\\\"entry\\\"\\n                            :columnname=\\\"column.name\\\"></value-field-section>\\n                    </td>\\n                </tr>\\n            </tbody>\\n        </table>\\n    </div>\\n    <div v-if=\\\"paginated\\\" class=\\\"col-sm-12\\\">\\n        <div class=\\\"btn-toolbar\\\" role=\\\"toolbar\\\" aria-label=\\\"pagination bar\\\">\\n          <div class=\\\"btn-group\\\" role=\\\"group\\\" aria-label=\\\"first page\\\">\\n            <button type=\\\"button\\\" class=\\\"btn btn-default\\\" @click=\\\"this.page=1\\\">&laquo;</button>\\n          </div>\\n 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\ No newline at end of file
diff --git a/dist/vue-bootstrap-table.min.js b/dist/vue-bootstrap-table.min.js
index ad9a622..1f9ff12 100644
--- a/dist/vue-bootstrap-table.min.js
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diff --git a/examples/01-basic.html b/examples/01-basic.html
index 17121fe..db27316 100644
--- a/examples/01-basic.html
+++ b/examples/01-basic.html
@@ -25,6 +25,7 @@ <h1>Vue Bootstrap Table Demo</h1>
                         :show-filter="showFilter"
                         :show-column-picker="showPicker"
                         :paginated="paginated"
+                        :multi-column-sortable="multiColumnSortable"
                 >
                 </vue-bootstrap-table>
             </div>
diff --git a/examples/01-basic.js b/examples/01-basic.js
index c2de11e..adc744b 100644
--- a/examples/01-basic.js
+++ b/examples/01-basic.js
@@ -11,6 +11,13 @@ new Vue({
         showFilter: true,
         showPicker: true,
         paginated: true,
+        multiColumnSortable: true,
+        ajax: {
+            enabled: false,
+            url: "http://localhost:9430/data/test",
+            method: "POST",
+            delegate: true,
+        },
         columns: [
             {
                 title:"id",
@@ -18,17 +25,20 @@ new Vue({
                 editable: false,
             },
             {
-                title:"name",
+                title:"Name",
+                name: "name",
                 visible: true,
                 editable: true,
             },
             {
-                title:"age",
+                title:"Age",
+                name:"age",
                 visible: true,
                 editable: true,
             },
             {
-                title:"country",
+                title:"Country",
+                name:"country",
                 visible: true,
                 editable: true,
             }
diff --git a/index.html b/index.html
index 5ec0dfd..d0f998c 100644
--- a/index.html
+++ b/index.html
@@ -25,6 +25,7 @@ <h1>Vue Bootstrap Table</h1>
                     :show-filter="showFilter"
                     :show-column-picker="showPicker"
                     :paginated="paginated"
+                    :multi-column-sortable="multiColumnSortable"
                     :ajax="ajax"
             >
             </vue-bootstrap-table>
diff --git a/package.json b/package.json
index 755b003..a593866 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
   "dependencies": {
     "babel-runtime": "^6.0.0",
     "axios": "^0.16.1",
-    "qs": "^6.0.0"
+    "qs": "^6.0.0",
+    "lodash": "^4.17.4"
   },
   "devDependencies": {
     "babel-cli": "^6.5.1",
diff --git a/src/VueBootstrapTable.vue b/src/VueBootstrapTable.vue
index a3c8ba5..817fd81 100644
--- a/src/VueBootstrapTable.vue
+++ b/src/VueBootstrapTable.vue
@@ -37,7 +37,7 @@
             <table class="table table-bordered table-hover table-condensed table-striped vue-table">
                 <thead>
                     <tr>
-                        <th v-for="column in displayCols | filterBy true in 'visible'" @click="sortBy(column.name)"
+                        <th v-for="column in displayColsVisible" @click="sortBy($event, column.name)"
                             track-by="$index"
                             :class="getClasses(column.name)">
                             {{ column.title }}
@@ -45,9 +45,10 @@
                     </tr>
                 </thead>
                 <tbody>
-                    <tr v-for="entry in filteredValues | orderBy sortKey sortOrders[sortKey]" track-by="$index">
-                        <td v-for="column in displayCols | filterBy true in 'visible'" track-by="$index"
+                    <tr v-for="entry in filteredValuesSorted " track-by="$index">
+                        <td v-for="column in displayColsVisible" track-by="$index"
                             v-show="column.visible">
+
                             <span v-if="!column.editable"> {{ entry[column.name] }} </span>
                             <value-field-section v-else
                                 :entry="entry"
@@ -65,7 +66,7 @@
               <div class="btn-group" role="group" aria-label="pages">
                 <button v-for="index in validPageNumbers"
                     type="button" class="btn btn-default"
-                    v-bind:class="{ active: this.page===index }"
+                    :class="{ active: this.page===index }"
                     @click="this.page=index">
                         {{index}}
                 </button>
@@ -182,6 +183,8 @@
 
     import axios from 'axios';
     import qs from 'qs';
+    import lodash from 'lodash';
+
 
     /* Field Section used for displaying and editing value of cell */
     var valueFieldSection = {
@@ -246,6 +249,15 @@
                 required: false,
                 default: true,
             },
+            /**
+             * Enable/disable table multicolumn sorting, optional, default false.
+             * Also sortable must be enabled for this function to work.
+             */
+            multiColumnSortable: {
+                type: Boolean,
+                required: false,
+                default: false,
+            },
             /**
              * Enable/disable input filter, optional, default false
              */
@@ -298,9 +310,9 @@
             return {
                 filteredSize: 0,
                 filterKey: "",
-                sortKey: "",
-                sortDir: "",
+                sortKey: [],
                 sortOrders: {},
+                sortChanged: 1,
                 columnMenuOpen: false,
                 displayCols: [],
                 filteredValues: [],
@@ -360,7 +372,7 @@
             sortKey: function () {
                 this.processFilter();
             },
-            sortDir: function () {
+            sortChanged: function () {
                 this.processFilter();
             },
             page: function () {
@@ -375,6 +387,21 @@
             }
         },
         computed: {
+            displayColsVisible: function () {
+                var displayColsVisible = [];
+                for (var a in this.displayCols) {
+                    if (this.displayCols[a].visible)
+                        displayColsVisible.push(this.displayCols[a]);
+                }
+                return displayColsVisible;
+            },
+            filteredValuesSorted: function () {
+                var tColsDir = [];
+                for(var i=0, len=this.sortKey.length; i < len; i++){
+                    tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+                }
+                return _.orderBy(this.filteredValues, this.sortKey , tColsDir);
+            },
             validPageNumbers: function () {
                 // 5 page max
                 var result = [];
@@ -408,8 +435,23 @@
                        self.loading = false;
                    });
                 } else {
-                    var result = this.$options.filters.filterBy(this.values, this.filterKey);
-                    result = this.$options.filters.orderBy(result, this.sortKey, this.sortOrders[this.sortKey]);
+                    var result = this.values.filter(item => {
+                                var good = false;
+                                for (var col in self.displayColsVisible) {
+                                    if ( _.includes(item[self.displayColsVisible[col].name]+"" , self.filterKey+"")){
+                                        good = true;
+                                    }
+                                }
+                                return good;
+                    });
+
+                    var tColsDir = [];
+                    for(var i=0, len=this.sortKey.length; i < len; i++){
+                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+                    }
+
+                    result = _.orderBy(result, this.sortKey, tColsDir);
+
                     this.filteredSize = result.length;
                     if (this.paginated) {
                         var startIndex = (this.page - 1) * this.pageSize;
@@ -429,13 +471,17 @@
             fetchData: function ( dataCallBackFunction ) {
                 var self = this;
                 var ajaxParameters = {
-
+                    params: {}
                 };
                 this.echo++;
                 if (this.ajax.enabled && this.ajax.delegate) {
+                    var tColsDir = [];
+                    for(var i=0, len=this.sortKey.length; i < len; i++){
+                        tColsDir.push(this.sortOrders[this.sortKey[i]].toLowerCase());
+                    }
                     if ( this.ajax.method=== "GET" ) {
                         ajaxParameters.params.sortcol = this.sortKey;
-                        ajaxParameters.params.sortdir = this.sortDir;
+                        ajaxParameters.params.sortdir = tColsDir;
                         ajaxParameters.params.filter = this.filterKey;
                         if (self.paginated ) {
                             ajaxParameters.params.page = this.page;
@@ -448,7 +494,7 @@
                     }
                     if ( this.ajax.method=== "POST" ) {
                         ajaxParameters.sortcol = this.sortKey;
-                        ajaxParameters.sortdir = this.sortDir;
+                        ajaxParameters.sortdir = tColsDir;
                         ajaxParameters.filter = this.filterKey;
                         if (self.paginated ) {
                             ajaxParameters.page = this.page;
@@ -504,45 +550,55 @@
                 return obj;
             },
             setSortOrders: function () {
-                this.sortKey = "";
+                this.sortKey = [];
                 var sortOrders = {};
                 this.columns.forEach(function (column) {
-                    sortOrders[column.name] = 0;
+                    sortOrders[column.name] = "";
                 });
                 this.sortOrders = sortOrders;
 
             },
-            sortBy: function (key) {
+            sortBy: function (event, key) {
                 if (this.sortable) {
                     var self = this;
-                    this.sortKey = key;
-                    this.columns.forEach(function (column) {
-                        if (column.name !== key) {
-                            self.sortOrders[column.name] = 0;
+
+                    if (!this.multiColumnSortable || ( this.multiColumnSortable && !event.shiftKey)) {
+                        this.sortKey = [key];
+                        this.columns.forEach(function (column) {
+                            if (column.name !== key) {
+                                self.sortOrders[column.name] = "";
+                            }
+                        });
+                    } else {
+                        if (_.findIndex(this.sortKey, function(o) { return o === key; }) === -1) {
+                            this.sortKey.push(key);
                         }
-                    });
-                    if (this.sortOrders[key] === 0) {
-                        this.sortOrders[key] = 1;
+                    }
+                    if (this.sortOrders[key] === "") {
+                        this.sortOrders[key] = "ASC";
+                    } else if (this.sortOrders[key] === "ASC") {
+                        this.sortOrders[key] = "DESC";
                     } else {
-                        this.sortOrders[key] = this.sortOrders[key] * -1;
+                        this.sortOrders[key] = "ASC";
                     }
 
-                    if (this.sortOrders[key] === 1)
-                        this.sortDir = "ASC";
-                    if (this.sortOrders[key] === -1)
-                        this.sortDir = "DESC";
+                    this.sortChanged = this.sortChanged * -1;
                 }
             },
             getClasses: function (key) {
                 var classes = [];
                 if (this.sortable) {
                     classes.push("arrow");
-                    if (this.sortKey === key) {
+                    /*if (this.sortKey === key) {
+                        classes.push("active");
+                    }*/
+                    if (_.findIndex(this.sortKey, function(o) { return o === key; }) !== -1) {
                         classes.push("active");
                     }
-                    if (this.sortOrders[key] === 1) {
+
+                    if (this.sortOrders[key] === "ASC") {
                         classes.push("asc");
-                    } else if (this.sortOrders[key] === -1) {
+                    } else if (this.sortOrders[key] === "DESC") {
                         classes.push("dsc");
                     }
                 }
diff --git a/src/app.js b/src/app.js
index 0069cd8..8ee09fa 100644
--- a/src/app.js
+++ b/src/app.js
@@ -13,6 +13,7 @@ new Vue({
         showFilter: true,
         showPicker: true,
         paginated: true,
+        multiColumnSortable: true,
         ajax: {
             enabled: false,
             url: "http://localhost:9430/data/test",
@@ -37,43 +38,43 @@ new Vue({
                 "title": "john",
             },
             {
-                "id": 2,
+                "id": 1,
                 "title": "mary",
             },
             {
-                "id": 3,
+                "id": 1,
                 "title": "jack",
             },
             {
-                "id": 4,
+                "id": 1,
                 "title": "joe",
             },
             {
-                "id": 5,
+                "id": 2,
                 "title": "ana",
             },
             {
-                "id": 6,
+                "id": 2,
                 "title": "rita",
             },
             {
-                "id": 7,
+                "id": 2,
                 "title": "mario",
             },
             {
-                "id": 8,
+                "id": 2,
                 "title": "luigi",
             },
             {
-                "id": 9,
+                "id": 2,
                 "title": "mickey",
             },
             {
-                "id": 10,
+                "id": 3,
                 "title": "donald",
             },
             {
-                "id": 11,
+                "id": 3,
                 "title": "juliet",
             }