if (buf.length < i + NAME_LEN_SIZE) {
            throw new IllegalArgumentException();
        }
        len = 0xff000000 & buf[i++] << 24;
        len |= 0x00ff0000 & buf[i++] << 16;
        len |= 0x0000ff00 & buf[i++] << 8;
        len |= 0x000000ff & buf[i++];

        // NAME
        if (buf.length < i + len) {
            throw new IllegalArgumentException();
        }
        this.name = new String(buf, i, len);

         * in sbuf will be preserved for copying into BUF in doRecv().
         */

        return key;
    }

    @Override
    protected void doSend(final Request request) throws IOException {
        synchronized (BUF) {
            ServerMessageBlock smb = (ServerMessageBlock) request;
            final int n = smb.encode(BUF, 4);
            Encdec.enc_uint32be(n & 0xFFFF, BUF, 0); /* 4 byte session message header */

        assertArgumentNotNull("element", element);
        assertArgumentNotNull("buf", buf);

        final String tag = element.getTagName();
        buf.append('<');
        buf.append(tag);
        appendAttrs(element.getAttributes(), buf);
        buf.append('>');
        appendChildren(element.getChildNodes(), buf);
        buf.append("</");
        buf.append(tag);

    }

    val questionCount = buf.readShort().toInt() and 0xffff
    val answerCount = buf.readShort().toInt() and 0xffff
    buf.readShort() // authority record count
    buf.readShort() // additional record count

    for (i in 0 until questionCount) {
      skipName(buf) // name
      buf.readShort() // type
      buf.readShort() // class
    }

    for (i in 0 until answerCount) {

      h ^= fingerprint(buf, bufLen);
      h = remix(h);
      buf[bufLen++] = getChar(h);

      int x0 = buf[bufLen - 1] & 0xff;
      int x1 = buf[bufLen - 2] & 0xff;
      int x2 = buf[bufLen - 3] & 0xff;
      int x3 = buf[bufLen / 2] & 0xff;
      buf[((x0 << 16) + (x1 << 8) + x2) % bufLen] ^= x3;
      buf[((x1 << 16) + (x2 << 8) + x3) % bufLen] ^= i % 256;
    }

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

        if (buf[0] != 5 && buf[1] != 0) {
            throw new IOException("Unexpected DCERPC PDU header");
        }

        flags = buf[3] & 0xFF;
        // next read is start of new frag

// the incoming AWS Signature V4 streaming signature.
func (cr *s3UnsignedChunkedReader) Read(buf []byte) (n int, err error) {
	// First, if there is any unread data, copy it to the client
	// provided buffer.
	if cr.offset > 0 {
		n = copy(buf, cr.buffer[cr.offset:])
		if n == len(buf) {
			cr.offset += n
			return n, nil
		}
		cr.offset = 0
		buf = buf[n:]
	}
	// mustRead reads from input and compares against provided slice.

    byte[] buf = new byte[] {'y', 'a', 'm', 's'};
    HashingOutputStream out = new HashingOutputStream(hashFunction, buffer);
    out.write(buf);

    verify(hashFunction).newHasher();
    verify(hasher).putBytes(buf, 0, buf.length);
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testWrite_putByteArrayAtPos() throws Exception {
    byte[] buf = new byte[] {'y', 'a', 'm', 's'};

            byte[] buf = new byte[16];

            // Skip advances internal file pointer; next read should use this offset
            in.skip(2);

            // Act
            int n = in.readDirect(buf, 0, 5);

            // Assert
            assertEquals(3, n, "Should report bytes read from SMB2 response");

	BucketOptions
	HeaderSize int
}

// Read implements a throttled read
func (r *MonitoredReader) Read(buf []byte) (n int, err error) {
	if r.throttle == nil {
		return r.r.Read(buf)
	}
	if r.lastErr != nil {
		err = r.lastErr
		return n, err
	}
	b := r.throttle.Burst()  // maximum available tokens
	need := len(buf)         // number of bytes requested by caller
	hdr := r.opts.HeaderSize // remaining header bytes