rem: get _livemarks() { if (!this.__livemarks) { this.__livemarks = Cc["@mozilla.org/browser/livemark-service;1"]. getService(Ci.nsILivemarkService); } return this.__livemarks; 
add: get _mss() { if (!this.__mss) this.__mss = Cc["@mozilla.org/microsummary/service;1"]. getService(Ci.nsIMicrosummaryService); return this.__mss; 
context:   get _livemarks() {    if (!this.__livemarks) {      this.__livemarks =        Cc["@mozilla.org/browser/livemark-service;1"].        getService(Ci.nsILivemarkService);    }    return this.__livemarks;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/c5b8e2d95e4dfec4f4c95dfe37b3cf1a54bcbb82/bookmarkProperties.js/clean/browser/components/places/content/bookmarkProperties.js