return getCredit();
    }

    /**
     * Gets the SMB dialect revision selected by the server.
     *
     * @return the dialectRevision
     */
    public int getDialectRevision() {
        return this.dialectRevision;
    }

    /**
     * Gets the server GUID used for identification.
     *
     * @return the serverGuid
     */
    public byte[] getServerGuid() {

    void testGetDialectRevision() throws Exception {
        // Given
        setPrivateField(response, "dialectRevision", 0x0311);

        // When
        int dialect = response.getDialectRevision();

        // Then
        assertEquals(0x0311, dialect);
    }

    @Test
    @DisplayName("Should return server GUID")
    void testGetServerGuid() throws Exception {
        // Given

        if (nego.getSecurityMode() != out.getSecurityMode() || nego.getCapabilities() != out.getCapabilities()
                || nego.getDialectRevision() != out.getDialect() || !Arrays.equals(nego.getServerGuid(), out.getServerGuid())) {
            log.debug("Secure negotiation failure");
            throw new CIFSException("Mismatched attributes validating negotiate info");

        // Should not throw any exception
        int bytesRead = response.readBytesWireFormat(validBuffer, 0);

        assertTrue(bytesRead > 0);
        assertEquals(0x0302, response.getDialectRevision()); // SMB 3.0.2
        assertTrue(response.getMaxTransactSize() > 0);
        assertTrue(response.getMaxTransactSize() <= 16777216); // Within validated limits
    }

    /**

                r.decode(this.sbuf, 4);
                r.received();

                if (r.getDialectRevision() == Smb2Constants.SMB2_DIALECT_ANY) {
                    return negotiate2(r);
                } else if (r.getDialectRevision() != Smb2Constants.SMB2_DIALECT_0202) {
                    throw new CIFSException("Server returned invalid dialect verison in multi protocol negotiation");

                        }
                        Smb2SigningDigest dgst =
                                new Smb2SigningDigest(this.sessionKey, negoResp.getDialectRevision(), this.preauthIntegrityHash);
                        // verify the server signature here, this is not done automatically as we don't set the
                        // request digest