rem: get canRefresh() { return true; 
add: get opGroup() { if (!this.mOpGroup) { var this_ = this; function cancelFunc() { var listener = this_.mRealListener; this_.mRealListener = null; if (listener) { listener.onOperationComplete( this_, Components.interfaces.calIErrors.OPERATION_CANCELLED, calIOperationListener.GET, null, null); } } this.mOpGroup = new calOperationGroup(cancelFunc); } return this.mOpGroup; 
context:     get canRefresh() {        return true;    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/7869216e4570cde89a8ccca7737a13729ec96de4/calCompositeCalendar.js/buggy/calendar/providers/composite/calCompositeCalendar.js