text: goog.provide('ol.AssertionError');
  
  goog.require('ol');
  
  /**
   * Error object thrown when an assertion failed. This is an ECMA-262 Error,
   * extended with a `code` property.
   * @see {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error}
   * @constructor
   * @extends {Error}
   * @implements {oli.AssertionError}
   * @param {number} code Error code.
   */
  ol.AssertionError = function(code) {
  
    /**
     * @type {string}
     */
    this.message = 'Assertion failed. See ' +
        (ol.VERSION ? 'https://openlayers.org/en/' + ol.VERSION.split('-')[0] : '') +
        '/doc/errors/#' + code + ' for details.';
  
    /**
     * Error code. The meaning of the code can be found on
     * {@link https://openlayers.org/en/latest/errors.html} (replace `latest` with
     * the version found in the OpenLayers script's header comment if a version
     * other than the latest is used).
     * @type {number}
     * @api
     */
    this.code = code;
  
    this.name = 'AssertionError';
  
  };
  ol.inherits(ol.AssertionError, Error);
  