return new AsyncCallable<Integer>() {
      @Override
      public ListenableFuture<Integer> call() throws Exception {
        return Futures.transform(future, add(delta), executor);
      }
    };
  }

  private static final class LongHolder {
    long count;
  }

  private static final int ITERATION_COUNT = 50_000;

            + "^\\s*ios-app:|" //
            + "^\\s*callto:", Pattern.CASE_INSENSITIVE);

    private final ThreadLocal<XPathAPI> xpathAPI = new ThreadLocal<>();

    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

        // encoding

    protected Map<String, String> metaContentMapping;

    protected FessConfig fessConfig;

    protected abstract Extractor getExtractor(ResponseData responseData);

    @Override
    public ResultData transform(final ResponseData responseData) {
        if (responseData == null || !responseData.hasResponseBody()) {
            throw new CrawlingAccessException("No response body.");
        }

      Header("referer", ""),
      Header("refresh", ""),
      Header("retry-after", ""),
      Header("server", ""),
      Header("set-cookie", ""),
      Header("strict-transport-security", ""),
      Header("transfer-encoding", ""),
      Header("user-agent", ""),
      Header("vary", ""),
      Header("via", ""),
      Header("www-authenticate", ""),
    )

  val NAME_TO_FIRST_INDEX = nameToFirstIndex()

  }

  @Test
  fun nonHexadecimalChunkSize() {
    server.enqueue(
      MockResponse()
        .setBody("G\r\nxxxxxxxxxxxxxxxx\r\n0\r\n\r\n")
        .clearHeaders()
        .addHeader("Transfer-encoding: chunked"),
    )
    val connection = server.url("/").toUrl().openConnection()
    val inputStream = connection.getInputStream()
    try {
      inputStream.read()
      fail<Any>()

  }

  @Test
  fun nonHexadecimalChunkSize() {
    server.enqueue(
      MockResponse.Builder()
        .body("G\r\nxxxxxxxxxxxxxxxx\r\n0\r\n\r\n")
        .clearHeaders()
        .addHeader("Transfer-encoding: chunked")
        .build(),
    )
    val connection = server.url("/").toUrl().openConnection()
    try {
      connection.getInputStream().read()
      fail<Unit>()

	SUB	$-2047, X5				// 9382f27f
	SUB	$2048, X5				// 93820280

	SRA	X6, X5, X7				// b3d36240
	SRA	X5, X6					// 33535340
	SRA	$1, X5, X6				// 13d31240
	SRA	$1, X5					// 93d21240

	// 2.5: Control Transfer Instructions
	JAL	X5, 2(PC)				// ef028000
	JALR	X6, (X5)				// 67830200
	JALR	X6, 4(X5)				// 67834200
	BEQ	X5, X6, 2(PC)				// 63846200
	BNE	X5, X6, 2(PC)				// 63946200
	BLT	X5, X6, 2(PC)				// 63c46200

   *
   * @throws NullPointerException if the function returns {@code null}
   * @since 12.0
   */
  public abstract <V> Optional<V> transform(Function<? super T, V> function);

  /**
   * Returns {@code true} if {@code object} is an {@code Optional} instance, and either the

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      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their
      Contribution(s) alone or by combination of their Contribution(s)

      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
      (except as stated in this section) patent license to make, have made,
      use, offer to sell, sell, import, and otherwise transfer the Work,
      where such license applies only to those patent claims licensable
      by such Contributor that are necessarily infringed by their
      Contribution(s) alone or by combination of their Contribution(s)