--- /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
+
+
+interface String {\r
+ /** Removes the trailing white space and line terminator characters from a string. */\r
+ trimEnd(): string;\r
+\r
+ /** Removes the leading white space and line terminator characters from a string. */\r
+ trimStart(): string;\r
+\r
+ /** Removes the leading white space and line terminator characters from a string. */\r
+ trimLeft(): string;\r
+\r
+ /** Removes the trailing white space and line terminator characters from a string. */\r
+ trimRight(): string;\r
+}\r