if ( tf.getConfig().isDfsDisabled() || tf.getCredentials().getUserDomain() == null || tf.getCredentials().getUserDomain().isEmpty() ) {
            return null;
        }

        if ( this._domains != null && System.currentTimeMillis() > this._domains.expiration ) {
            this._domains = null;
        }
        if ( this._domains != null )
            return this._domains.map;
        try {

            }
        }
    }


    public static byte[] decrypt ( byte[] data, Key key, int type ) throws GeneralSecurityException {
        Cipher cipher = null;
        byte[] decrypt = null;

        switch ( type ) {
        case KerberosConstants.DES_ENC_TYPE:
            decrypt = decryptDES(data, key, cipher);
            break;
        case KerberosConstants.RC4_ENC_TYPE:

                DEROctetString encOctets = ASN1Util.as(DEROctetString.class, ASN1Util.as(ASN1TaggedObject.class, encSequence, 2));
                byte[] crypt = encOctets.getOctets();

                if ( keys == null ) {
                    try {
                        keys = new KerberosCredentials().getKeys();
                    }
                    catch ( LoginException e ) {

    }


    /**
     * @param keybytes
     * @return
     */
    private static KerberosKey makeKey ( byte[] keybytes, int etype ) {
        return new KerberosKey(null, keybytes, etype, 0);
    }


    private static void checkBytes ( byte[] expect, byte[] have ) {
        if ( !Arrays.equals(expect, have) ) {

    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString () {
        String mic = null;
        if ( this.getMechanismListMIC() != null ) {
            mic = Hexdump.toHexString(this.getMechanismListMIC(), 0, this.getMechanismListMIC().length);
        }

        String defUser = config.getDefaultUsername();
        String defPassword = config.getDefaultPassword();
        String defDomain = config.getDefaultDomain();
        if ( defUser != null ) {
            this.defaultCredentials = new NtlmPasswordAuthenticator(defDomain, defUser, defPassword);
        } else {
            this.defaultCredentials = new NtlmPasswordAuthenticator();
        }
    }

    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.TreeConnectResponse#getService()
     */
    @Override
    public String getService () {
        return null;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.TreeConnectResponse#isShareDfs()
     */
    @Override
    public boolean isShareDfs () {

        DialectVersion min = ( minStr != null && !minStr.isEmpty() ) ? DialectVersion.valueOf(minStr) : null;
        DialectVersion max = ( maxStr != null && !maxStr.isEmpty() ) ? DialectVersion.valueOf(maxStr) : null;
        initProtocolVersions(min, max);
    }


    protected void initProtocolVersions ( DialectVersion min, DialectVersion max ) {
        this.minVersion = min != null ? min : DialectVersion.SMB1;

                .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() ) {
                Smb2CreateRequest create = new Smb2CreateRequest(sess.getConfig(), "\\foocc");

                    r,
                    null,
                    null);
            }

            int permits = resp.getInitialCredits();
            if ( permits > 0 ) {
                this.credits.release(permits);
            }
            Arrays.fill(this.sbuf, (byte) 0);
            return new SmbNegotiation(comNeg, resp, null, null);
        }
    }


    /**
     * @return