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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/55a5e5ddbf4a7e9103b995d808c4466085d2123f/nsLDAPPrefsService.js/clean/mailnews/addrbook/src/nsLDAPPrefsService.js