var storage={engine:"widget",get:function(_1){return widget.preferenceForKey(_1);},set:function(_2,_3){this.ensureKeyInMap(_2);widget.setPreferenceForKey(_3,_2);},remove:function(_4){this.removeKeyFromMap(_4);widget.setPreferenceForKey(null,_4);},ensureKeyInMap:function(){},removeKeyFromMap:function(){}};