* Provides centralized access to various helpers, managers, and services throughout the Fess application.
 */
public final class ComponentUtil {

    private static final Logger logger = LogManager.getLogger(ComponentUtil.class);

    /** Component map for storing component instances. */
    private static Map<String, Object> componentMap = new HashMap<>();

        suggester = Suggester.builder().settings(settingsBuilder).build(searchEngineClient, fessConfig.getIndexDocumentSuggestIndex());
        if (ComponentUtil.hasPopularWordHelper()) {
            popularWordHelper = ComponentUtil.getPopularWordHelper();
        }
        try {
            suggester.settings().array().delete(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long timeout = fessConfig.getIndexBackupLogLoadTimeoutAsInteger().longValue();
        return writer -> {
            final SearchLogBhv bhv = ComponentUtil.getComponent(SearchLogBhv.class);
            bhv.selectCursor(cb -> {

        if (docList.isEmpty()) {
            return;
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final long execTime = systemHelper.getCurrentTimeAsLong();
        if (logger.isDebugEnabled()) {

    protected OptionalEntity<SearchResponse> sendRequest(final String query, final SearchRequestParams params,
            final OptionalThing<FessUserBean> userBean) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return ComponentUtil.getSearchEngineClient()
                .search(fessConfig.getIndexDocumentSearchIndex(), createSearchCondition(query, params, userBean),

     *
     * @return A list of KeyMatch instances.
     */
    public List<KeyMatch> getAvailableKeyMatchList() {
        return ComponentUtil.getComponent(KeyMatchBhv.class).selectList(cb -> {
            cb.query().matchAll();
            cb.fetchFirst(ComponentUtil.getFessConfig().getPageKeymatchMaxFetchSizeAsInteger());
        });
    }

    /**

        final String query = ComponentUtil.getQueryStringBuilder().params(params).build();

        final QueryContext queryContext = ComponentUtil.getQueryHelper().build(params.getType(), query, context -> {
            context.skipRoleQuery();
        });
        return ComponentUtil.getSearchEngineClient()

        }
        maxDocumentRequestSize = Long.parseLong(ComponentUtil.getFessConfig().getIndexerDataMaxDocumentRequestSize());
        maxDocumentCacheSize = ComponentUtil.getFessConfig().getIndexerDataMaxDocumentCacheSizeAsInteger();
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**

        ComponentUtil.getSearchEngineClient().refresh();

        ComponentUtil.getSuggestHelper().init();
        ComponentUtil.getPopularWordHelper().init();

        ComponentUtil.getLabelTypeHelper().update();
        ComponentUtil.getPathMappingHelper().update();
        ComponentUtil.getRelatedContentHelper().update();
        ComponentUtil.getRelatedQueryHelper().update();

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (searchLogQueue.size() > fessConfig.getLoggingSearchMaxQueueSizeAsInteger()) {
            logger.warn("[{}] The search log queue size is too large. Skipped the search log: {}", queryId, query);
            return;
        }

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();