int writeDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readSetupWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int readParametersWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int readDataWireFormat( byte[] buffer, int bufferIndex, int len ) {
        if( pipe.pipeIn != null ) {

      headersBuilder.removeAll(name)
    }

  fun getBody(): Buffer? = body?.clone()

  fun setBody(body: Buffer) =
    apply {
      setHeader("Content-Length", body.size)
      this.body = body.clone() // Defensive copy.
    }

  fun setBody(body: String): MockResponse = setBody(Buffer().writeUtf8(body))

  fun setChunkedBody(
    body: Buffer,
    maxChunkSize: Int,
  ) = apply {

	}
	if buffered := wr.Buffered(); buffered != wantBuffered {
		t.Fatalf("Buffered = %v; want %v", buffered, wantBuffered)
	}
}

func BenchmarkReaderCopyOptimal(b *testing.B) {
	// Optimal case is where the underlying reader implements io.WriterTo
	srcBuf := bytes.NewBuffer(make([]byte, 8192))
	src := NewReader(srcBuf)
	dstBuf := new(bytes.Buffer)
	dst := onlyWriter{dstBuf}

    /**
     * Read into buffer from current position
     * 
     * @param b
     *            buffer
     * @return number of bytes read
     * @throws SmbException
     */
    int read ( byte[] b ) throws SmbException;


    /**
     * Read into buffer from current position
     * 
     * @param b
     *            buffer
     * @param off
     *            offset into buffer

  private val controlFrameBuffer = Buffer()
  private val messageFrameBuffer = Buffer()

  /** Lazily initialized on first use. */
  private var messageInflater: MessageInflater? = null

  // Masks are only a concern for server writers.
  private val maskKey: ByteArray? = if (isClient) null else ByteArray(4)
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) null else Buffer.UnsafeCursor()

  interface FrameCallback {

    @Override
    protected int readBytesWireFormat ( byte[] buffer, int bufferIndex ) throws SMBProtocolDecodingException {
        int start = bufferIndex;
        int structureSize = SMBUtil.readInt2(buffer, bufferIndex);
        if ( structureSize != 24 ) {
            throw new SMBProtocolDecodingException("Expected structureSize = 24");
        }

        this.oplockLevel = buffer[ bufferIndex + 2 ];
        bufferIndex += 4;

    }

    @Override
    protected void process(ByteBuffer buffer) {
      b += CHUNK_SIZE;
      processM(buffer.getLong());
    }

    @Override
    protected void processRemaining(ByteBuffer buffer) {
      b += buffer.remaining();
      for (int i = 0; buffer.hasRemaining(); i += 8) {
        finalM ^= (buffer.get() & 0xFFL) << i;
      }
    }

    @Override

                log.println( "TransCallNamedPipe data too long for buffer" );
            return 0;
        }
        System.arraycopy( pipeData, pipeDataOff, dst, dstIndex, pipeDataLen );
        return pipeDataLen;
    }
    int readParametersWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int readDataWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }

    update(b, 0, b.length);
  }

  /** Updates this hasher with {@code len} bytes starting at {@code off} in the given buffer. */
  protected void update(byte[] b, int off, int len) {
    for (int i = off; i < off + len; i++) {
      update(b[i]);
    }
  }

  /** Updates this hasher with bytes from the given buffer. */
  protected void update(ByteBuffer b) {
    if (b.hasArray()) {

            log.debug("TransCallNamedPipe data too long for buffer");
            return 0;
        }
        System.arraycopy(this.pipeData, this.pipeDataOff, dst, dstIndex, this.pipeDataLen);
        return this.pipeDataLen;
    }


    @Override
    protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }


    @Override