--- /dev/null
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation. All rights reserved.
+Licensed under the Apache License, Version 2.0 (the "License"); you may not use
+this file except in compliance with the License. You may obtain a copy of the
+License at http://www.apache.org/licenses/LICENSE-2.0
+
+THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
+WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
+MERCHANTABLITY OR NON-INFRINGEMENT.
+
+See the Apache Version 2.0 License for specific language governing permissions
+and limitations under the License.
+***************************************************************************** */
+
+
+
+/// <reference no-default-lib="true"/>\r
+
+
+/// <reference lib="es2015.iterable" />\r
+\r
+interface Generator<T = unknown, TReturn = any, TNext = unknown> extends Iterator<T, TReturn, TNext> {\r
+ // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.\r
+ next(...args: [] | [TNext]): IteratorResult<T, TReturn>;\r
+ return(value: TReturn): IteratorResult<T, TReturn>;\r
+ throw(e: any): IteratorResult<T, TReturn>;\r
+ [Symbol.iterator](): Generator<T, TReturn, TNext>;\r
+}\r
+\r
+interface GeneratorFunction {\r
+ /**\r
+ * Creates a new Generator object.\r
+ * @param args A list of arguments the function accepts.\r
+ */\r
+ new (...args: any[]): Generator;\r
+ /**\r
+ * Creates a new Generator object.\r
+ * @param args A list of arguments the function accepts.\r
+ */\r
+ (...args: any[]): Generator;\r
+ /**\r
+ * The length of the arguments.\r
+ */\r
+ readonly length: number;\r
+ /**\r
+ * Returns the name of the function.\r
+ */\r
+ readonly name: string;\r
+ /**\r
+ * A reference to the prototype.\r
+ */\r
+ readonly prototype: Generator;\r
+}\r
+\r
+interface GeneratorFunctionConstructor {\r
+ /**\r
+ * Creates a new Generator function.\r
+ * @param args A list of arguments the function accepts.\r
+ */\r
+ new (...args: string[]): GeneratorFunction;\r
+ /**\r
+ * Creates a new Generator function.\r
+ * @param args A list of arguments the function accepts.\r
+ */\r
+ (...args: string[]): GeneratorFunction;\r
+ /**\r
+ * The length of the arguments.\r
+ */\r
+ readonly length: number;\r
+ /**\r
+ * Returns the name of the function.\r
+ */\r
+ readonly name: string;\r
+ /**\r
+ * A reference to the prototype.\r
+ */\r
+ readonly prototype: GeneratorFunction;\r
+}\r