add: CalItipItem = new Components.Constructor("@mozilla.org/calendar/itip-item;1", Components.interfaces.calIItipItem); 
context: function initBaseComponent(){    CalRecurrenceInfo = new Components.Constructor(kCalRecurrenceInfoContractID, kCalIRecurrenceInfo);    CalRecurrenceRule = new Components.Constructor(kCalRecurrenceRuleContractID, kCalIRecurrenceRule);    CalRecurrenceDateSet = new Components.Constructor(kCalRecurrenceDateSetContractID, kCalIRecurrenceDateSet);    CalRecurrenceDate = new Components.Constructor(kCalRecurrenceDateContractID, kCalIRecurrenceDate);    CalDateTime = new Components.Constructor("@mozilla.org/calendar/datetime;1",                                             Components.interfaces.calIDateTime);    CalDuration = new Components.Constructor("@mozilla.org/calendar/duration;1",                                             Components.interfaces.calIDateTime);    CalAttendee = new Components.Constructor("@mozilla.org/calendar/attendee;1",                                             Components.interfaces.calIAttendee);}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d14ae8032f7a2fd2115945f6fe927b782ca538ec/calItemModule.js/clean/calendar/base/src/calItemModule.js