byte[] quad = textToNumericFormatV4(dottedQuad);
    if (quad == null) {
      return null;
    }
    String penultimate = Integer.toHexString(((quad[0] & 0xff) << 8) | (quad[1] & 0xff));
    String ultimate = Integer.toHexString(((quad[2] & 0xff) << 8) | (quad[3] & 0xff));
    return initialPart + penultimate + ":" + ultimate;
  }

  private static byte parseOctet(String ipString, int start, int end) {

    // Disable the timeout to read the first byte of a new frame.
    val b0: Int
    val timeoutBefore = source.timeout().timeoutNanos()
    source.timeout().clearTimeout()
    try {
      b0 = source.readByte() and 0xff
    } finally {
      source.timeout().timeout(timeoutBefore, TimeUnit.NANOSECONDS)
    }

    opcode = b0 and B0_MASK_OPCODE
    isFinalFrame = b0 and B0_FLAG_FIN != 0

        }
        if (length < 0) {
            throw new EOFException("EOF found when length expected");
        }
        if (0xFF == length) {
            throw new IOException("invalid long form definite-length 0xFF");
        }

        final int octetsCount = length & 0x7F;
        int octetsPos = 0;

        length = 0;
        do {
            final int octet = s.read();
            if (octet < 0) {

        dataOffset = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        dataDisplacement = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((setupCount != 0) && (LogStream.level >= 3)) {
            log.println("setupCount is not zero: " + setupCount);
        }

        return bufferIndex - start;
    }

        // Write test data at the specified offset
        byte[] testData = new byte[dataLength];
        for (int i = 0; i < dataLength; i++) {
            testData[i] = (byte) (i & 0xFF);
        }
        System.arraycopy(testData, 0, buffer, dataOffsetFromHeader, dataLength);

        // Use reflection to set headerStart

        byte[] responseBuffer = negotiation.getResponseRaw();

        // Modify the buffers
        requestBuffer[0] = (byte) 0xFF;
        responseBuffer[0] = (byte) 0xEE;

        // Verify modifications are reflected
        assertEquals((byte) 0xFF, negotiation.getRequestRaw()[0]);
        assertEquals((byte) 0xEE, negotiation.getResponseRaw()[0]);
    }

    @Test

    require(streamId and 0x80000000.toInt() == 0) { "reserved bit set: $streamId" }
    sink.writeMedium(length)
    sink.writeByte(type and 0xff)
    sink.writeByte(flags and 0xff)
    sink.writeInt(streamId and 0x7fffffff)
  }

  @Throws(IOException::class)
  override fun close() {
    withLock {
      closed = true
      sink.close()
    }
  }

     */
    public void enc_ndr_small(final int s) {
        buf[index] = (byte) (s & 0xFF);
        advance(1);
    }

    /**
     * Decodes a small integer (1 byte) from NDR format.
     *
     * @return the decoded small integer value
     */
    public int dec_ndr_small() {
        final int val = buf[index] & 0xFF;
        advance(1);
        return val;
    }

    /**

  private double[] dataset(int i) {
    // We must test on a fresh clone of the dataset each time. Doing sorts and quickselects on a
    // dataset which is already sorted or partially sorted is cheating.
    return datasets[i & 0xFF].clone();
  }

  @Benchmark
  double median(int reps) {
    double dummy = 0.0;
    for (int i = 0; i < reps; i++) {
      dummy += algorithm.singleQuantile(1, 2, dataset(i));
    }
    return dummy;
  }

            if (TOK_ID[i] != buf[i]) {
                throw new IllegalArgumentException();
            }
        }
        // MECH_OID_LEN
        len = 0xff00 & buf[i] << 8;
        i++;
        len |= 0xff & buf[i++];

        // MECH_OID
        if (buf.length < i + len) {
            throw new IllegalArgumentException();
        }
        final byte[] bo = new byte[len];
        System.arraycopy(buf, i, bo, 0, len);