.unwrap(SmbTransportInternal.class);
              SmbSession sess = trans.unwrap(SmbTransportInternal.class).getSmbSession(c, getTestServer(), null);
              SmbTreeInternal tree = sess.unwrap(SmbSessionInternal.class).getSmbTree(getTestShare(), null).unwrap(SmbTreeInternal.class) ) {

            if ( trans.isSMB2() ) {

     */
    @Override
    public SmbSessionImpl getSmbSession ( CIFSContext tf ) {
        return getSmbSession(tf, null, null);
    }


    /**
     *
     * @param tf
     *            context to use
     * @return a session for the context
     */
    @Override
    @SuppressWarnings ( "resource" )
    public synchronized SmbSessionImpl getSmbSession ( CIFSContext tf, String targetHost, String targetDomain ) {

                ssn = trans.getSmbSession(NtlmPasswordAuthentication.NULL);
                tree = ssn.getSmbTree(null, null);
                tree.treeConnect(null, null);
            } else if ((a = NtlmAuthenticator.requestNtlmPasswordAuthentication(
                        url.toString(), sae)) != null) {
                auth = a;
                ssn = trans.getSmbSession(auth);