rem: mProperties: null, get properties() { return this.mProperties; }, set properties(v) { this.mProperties = v; } 
add: mProperties: null, get properties() { return this.mProperties; }, set properties(v) { if (this.mImmutable) throw Components.results.NS_ERROR_FAILURE; else this.mProperties = v; } 
context:     mProperties: null, get properties() { return this.mProperties; }, set properties(v) { this.mProperties = v; }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/df6666d51264e4b2ef1ad6691955dac2b27ba05a/calItemBase.js/clean/calendar/base/src/calItemBase.js