/** * This component is used for a collapsed group in a `list` component. * @since 7.0 * @private */Ext.define('Ext.dataview.ListItemPlaceholder', { extend: 'Ext.dataview.SimpleListItem', xtype: 'listitemplaceholder', isListItemPlaceholder: true, config: { group: null }, html: '', cls: Ext.baseCSSPrefix + 'listitem-placeholder'});