add: Components.interfaces.nsIObserver, 
context:     getInterfaces: function (count) {        var ifaces = [            Components.interfaces.nsISupports,            Components.interfaces.calICalendarManager,            Components.interfaces.nsIClassInfo        ];        count.value = ifaces.length;        return ifaces;    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/f41eaae5823d459fc539727b4438b5225a74a3b2/calCalendarManager.js/clean/calendar/base/src/calCalendarManager.js