<function-signature>java.lang.String sdh(java.lang.String)</function-signature>
    <example>${fe:sdh(doc.similar_docs_hash)}</example>
  </function>

  <function>
    <description>Concatenate strings.</description>
    <name>join</name>
    <function-class>org.codelibs.fess.taglib.FessFunctions</function-class>
    <function-signature>java.lang.String join(java.lang.Object)</function-signature>

        synonymItem.setNewInputs(StringUtil.EMPTY_STRINGS);
        synonymItem.setNewOutputs(StringUtil.EMPTY_STRINGS);
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    protected void reload(final SynonymUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {

    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE, form.dictId);
        validate(form, messages -> {}, this::asEditHtml);
        verifyToken(this::asEditHtml);
        createCharMappingItem(form, this::asEditHtml).ifPresent(entity -> {
            try {
                charMappingService.store(form.dictId, entity);

    }

    public void setUserCheckInterval(final long userCheckInterval) {
        this.userCheckInterval = userCheckInterval;
    }

    public void setUserInfoCacheSize(final int userInfoCacheSize) {
        this.userInfoCacheSize = userInfoCacheSize;
    }

    public void setLoggerName(final String loggerName) {
        this.loggerName = loggerName;
    }

            this.basePath = basePath;
            this.imageExtention = imageExtention;
            this.expiry = expiry;
            this.fessConfig = ComponentUtil.getFessConfig();
            this.maxPurgeSize = fessConfig.getPageThumbnailPurgeMaxFetchSizeAsInteger();
            this.searchEngineClient = ComponentUtil.getSearchEngineClient();
        }

            });
        } catch (final ExecutionException e) {
            logger.warn("Failed to process a group cache.", e);
            return new Pair<>(StringUtil.EMPTY_STRINGS, StringUtil.EMPTY_STRINGS);
        }
    }

    protected void processGroup(final AzureAdUser user, final List<String> groupList, final List<String> roleList, final String id) {

                final String[] toAddresses;
                if (StringUtil.isNotBlank(toStrs)) {
                    toAddresses = toStrs.split(",");
                } else {
                    toAddresses = StringUtil.EMPTY_STRINGS;
                }
                final NotificationHelper notificationHelper = ComponentUtil.getNotificationHelper();
                SMailCallbackContext.setPreparedMessageHookOnThread(notificationHelper::send);

    public HtmlResponse create(final CreateForm form) {
        verifyCrudMode(form.crudMode, CrudMode.CREATE, form.dictId);
        validate(form, messages -> {}, this::asEditHtml);
        verifyToken(this::asEditHtml);
        createSynonymItem(form, this::asEditHtml).ifPresent(entity -> {
            try {
                synonymService.store(form.dictId, entity);

        mappingItem.setNewInputs(StringUtil.EMPTY_STRINGS);
        mappingItem.setNewOutput(StringUtil.EMPTY);
        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    protected void reload(final MappingUpdater updater) {
        try (CurlResponse curlResponse = dictionaryManager.getContentResponse(this)) {

                }
                if (!langSet.isEmpty()) {
                    return langSet.toArray(new String[langSet.size()]);
                }
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    public OptionalEntity<Map<String, Object>> getDocumentByDocId(final String docId, final String[] fields,
            final OptionalThing<FessUserBean> userBean) {