*/
    public static int getDefaultFlags(Type2Message type2) {
        if (type2 == null) return DEFAULT_FLAGS;
        int flags = NTLMSSP_NEGOTIATE_NTLM;
        flags |= ((type2.getFlags() & NTLMSSP_NEGOTIATE_UNICODE) != 0) ?
                NTLMSSP_NEGOTIATE_UNICODE : NTLMSSP_NEGOTIATE_OEM;
        return flags;
    }

    /**
     * Constructs the LanManager response to the given Type-2 message using

    */
    public static final int NTLMSSP_NEGOTIATE_SIGN = 0x00000010;

    /**
    * Specifies that communication across the authenticated channel
    * should be encrypted (message confidentiality).
    */
    public static final int NTLMSSP_NEGOTIATE_SEAL = 0x00000020;

    /**
    * Indicates datagram authentication.
    */
    public static final int NTLMSSP_NEGOTIATE_DATAGRAM_STYLE = 0x00000040;

    /**

    /**
     * @param resp
     */
    void setupResponse ( Response resp );


    /**
     * @return whether signing has been negotiated
     */
    boolean isSigningNegotiated ();


    /**
     * @param cap
     * @return whether capability is negotiated
     */
    boolean haveCapabilitiy ( int cap );


    /**
     * @return the send buffer size
     */
    int getSendBufferSize ();

    public int getDialectIndex () {
        return this.dialectIndex;
    }


    /**
     * @return the negotiated capbilities
     */
    public int getNegotiatedCapabilities () {
        return this.capabilities;
    }


    /**
     * 
     * @return negotiated send buffer size
     */
    public int getNegotiatedSendBufferSize () {
        return this.snd_buf_size;
    }

        }
    }


    @Override
    public void destroy () {}


    /**
     * This method simply calls <tt>negotiate( req, resp, false )</tt>
     * and then <tt>chain.doFilter</tt>. You can override and call
     * negotiate manually to achive a variety of different behavior.
     */
    @Override

                NtlmFlags.NTLMSSP_REQUEST_TARGET |
                NtlmFlags.NTLMSSP_NEGOTIATE_NTLM2 |
                NtlmFlags.NTLMSSP_NEGOTIATE_128;
        if (doSigning) {
            this.ntlmsspFlags |= NtlmFlags.NTLMSSP_NEGOTIATE_SIGN |
                NtlmFlags.NTLMSSP_NEGOTIATE_ALWAYS_SIGN |
                NtlmFlags.NTLMSSP_NEGOTIATE_KEY_EXCH;
        }
        this.workstation = Type1Message.getDefaultWorkstation();

    /**
     * 
     */
    public static final int SMB2_HEADER_LENGTH = 64;

    /**
     * 
     */
    public static final int SMB2_NEGOTIATE_SIGNING_ENABLED = 0x0001;

    /**
     * 
     */
    public static final int SMB2_NEGOTIATE_SIGNING_REQUIRED = 0x0002;

    /**
     * 
     */
    public static final int SMB2_DIALECT_0202 = 0x0202;

    /**
     * 
     */

        if ( type2 == null )
            return getDefaultFlags(tc);
        int flags = NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION;
        flags |= type2.getFlag(NTLMSSP_NEGOTIATE_UNICODE) ? NTLMSSP_NEGOTIATE_UNICODE : NTLMSSP_NEGOTIATE_OEM;
        return flags;
    }


    /**
     * Returns the LanManager/LMv2 response.
     *

     * @return An <code>int</code> containing the default flags.
     */
    public static int getDefaultFlags ( CIFSContext tc ) {
        return NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_VERSION
                | ( tc.getConfig().isUseUnicode() ? NTLMSSP_NEGOTIATE_UNICODE : NTLMSSP_NEGOTIATE_OEM );
    }


    /**
     * Returns the supplied authentication domain.
     *

  internal const val B0_FLAG_FIN = 128

  /** Byte 0 reserved flag 1. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV1 = 64

  /** Byte 0 reserved flag 2. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV2 = 32

  /** Byte 0 reserved flag 3. Must be 0 unless negotiated otherwise. */
  internal const val B0_FLAG_RSV3 = 16

  /** Byte 0 mask for the frame opcode. */