* @cfg {String} defaultEventAction
* The method to call on the {@link Ext.EventObject} after this KeyNav intercepts a key. Valid values are
* {@link Ext.EventObject#stopEvent}, {@link Ext.EventObject#preventDefault} and
* @cfg {String} defaultEventAction
* The method to call on the {@link Ext.EventObject} after this KeyNav intercepts a key. Valid values are
* {@link Ext.EventObject#stopEvent}, {@link Ext.EventObject#preventDefault} and