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),

    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        if (ComponentUtil.hasIngestFactory()) {
            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**
     * Destroys the IndexUpdater when the container is shutting down.

    @Override
    protected void setUpChild() throws Exception {
        // Get the queryProcessor and queryFieldConfig that were registered in parent class
        queryProcessor = ComponentUtil.getComponent("queryProcessor");
        queryFieldConfig = ComponentUtil.getComponent("queryFieldConfig");

        // Initialize and register PrefixQueryCommand
        queryCommand = new PrefixQueryCommand();
        queryCommand.register();
    }

     * This method is automatically called after bean initialization.
     */
    @PostConstruct
    public void register() {
        final CorsHandlerFactory factory = ComponentUtil.getCorsHandlerFactory();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        fessConfig.getApiCorsAllowOriginList().forEach(s -> factory.add(s, this));
    }

    /**

        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();
        }
    }

    /**

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final DynamicProperties systemProperties = ComponentUtil.getSystemProperties();

        if (StringUtil.isNotBlank(options.propertiesPath)) {
            systemProperties.reload(options.propertiesPath);
        } else {
            try {
                final File propFile = ComponentUtil.getSystemHelper().createTempFile("crawler_", ".properties");

import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.thumbnail.ThumbnailManager;
import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

public class ThumbnailGeneratorTest extends UnitFessTestCase {

    private ThumbnailGenerator thumbnailGenerator;

    @Override

        ComponentUtil.getSearchEngineClient().refresh();

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

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

     */
    public String execute() {
        final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        final StringBuilder resultBuf = new StringBuilder();

        try {