@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)) {

}


private
fun <T> List<T>.indexOfFirst(startIndex: Int, predicate: (T) -> Boolean): Int {
    require(startIndex in indices) {
        "startIndex must be in range [0, $size): $startIndex"
    }
    return this.subList(startIndex, size).indexOfFirst(predicate).let {
        if (it == -1) -1 else it + startIndex
    }
}


private
fun File.asClickableFileUrl(): String {

                  : 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 =

    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}.
   */

    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}.
   */

        final int earliest = Math.max(0, history.size() - maxMessages);
        int startIndex = history.size();

        for (int i = history.size() - 1; i >= earliest; i--) {
            final int msgLen = history.get(i).getContent().length();
            if (msgLen <= remaining) {
                remaining -= msgLen;
                startIndex = i;
            } else {
                break;
            }
        }