text: /*
   * Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
   * by the Administrator of the National Aeronautics and Space Administration.
   * All rights reserved.
   *
   * The NASAWorldWind/WebWorldWind platform is 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
   *
   * Unless required by applicable law or agreed to in writing, software distributed
   * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
   * CONDITIONS OF ANY KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations under the License.
   *
   * NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
   * software:
   *
   *    ES6-Promise – under MIT License
   *    libtess.js – SGI Free Software License B
   *    Proj4 – under MIT License
   *    JSZip – under MIT License
   *
   * A complete listing of 3rd Party software notices and licenses included in
   * WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
   * PDF found in code  directory.
   */
  /**
   * @exports AbstractError
   */
  define(function () {
      "use strict";
  
      /**
       * Constructs an error with a specified name and message.
       * @alias AbstractError
       * @constructor
       * @abstract
       * @classdesc Provides an abstract base class for error classes. This class is not meant to be instantiated
       * directly but used only by subclasses.
       * @param {String} name The error's name.
       * @param {String} message The message.
       */
      var AbstractError = function (name, message) {
          this.name = name;
          this.message = message;
      };
  
      /**
       * Returns the message and stack trace associated with this error.
       * @returns {String} The message and stack trace associated with this error.
       */
      AbstractError.prototype.toString = function () {
          var str = this.name + ': ' + this.message;
  
          if (this.stack) {
              str += '\n' + this.stack.toString();
          }
  
          return str;
      };
  
      return AbstractError;
  
  });