* @param dictId      The ID of the dictionary.
     * @param synonymItem The synonym item to store.
     */
    public void store(final String dictId, final SynonymItem synonymItem) {
        getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {
                file.insert(synonymItem);
            } else {
                file.update(synonymItem);
            }
        });
    }

    /**

     * @param stemmerOvberrideItem The stemmer override item to store
     */
    public void store(final String dictId, final StemmerOverrideItem stemmerOvberrideItem) {
        getStemmerOverrideFile(dictId).ifPresent(file -> {
            if (stemmerOvberrideItem.getId() == 0) {
                file.insert(stemmerOvberrideItem);
            } else {
                file.update(stemmerOvberrideItem);
            }
        });

        ArrayList<CIInfo> result = ServiceLoader.load(CIDetector.class).stream()
                .map(ServiceLoader.Provider::get)
                .map(CIDetector::detectCI)
                .filter(Optional::isPresent)
                .map(Optional::get)
                .collect(Collectors.toCollection(ArrayList::new));

        if (result.size() > 1) {
            // remove generic

     * @param charMappingItem the character mapping item to store
     */
    public void store(final String dictId, final CharMappingItem charMappingItem) {
        getCharMappingFile(dictId).ifPresent(file -> {
            if (charMappingItem.getId() == 0) {
                file.insert(charMappingItem);
            } else {
                file.update(charMappingItem);
            }
        });
    }

                    .setProcessPlugins(request.isProcessPlugins());
            ProjectBuildingResult res;
            if (request.getPath().isPresent()) {
                Path path = request.getPath().get();
                res = builder.build(path.toFile(), req);
            } else if (request.getSource().isPresent()) {
                Source source = request.getSource().get();
                ModelSource2 modelSource = new SourceWrapper(source);

        final long requestedTime = startTime;

        final SearchRequestParams params = rewrite(searchRequestParams);

        LaRequestUtil.getOptionalRequest().ifPresent(request -> {
            request.setAttribute(Constants.REQUEST_LANGUAGES, params.getLanguages());
            request.setAttribute(Constants.REQUEST_QUERIES, params.getQuery());
        });

     */
    // PUT /api/admin/scheduler/{id}/start
    @Execute(urlPattern = "{}/@word")
    public JsonResponse<ApiResult> put$start(final String id) {
        scheduledJobService.getScheduledJob(id).ifPresent(entity -> {
            if (!entity.isEnabled() || entity.isRunning()) {
                throwValidationErrorApi(messages -> {
                    messages.addErrorsFailedToStartJob(GLOBAL, entity.getName());
                });

   * otherwise returns an empty stream.
   */
  public static <T> Stream<T> stream(com.google.common.base.Optional<T> optional) {
    return optional.isPresent() ? Stream.of(optional.get()) : Stream.empty();
  }

  /**
   * If a value is present in {@code optional}, returns a stream containing only that element,
   * otherwise returns an empty stream.
   *

  @SuppressWarnings("unchecked") // implementation is "fully variant"
  static <T> Optional<T> withType() {
    return (Optional<T>) INSTANCE;
  }

  private Absent() {}

  @Override
  public boolean isPresent() {
    return false;
  }

  @Override
  public T get() {
    throw new IllegalStateException("Optional.get() cannot be called on an absent value");
  }

  @Override
  public T or(T defaultValue) {

   *
   * @throws IOException if an I/O error occurs
   * @since 15.0
   */
  public boolean isEmpty() throws IOException {
    Optional<Long> sizeIfKnown = sizeIfKnown();
    if (sizeIfKnown.isPresent()) {
      return sizeIfKnown.get() == 0L;
    }
    Closer closer = Closer.create();
    try {
      InputStream in = closer.register(openStream());
      return in.read() == -1;
    } catch (Throwable e) {