}
        return null;
    }


    /**
     * 
     * {@inheritDoc}
     *
     * @see jcifs.DfsResolver#isTrustedDomain(jcifs.CIFSContext, java.lang.String)
     */
    @Override
    public boolean isTrustedDomain ( CIFSContext tf, String domain ) throws SmbAuthException {
        synchronized ( this.domainsLock ) {

        if (getType() != TYPE_SERVER)
            throw new SmbException("The requested list operations is invalid: " + url.toString());

        map = new HashMap();

        if (dfs.isTrustedDomain(getServer(), auth)) {
            /* The server name is actually the name of a trusted
             * domain. Add DFS roots to the list.
             */
            try {