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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/c8c28663881a75c0d25a60a3ae14596d09cddf47/calCalendarManager.js/clean/calendar/base/src/calCalendarManager.js