"_triggerChanged"}},attached:function(){this._addListener(this.toggleTrigger)},detached:function(){this._removeListener(this.toggleTrigger)},_addListener:function(e){e&&"object"==typeof e&&this.listen(e,"tap","_toggle")},_removeListener:function(e){e&&"object"==typeof e&&this.unlisten(e,"tap","_toggle")},_triggerChanged:function(e,t){var i=this._scope||document;this._removeListener(t),"string"==typeof e&&this.async(function(){this.toggleTrigger=i===document?document.querySelector(e):Polymer.dom(i).querySele