}

    /**
     * Returns the server capabilities negotiated during the SMB handshake.
     *
     * @return the negotiated capabilities
     */
    public int getNegotiatedCapabilities() {
        return this.capabilities;
    }

    /**
     * Gets the negotiated send buffer size.
     *
     * @return negotiated send buffer size
     */
    public int getNegotiatedSendBufferSize() {

    /**
     * Checks whether SMB message signing has been successfully negotiated.
     *
     * @return whether signing has been negotiated
     */
    boolean isSigningNegotiated();

    /**
     * Checks whether a specific capability has been negotiated.
     *
     * @param cap the capability flag to check
     * @return whether capability is negotiated
     */
    boolean haveCapabilitiy(int cap);

    /**

        assertFalse(enforced.isSigningOptional());
        assertTrue(enforced.isSigningEnforced());

        // Negotiated required -> enforced true; negotiated enabled-only -> optional true
        SmbNegotiationResponse nego = mock(SmbNegotiationResponse.class);
        setField(transport, "negotiated", nego);
        when(nego.isSigningNegotiated()).thenReturn(true);

        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException();

        // Assert
        assertEquals("Operation is not supported with the negotiated capabilities", ex.getMessage(),
                "Default message should match the class contract");
        assertNull(ex.getCause(), "No cause expected from default constructor");

            this.encryptionKey = encryptionKey.clone();
            this.decryptionKey = decryptionKey.clone();
        }
    }

    /**
     * Get the negotiated cipher identifier
     * @return the negotiated cipher ID
     */
    public int getCipherId() {
        return this.cipherId;
    }

    /**
     * Get the SMB dialect version
     * @return the SMB dialect version

     *
     * @return the security mode flags from the server
     */
    public int getSecurityMode() {
        return this.securityMode;
    }

    /**
     * Gets the negotiated SMB dialect
     *
     * @return the SMB dialect negotiated with the server
     */
    public int getDialect() {
        return this.dialect;
    }

    /**
     * {@inheritDoc}
     *

            final Object cred) throws SmbException, GeneralSecurityException {
        super(tc.getConfig(), SMB_COM_SESSION_SETUP_ANDX, andx);
        this.negotiated = negotiated;
        this.capabilities = negotiated.getNegotiatedCapabilities();
        final ServerData server = negotiated.getServerData();

        when(negotiationResponse.canReuse(any(CIFSContext.class), anyBoolean())).thenReturn(true);

        // Use reflection to set the negotiated response
        Field negotiatedField = SmbTransportImpl.class.getDeclaredField("negotiated");
        negotiatedField.setAccessible(true);
        negotiatedField.set(initial, negotiationResponse);

        // When: Request connection with signing enforced

  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. */

    }

    /**
     * Get the negotiated SMB Direct protocol version
     *
     * @return negotiated protocol version
     */
    public int getNegotiatedVersion() {
        return negotiatedVersion;
    }

    /**
     * Set the negotiated SMB Direct protocol version
     *
     * @param negotiatedVersion negotiated protocol version
     */