    /**
     * @class Ext.toolbar.Fill
     * @extends Ext.Component
     *
     * A non-rendering placeholder item which instructs the Toolbar's Layout to begin using
     * the right-justified button container.
     *
     * {@img Ext.toolbar.Fill/Ext.toolbar.Fill.png Toolbar Fill}
     *
     * ## Example
     *
     *     Ext.create('Ext.panel.Panel', {
     *          title: 'Toolbar Fill Example',
     *          width: 300,
     *          height: 200,
     *          tbar : [
     *              'Item 1',
     *              {xtype: 'tbfill'}, // or '->'
     *              'Item 2'
     *          ],
     *          renderTo: Ext.getBody()
     *      });
     *
     * @constructor
     * Creates a new Fill
     * @xtype tbfill
     */
    Ext.define('Ext.toolbar.Fill', {
        extend: 'Ext.Component',
        alias: 'widget.tbfill',
        alternateClassName: 'Ext.Toolbar.Fill',
        isFill : true,
        flex: 1
    });