/** * @deprecated * Ext.ux.RowExpander has been promoted to the core framework. Use * {@link Ext.grid.plugin.RowExpander} instead. Ext.ux.RowExpander is now just an empty * stub that extends Ext.grid.plugin.RowExpander for backward compatibility reasons. */Ext.define('Ext.ux.RowExpander', { extend: 'Ext.grid.plugin.RowExpander'});