protected void doReceiveFragment(final byte[] buf, final boolean isDirect) throws IOException {
        int off, flags, length;

        if (buf.length < max_recv) {
            throw new IllegalArgumentException("buffer too small");
        }

        if (isStart && !isDirect) { // start of new frag, do trans
            off = in.read(buf, 0, 1024);
        } else {
            off = in.readDirect(buf, 0, buf.length);
        }

    void writeParametersWireFormat_writesCorrectly(int fid, int securityInformation) {
        NtTransQuerySecurityDesc cmd = new NtTransQuerySecurityDesc(fid, securityInformation);
        byte[] dst = new byte[15]; // Increased buffer size to accommodate offset + 8 bytes
        int offset = 3; // start in the middle to ensure no tail is overwritten
        int bytesWritten = cmd.writeParametersWireFormat(dst, offset);

   * write to {@code sink()} and close it to complete the post.
   */
  static final class PipeBody extends RequestBody {
    private final Pipe pipe = new Pipe(8192);
    private final BufferedSink sink = Okio.buffer(pipe.sink());

    public BufferedSink sink() {
      return sink;
    }

    @Override public MediaType contentType() {
      return MEDIA_TYPE_MARKDOWN;
    }

    }

    @Test
    @DisplayName("initSecContext with null buffer and non-zero len throws NPE")
    void testInitSecContextNullBufferNonZeroLen() throws Exception {
        SpnegoContext ctx = newContext();
        // A null buffer with non-zero len leads to NPE while slicing input
        assertThrows(NullPointerException.class, () -> ctx.initSecContext(null, 0, 1));

        // This check is imperfect: it doesn't tell us whether a handshake will succeed, just
        // that it will almost certainly fail because the proxy has sent unexpected data.
        if (!socket.source.buffer.exhausted() || !socket.sink.buffer.exhausted()) {
          throw IOException("TLS tunnel buffered too many bytes!")
        }

        call.eventListener.secureConnectStart(call)

     */
    public Smb2RdmaTransform getTransform() {
        return transform;
    }

    /**
     * Encode to byte array for SMB2 READ/WRITE channel info
     *
     * @param dst destination buffer
     * @param dstIndex starting index
     * @return number of bytes written
     */
    public int encode(byte[] dst, int dstIndex) {
        return transform.encode(dst, dstIndex);
    }

    @Override

     */
    public void setMaxUncompressionSize(final long maxUncompressionSize) {
        this.maxUncompressionSize = maxUncompressionSize;
    }

    /**
     * Sets the initial buffer size.
     * @param initialBufferSize The initial buffer size.
     */
    public void setInitialBufferSize(final int initialBufferSize) {
        this.initialBufferSize = initialBufferSize;
    }

    /**

    private static final Logger log = LoggerFactory.getLogger(Transport.class);

    /**
     * Read bytes from the input stream into a buffer
     *
     * @param in the input stream to read from
     * @param b the buffer to read into
     * @param off the offset in the buffer to start writing
     * @param len the number of bytes to read
     * @return number of bytes read
     * @throws IOException if an I/O error occurs

    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#readBytesWireFormat(byte[], int)
     */
    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

	return os.OpenFile(filePath, flag, perm)
}

// DisableDirectIO is a no-op
func DisableDirectIO(f *os.File) error {
	return nil
}

// AlignedBlock simply returns an unaligned buffer
// for systems that do not support DirectIO.
func AlignedBlock(blockSize int) []byte {
	return make([]byte, blockSize)