final RequestManager requestManager = ComponentUtil.getRequestManager();
            try {
                requestManager.findUserBean(FessUserBean.class)
                        .ifPresent(fessUserBean -> stream(fessUserBean.getPermissions()).of(stream -> stream.forEach(roleSet::add)))
                        .orElse(() -> {

     * @return JSON response confirming deletion
     */
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        accessTokenService.getAccessToken(id).ifPresent(entity -> {
            try {
                accessTokenService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {

     */
    // DELETE /api/admin/webconfig/setting/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        webConfigService.getWebConfig(id).ifPresent(entity -> {
            try {
                webConfigService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {

            if (user.hasRoles(ComponentUtil.getFessConfig().getAuthenticationAdminRolesAsArray())) {
                return Constants.SEARCH_PREFERENCE_LOCAL;
            }
            return user.getUserId();
        }).ifPresent(p -> searchRequestBuilder.setPreference(p)).orElse(() -> LaRequestUtil.getOptionalRequest().map(r -> {
            final HttpSession session = r.getSession(false);
            if (session != null) {

     */
    @Execute
    public JsonResponse<ApiResult> list(final OptionalThing<String> id) {
        final List<Map<String, Object>> list = getFileItems(id.isPresent() ? decodePath(id.get()) : null);
        try {
            return asJson(new ApiResult.ApiStorageResponse().items(list).status(ApiResult.Status.OK).result());
        } catch (final ResultOffsetExceededException e) {

    assertEquals(expected.length(), source.length());
  }

  public void testLengthIfKnown() throws IOException {
    Optional<Long> lengthIfKnown = source.lengthIfKnown();
    if (lengthIfKnown.isPresent()) {
      assertEquals(expected.length(), (long) lengthIfKnown.get());
    }
  }

  public void testReadLines_withProcessor() throws IOException {
    List<String> list =
        source.readLines(

                }
            }
        };
        Optional<Activation> root = Optional.of(activation);
        stk.push(new ActivationFrame("activation", root));
        root.map(Activation::getFile).ifPresent(fa -> {
            stk.push(new ActivationFrame("file", Optional.of(fa)));
            stk.push(new ActivationFrame("exists", Optional.empty()));
            validator.accept(fa.getExists());

     *
     * @return ActionResponse directing to the appropriate page based on authentication result
     */
    @Execute
    public ActionResponse index() {
        if (fessLoginAssist.getSavedUserBean().isPresent()) {
            return redirectToSearchPage().orElseGet(() -> {
                if (logger.isDebugEnabled()) {
                    logger.debug("User is already logged in, redirecting to root.");
                }

     * @return JSON response with deletion status
     */
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String id) {
        fileConfigService.getFileConfig(id).ifPresent(entity -> {
            try {
                fileConfigService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {

     */
    // DELETE /api/admin/dict/stopwords/setting/{dictId}/{id}
    @Execute
    public JsonResponse<ApiResult> delete$setting(final String dictId, final long id) {
        stopwordsService.getStopwordsItem(dictId, id).ifPresent(entity -> {
            stopwordsService.delete(dictId, entity);
            saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
        }).orElse(() -> {