stream(tags).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);
        stream(roles).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);
        stream(fields).of(stream -> stream.sorted().reduce((l, r) -> l + r).ifPresent(v -> buf.append(v)));
        buf.append(CACHE_KEY_SPLITTER);

   *
   * @throws IllegalStateException if multiple charset values have been set for this media type
   * @throws IllegalCharsetNameException if a charset value is present, but illegal
   * @throws UnsupportedCharsetException if a charset value is present, but no support is available
   *     in this instance of the Java virtual machine
   */
  public Optional<Charset> charset() {

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        validate(form, messages -> {}, this::asDictIndexHtml);
        pageNumber.ifPresent(num -> {
            synonymPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            synonymPager.setCurrentPageNumber(0);
        });

 * whose edges are unique objects.
 *
 * <p>A graph is composed of a set of nodes and a set of edges connecting pairs of nodes.
 *
 * <p>There are three primary interfaces provided to represent graphs. In order of increasing
 * complexity they are: {@link Graph}, {@link ValueGraph}, and {@link Network}. You should generally
 * prefer the simplest interface that satisfies your use case. See the <a

        getStopwordsFile(dictId).ifPresent(file -> {
            if (stopwordsItem.getId() == 0) {
                file.insert(stopwordsItem);
            } else {
                file.update(stopwordsItem);
            }
        });
    }

    public void delete(final String dictId, final StopwordsItem stopwordsItem) {
        getStopwordsFile(dictId).ifPresent(file -> {
            file.delete(stopwordsItem);

        getSynonymFile(dictId).ifPresent(file -> {
            if (synonymItem.getId() == 0) {
                file.insert(synonymItem);
            } else {
                file.update(synonymItem);
            }
        });
    }

    public void delete(final String dictId, final SynonymItem synonymItem) {
        getSynonymFile(dictId).ifPresent(file -> {
            file.delete(synonymItem);
        });

        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            accessTokenPager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            accessTokenPager.setCurrentPageNumber(0);
        });

        return asListHtml();
    }

    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {
        pageNumber.ifPresent(num -> {
            labelTypePager.setCurrentPageNumber(pageNumber.get());
        }).orElse(() -> {
            labelTypePager.setCurrentPageNumber(0);
        });

        for (String selector : projectSelectors) {
            Optional<MavenProject> optSelectedProject =
                    findOptionalProjectBySelector(projects, baseDirectory, selector);
            if (!optSelectedProject.isPresent()) {
                String message = "Could not find the selected project in the reactor: " + selector;
                throw new MavenExecutionException(message, request.getPom());
            }

            if (begin != null) {
                printStats(e.getKey(), data, begin, false);
            }
        });

    }

    public void begin(final Object keyObj) {
        getCacheKey(keyObj).ifPresent(key -> {
            try {
                statsCache.get(key);
            } catch (final Exception e) {
                final StringBuilder buf = createStringBuffer(keyObj, getCurrentTimeMillis());