rem: throw Components.results.NS_ERROR_NO_INTERFACE; 
add: throw Components.results.NS_ERROR_NO_INTERFACE; 
context: nsLDAPPrefsModule.getClassObject =function (compMgr, cid, iid) {    if (cid.equals(nsILDAPPrefsService))        return nsLDAPPrefsFactory;    throw Components.results.NS_ERROR_NO_INTERFACE;  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/7b5970dc1f631c4a1ed682420229b370547edc65/nsLDAPPrefsService.js/clean/mailnews/addrbook/src/nsLDAPPrefsService.js