rem: get _consoleSvc() { if (!this.__consoleSvc) this.__consoleSvc = Cc["@mozilla.org/consoleservice;1"]. getService(Ci.nsIConsoleService); return this.__consoleSvc; 
add: get _ds() { if (!this.__ds) { var file = this._dirSvc.get("UMimTyp", Ci.nsIFile);  var ioService = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); var fileHandler = ioService.getProtocolHandler("file"). QueryInterface(Ci.nsIFileProtocolHandler); this.__ds = this._rdf.GetDataSourceBlocking(fileHandler.getURLSpecFromFile(file)); }  return this.__ds; 
context:   get _consoleSvc() {    if (!this.__consoleSvc)      this.__consoleSvc = Cc["@mozilla.org/consoleservice;1"].                          getService(Ci.nsIConsoleService);    return this.__consoleSvc;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/332c59f2aae199b2b216b86632bf9ef47f05781c/nsHandlerService.js/buggy/uriloader/exthandler/nsHandlerService.js