groups.put( newName.toString(), groups.remove( oldName.toString() ) );
Object members = groups.remove( oldName.toString() );  if ( members != null ) { groups.put( newName.toString(), members ); if ( log.isDebugEnabled() ) { log.debug( "group cache contents after renaming " + oldName.toString() + ":\n" + groups ); } return true; } return false;
    public void groupRenamed( Name oldName, Name newName )    {        groups.put( newName.toString(), groups.remove( oldName.toString() ) );    }