* @param {mw.rcfilters.dm.FilterItem} model Item model
* @param {Object} config Configuration object
* @cfg {jQuery} [$overlay] A jQuery object serving as overlay for popups
*/
* @param {mw.rcfilters.dm.FilterItem} model Item model
* @param {Object} config Configuration object
* @cfg {jQuery} [$overlay] A jQuery object serving as overlay for popups
*/