@Execute
    @Secured({ ROLE })
    public HtmlResponse reindexOnly(final ActionForm form) {
        validate(form, messages -> {}, this::asIndexHtml);
        verifyToken(this::asIndexHtml);
        if (startReindex(isCheckboxEnabled(form.replaceAliases), isCheckboxEnabled(form.resetDictionaries), form.numberOfShardsForDoc,
                form.autoExpandReplicasForDoc)) {

 */
internal fun String.indexOfLastNonAsciiWhitespace(
  startIndex: Int = 0,
  endIndex: Int = length,
): Int {
  for (i in endIndex - 1 downTo startIndex) {
    when (this[i]) {
      '\t', '\n', '\u000C', '\r', ' ' -> Unit
      else -> return i + 1
    }
  }
  return startIndex
}

    }
    elementsToInsert = Helpers.cycle(elementsToInsertIterable);
    this.features = copyToSet(features);
    this.expectedElements = copyToList(expectedElements);
    this.knownOrder = knownOrder;
    this.startIndex = startIndex;
  }

  /**
   * I'd like to make this a parameter to the constructor, but I can't because the stimulus
   * instances refer to {@code this}.
   */

                  : Lists.reverse(distinctCandidatesByAscendingSize));
      for (int startIndex = 0;
          startIndex < distinctCandidatesByAscendingSize.size();
          startIndex++) {
        Iterable<ImmutableSet<String>> infiniteSetsFromStartIndex =
            Iterables.skip(infiniteSets, startIndex);
        for (boolean inputIsSet : new boolean[] {true, false}) {
          Collection<String> input =

   * end).trimmed()}.
   */
  public ImmutableLongArray subArray(int startIndex, int endIndex) {
    Preconditions.checkPositionIndexes(startIndex, endIndex, length());
    return startIndex == endIndex
        ? EMPTY
        : new ImmutableLongArray(array, start + startIndex, start + endIndex);
  }

  @IgnoreJRERequirement // used only from APIs that use streams
  /*

   * end).trimmed()}.
   */
  public ImmutableIntArray subArray(int startIndex, int endIndex) {
    Preconditions.checkPositionIndexes(startIndex, endIndex, length());
    return startIndex == endIndex
        ? EMPTY
        : new ImmutableIntArray(array, start + startIndex, start + endIndex);
  }

  /*

    List<Integer> addItems = ImmutableList.of(99, 88, 77);

    for (int startIndex : new int[] {0, 3, 5}) {
      new ListIteratorTester<Integer>(
          3,
          addItems,
          ImmutableList.of(SUPPORTS_REMOVE, SUPPORTS_SET),
          Lists.newArrayList(2, 3, 4, 5, 6),
          startIndex) {
        private @Nullable LinkedListMultimap<String, Integer> multimap;

        @Override

    }
    elementsToInsert = Helpers.cycle(elementsToInsertIterable);
    this.features = copyToSet(features);
    this.expectedElements = copyToList(expectedElements);
    this.knownOrder = knownOrder;
    this.startIndex = startIndex;
  }

  /**
   * I'd like to make this a parameter to the constructor, but I can't because the stimulus
   * instances refer to {@code this}.
   */

  )
}

/**
 * Returns the next index in this at or after [startIndex] that is a character from
 * [characters]. Returns the input length if none of the requested characters can be found.
 */
private fun String.indexOfElement(
  characters: String,
  startIndex: Int = 0,
): Int {
  for (i in startIndex until length) {
    if (this[i] in characters) {
      return i
    }
  }

    } else if (b != 0) {
      // Group separator ":" delimiter.
      if (input.startsWith(":", startIndex = i)) {
        i++
      } else if (input.startsWith(".", startIndex = i)) {
        // If we see a '.', rewind to the beginning of the previous group and parse as IPv4.
        if (!decodeIpv4Suffix(input, groupOffset, limit, address, b - 2)) return null
        b += 2 // We rewound two bytes and then added four.