Remove use of ES2015 syntax

tslib.js

@@ -440,36 +440,36 @@ var __rewriteRelativeImportExtension;
 });
 
 0 && (module.exports = {
-    __extends,
-    __assign,
-    __rest,
-    __decorate,
-    __param,
-    __esDecorate,
-    __runInitializers,
-    __propKey,
-    __setFunctionName,
-    __metadata,
-    __awaiter,
-    __generator,
-    __exportStar,
-    __createBinding,
-    __values,
-    __read,
-    __spread,
-    __spreadArrays,
-    __spreadArray,
-    __await,
-    __asyncGenerator,
-    __asyncDelegator,
-    __asyncValues,
-    __makeTemplateObject,
-    __importStar,
-    __importDefault,
-    __classPrivateFieldGet,
-    __classPrivateFieldSet,
-    __classPrivateFieldIn,
-    __addDisposableResource,
-    __disposeResources,
-    __rewriteRelativeImportExtension,
+    __extends: __extends,
+    __assign: __assign,
+    __rest: __rest,
+    __decorate: __decorate,
+    __param: __param,
+    __esDecorate: __esDecorate,
+    __runInitializers: __runInitializers,
+    __propKey: __propKey,
+    __setFunctionName: __setFunctionName,
+    __metadata: __metadata,
+    __awaiter: __awaiter,
+    __generator: __generator,
+    __exportStar: __exportStar,
+    __createBinding: __createBinding,
+    __values: __values,
+    __read: __read,
+    __spread: __spread,
+    __spreadArrays: __spreadArrays,
+    __spreadArray: __spreadArray,
+    __await: __await,
+    __asyncGenerator: __asyncGenerator,
+    __asyncDelegator: __asyncDelegator,
+    __asyncValues: __asyncValues,
+    __makeTemplateObject: __makeTemplateObject,
+    __importStar: __importStar,
+    __importDefault: __importDefault,
+    __classPrivateFieldGet: __classPrivateFieldGet,
+    __classPrivateFieldSet: __classPrivateFieldSet,
+    __classPrivateFieldIn: __classPrivateFieldIn,
+    __addDisposableResource: __addDisposableResource,
+    __disposeResources: __disposeResources,
+    __rewriteRelativeImportExtension: __rewriteRelativeImportExtension,
 });