List<Sink> sinks = new ArrayList<>();
      for (int chunkSize = 4; chunkSize <= 32; chunkSize++) {
        for (int bufferSize = chunkSize; bufferSize <= chunkSize * 4; bufferSize += chunkSize) {
          // yes, that's a lot of sinks!
          sinks.add(new Sink(chunkSize, bufferSize));
          // For convenience, testing only with big endianness, to match DataOutputStream.

      List<Sink> sinks = new ArrayList<>();
      for (int chunkSize = 4; chunkSize <= 32; chunkSize++) {
        for (int bufferSize = chunkSize; bufferSize <= chunkSize * 4; bufferSize += chunkSize) {
          // yes, that's a lot of sinks!
          sinks.add(new Sink(chunkSize, bufferSize));
          // For convenience, testing only with big endianness, to match DataOutputStream.

  private final int chunkSize;

  /**
   * Constructor for use by subclasses. This hasher instance will process chunks of the specified
   * size.
   *
   * @param chunkSize the number of bytes available per {@link #process(ByteBuffer)} invocation;
   *     must be at least 4
   */
  protected AbstractStreamingHasher(int chunkSize) {
    this(chunkSize, chunkSize);
  }

  /**

    headersBuilder.add(CHUNKED_BODY_HEADER)

    val bytesOut = Buffer()
    while (!body.exhausted()) {
      val chunkSize = minOf(body.size, maxChunkSize.toLong())
      bytesOut.writeHexadecimalUnsignedLong(chunkSize)
      bytesOut.writeUtf8("\r\n")
      bytesOut.write(body, chunkSize)
      bytesOut.writeUtf8("\r\n")
    }
    bytesOut.writeUtf8("0\r\n") // Last chunk. Trailers follow!
    this.body = bytesOut

        val bytesOut = Buffer()
        while (!body.exhausted()) {
          val chunkSize = minOf(body.size, maxChunkSize.toLong())
          bytesOut.writeHexadecimalUnsignedLong(chunkSize)
          bytesOut.writeUtf8("\r\n")
          bytesOut.write(body, chunkSize)
          bytesOut.writeUtf8("\r\n")
        }
        bytesOut.writeUtf8("0\r\n") // Last chunk. Trailers follow!

          }

          chunked -> {
            chunkSizes = mutableListOf()
            hasBody = true
            while (true) {
              val chunkSize =
                socket.source
                  .readUtf8LineStrict()
                  .trim()
                  .toInt(16)
              if (chunkSize == 0) {
                readEmptyLine(socket.source)
                break

    
    int chunkSize = length / channelCount;
    List<CompletableFuture<Void>> futures = new ArrayList<>();
    
    for (int i = 0; i < channelCount; i++) {
        final int chunkOffset = i * chunkSize;
        final int chunkLength = (i == channelCount - 1) ? 
            length - chunkOffset : chunkSize;
        final ChannelInfo channel = channels.get(i);
        

      response: MockResponse.Builder,
      content: Buffer?,
      chunkSize: Int,
    )

    abstract fun newRequestBody(body: String): RequestBody

    fun setBody(
      response: MockResponse.Builder,
      content: String?,
      chunkSize: Int,
    ) {
      setBody(response, Buffer().writeUtf8(content!!), chunkSize)
    }
  }

  internal enum class ProxyConfig {

        response: MockResponse.Builder,
        content: Buffer,
        chunkSize: Int,
      ) {
        response.chunkedBody(content, chunkSize)
      }
    },
    FIXED_LENGTH {
      override fun setBody(
        response: MockResponse.Builder,
        content: Buffer,
        chunkSize: Int,
      ) {
        response.body(content)
      }
    },
    END_OF_STREAM {

            // Verify second chunk
            chunkStart += CHUNK_SIZE;
            assertEquals(400L, SMBUtil.readInt8(buffer, chunkStart));
            assertEquals(500L, SMBUtil.readInt8(buffer, chunkStart + 8));
            assertEquals(600, SMBUtil.readInt4(buffer, chunkStart + 16));

            // Verify third chunk
            chunkStart += CHUNK_SIZE;
            assertEquals(700L, SMBUtil.readInt8(buffer, chunkStart));