*
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`
   * auth param, this is up to the caller that interprets these challenges.
   */
  fun challenges(): List<Challenge> {

    void testReservedBytesSkipped(byte reservedValue) throws Exception {
        byte[] buffer = new byte[100];
        int bufferIndex = 0;

        // Set reserved bytes to non-zero values (should be ignored)
        buffer[bufferIndex] = reservedValue;
        buffer[bufferIndex + 1] = reservedValue;
        buffer[bufferIndex + 2] = reservedValue;

        // Set valid data for other fields

     *
     * The string should contain exactly one certificate and one private key in [PKCS #8][rfc_5208]
     * format. It should not contain any other PEM-encoded blocks, but it may contain other text
     * which will be ignored.
     *
     * Encode a held certificate into this format by concatenating the results of
     * [certificatePem()][certificatePem] and [privateKeyPkcs8Pem()][privateKeyPkcs8Pem].
     *

      private V value;
      private Throwable exception;

      /*
       * Acquisition succeeds if the future is done, otherwise it fails.
       */
      @Override
      protected int tryAcquireShared(int ignored) {
        if (isDone()) {
          return 1;
        }
        return -1;
      }

      /*
       * We always allow a release to go through, this means the state has been

     * q-quantile.
     *
     * @param indexes the quantile indexes, each of which must be in the inclusive range [0, q] for
     *     q-quantiles; the order of the indexes is unimportant, duplicates will be ignored, and the
     *     set will be snapshotted when this method is called
     * @throws IllegalArgumentException if {@code indexes} is empty
     */
    public ScaleAndIndexes indexes(int... indexes) {

      int thisSize = 0;
      for (E e : this) {
        try {
          if (!that.contains(e)) {
            return false;
          }
        } catch (NullPointerException | ClassCastException ignored) {
          return false;
        }
        thisSize++;
      } // that.containsAll(this) so that.size() >= this.size()

      if (thisSize == thatMaxSize) {

    checkNotNull(throwable);

    if (allMustSucceed) {
      // As soon as the first one fails, make that failure the result of the output future.
      // The results of all other inputs are then ignored (except for logging any failures).
      boolean completedWithFailure = setException(throwable);
      if (!completedWithFailure) {
        // Go up the causal chain to see if we've already seen this cause; if we have, even if

    @Keep public static final WithPublicConstants SECOND = new WithPublicConstants();
  }

  private static class FirstConstantIsNull {
    // To test that null constant is ignored
    @Keep public static final @Nullable FirstConstantIsNull FIRST = null;

    @Keep public static final FirstConstantIsNull SECOND = new FirstConstantIsNull();
  }

  public static class NonFinalFieldIgnored {

        headerStartField.set(response, 0);

        // When
        int bytesRead = response.readBytesWireFormat(buffer, bodyStart);

        // Then - method should complete without error, Reserved2 is ignored
        assertEquals(dataOffsetFromHeader + 10 - bodyStart, bytesRead);
        assertEquals(10, response.getDataLength());
    }

        closeTimeout = 0;
        if (SO_TIMEOUT != 0) {
            closeTimeout = Math.max(SO_TIMEOUT, timeout);
        }
        // If socket is still good, the new closeTimeout will
        // be ignored; see tryClose comment.
        if (socket == null) {
            socket = new DatagramSocket(lport, laddr);
            thread = new Thread(this, "JCIFS-NameServiceClient");
            thread.setDaemon(true);