+ this.addEvents(\r
+ /**\r
+ * @event ready\r
+ * Fires when the Ext.History singleton has been initialized and is ready for use.\r
+ * @param {Ext.History} The Ext.History singleton.\r
+ */\r
+ 'ready',\r
+ /**\r
+ * @event change\r
+ * Fires when navigation back or forwards within the local page's history occurs.\r
+ * @param {String} token An identifier associated with the page state at that point in its history.\r
+ */\r
+ 'change'\r
+ );\r