docs: function (options) {
              var isIE7 = ariaCoreBrowser.isIE7;
  
              // Throw an error only in IE7
              this.$HTML5Storage.constructor.call(this, options, "localStorage", !isIE7);
  
              if (!this.storage && isIE7) {
                  var instance = new ariaStorageUserData(options);
                  fallback(this, instance);
  
                  /**
                   * Whether or not this instance is using a fallback mechanism for localStorage
                   * @type aria.storage.UserData
                   * @protected
                   */
                  this._fallback = instance;
              }
          }