final int start = bufferIndex;
        if (in.read(buffer, bufferIndex, length) != length) {
            throw new IOException("invalid session request wire format");
        }
        bufferIndex += calledName.readWireFormat(buffer, bufferIndex);
        bufferIndex += callingName.readWireFormat(buffer, bufferIndex);
        return bufferIndex - start;

     */
    private void writeLittleEndianInt(ByteArrayOutputStream baos, int value) {
        ByteBuffer buffer = ByteBuffer.allocate(4);
        buffer.order(ByteOrder.LITTLE_ENDIAN);
        buffer.putInt(value);
        baos.write(buffer.array(), 0, 4);
    }

    /**
     * Test constructor with KERB_CHECKSUM_HMAC_MD5 type.
     *
     * @throws IOException if an I/O error occurs

  PrimitiveSink putBytes(byte[] bytes, int off, int len);

  /**
   * Puts the remaining bytes of a byte buffer into this sink. {@code bytes.position()} is the first
   * byte written, {@code bytes.limit() - 1} is the last. The position of the buffer will be equal
   * to the limit when this method returns.
   *
   * @param bytes a byte buffer
   * @return this instance
   * @since 23.0
   */
  @CanIgnoreReturnValue

        assertEquals(4, SMBUtil.readInt2(buf, offset));
        // Reserved (2 bytes, LE) == 0
        assertEquals(0, SMBUtil.readInt2(buf, offset + 2));
    }

    @Test
    @DisplayName("writeBytesWireFormat throws when buffer too small")
    void writeBytesWireFormat_throwsIfInsufficientSpace() {
        // Arrange
        Smb2LogoffRequest req = newRequest();
        byte[] tiny = new byte[3]; // less than 4 bytes available

    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

    int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {

     */
    @Override
    protected void haveResponse(final byte[] buffer, final int start, final int len) throws SMBProtocolDecodingException {
        if (isRetainPayload()) {
            final byte[] payload = new byte[len];
            System.arraycopy(buffer, start, payload, 0, len);
            setRawPayload(payload);
        }

        if (!verifySignature(buffer, start, len)) {

        return new Smb2WriteResponse(tc.getConfig());
    }

    /**
     * Sets the data to be written to the file.
     *
     * @param data the data buffer to write
     * @param offset the offset in the data buffer
     * @param length the number of bytes to write
     */
    public void setData(final byte[] data, final int offset, final int length) {
        this.data = data;

    }

    @Override
    public int read(ByteBuffer buffer, long remoteAddress, int remoteKey, int length) throws IOException {
        if (state != RdmaConnectionState.ESTABLISHED) {
            throw new IOException("Connection not established");
        }

        try {
            // In real implementation, this would perform RDMA read into the buffer

                    fieldName = null;
                }
                buffer.setLength(0);
            } else if ("list".equals(qName)) {
                if (fieldName != null && !dataMap.containsKey(fieldName)) {
                    dataMap.put(fieldName, new ArrayList<>());
                }
            } else if ("item".equals(qName)) {
                buffer.setLength(0);
            }
        }

        @Override