/**
     * Set the serializer.
     * @param serializer the serializer function to convert raw data to byte array
     */
    public void setSerializer(final Function<Object, byte[]> serializer) {
        this.serializer = serializer;
    }

    /**
     * Get the data.
     * @return data
     */
    public byte[] getData() {
        if (data == null) {
            if (serializer == null || rawData == null) {

    }

    @Override
    protected int writeSetupWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeParametersWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override

    @Test
    public void testHandleGuidInvalidBytes() {
        assertThrows(IllegalArgumentException.class, () -> {
            new HandleGuid(new byte[8]); // Wrong length
        });

        assertThrows(IllegalArgumentException.class, () -> {
            new HandleGuid(new byte[20]); // Wrong length
        });
    }

    @Test
    public void testHandleGuidEqualsAndHashCode() {
        UUID uuid = UUID.randomUUID();

        }

        // Methods from CommonServerMessageBlock interface
        @Override
        public int decode(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
            return 0;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override
        public void setDigest(SMBSigningDigest digest) {

            )
          } else if (gzippedLength != null) {
            logger.log("--> END ${request.method} (${buffer.size}-byte, $gzippedLength-gzipped-byte body)")
          } else {
            logger.log(buffer.readString(charset))
            logger.log("--> END ${request.method} (${requestBody.contentLength()}-byte body)")
          }
        }
      }

  }

  /** Returns a byte array of length size that has values 0 .. size - 1. */
  static byte[] newPreFilledByteArray(int size) {
    return newPreFilledByteArray(0, size);
  }

  /** Returns a byte array of length size that has values offset .. offset + size - 1. */
  static byte[] newPreFilledByteArray(int offset, int size) {
    byte[] array = new byte[size];
    for (int i = 0; i < size; i++) {

func (z ExpirationOptions) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	// map header, size 1
	// string "Expire"
	o = append(o, 0x81, 0xa6, 0x45, 0x78, 0x70, 0x69, 0x72, 0x65)
	o = msgp.AppendBool(o, z.Expire)
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *ExpirationOptions) UnmarshalMsg(bts []byte) (o []byte, err error) {
	var field []byte
	_ = field
	var zb0001 uint32

     */
    public SID readId() throws IOException, PACDecodingException {
        final byte[] bytes = new byte[4];
        readFully(bytes);

        final byte[] sidBytes = new byte[8 + bytes.length];
        sidBytes[0] = 1;
        sidBytes[1] = (byte) (bytes.length / 4);
        System.arraycopy(new byte[] { 0, 0, 0, 0, 0, 5 }, 0, sidBytes, 2, 6);
        System.arraycopy(bytes, 0, sidBytes, 8, bytes.length);

    static class TestSpnegoToken extends SpnegoToken {
        private boolean parsed = false;

        @Override
        public byte[] toByteArray() {
            byte[] tok = getMechanismToken();
            return tok == null ? new byte[0] : tok;
        }

        @Override
        protected void parse(byte[] token) throws IOException {
            if (token == null) {
                throw new IOException("token is null");
            }

        dst[dstIndex] = (byte) 0x00;
        dstIndex++;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        dst[dstIndex++] = (byte) 0x00;
        SMBUtil.writeInt4(this.capabilities, dst, dstIndex);
        dstIndex += 4;

        return dstIndex - start;
    }

    @Override
    protected int writeBytesWireFormat(final byte[] dst, int dstIndex) {