rem: mProperties: null, get properties() { return this.mProperties; }, set properties(v) { if (this.mImmutable) throw Components.results.NS_ERROR_FAILURE; else this.mProperties = v; }, 
add: set icalString() { throw Components.results.NS_NOT_IMPLEMENTED; }, 
context:     mProperties: null, get properties() { return this.mProperties; }, set properties(v) { if (this.mImmutable) throw Components.results.NS_ERROR_FAILURE; else this.mProperties = v; },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6630304436924080a869ed577c8e6926262818a9/calItemBase.js/clean/calendar/base/src/calItemBase.js