final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();

        final StringBuilder buf = new StringBuilder(255);
        try {
            final RequestParameter parameter = RequestParameter.parse(request);
            final String[] langs = searchHelper.getLanguages(request, parameter);

import jakarta.servlet.http.Cookie;

public class SearchHelperTest extends UnitFessTestCase {
    private SearchHelper searchHelper;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        searchHelper = new SearchHelper();
        setupMockComponents();
    }

    private void setupMockComponents() {

        if (!clickCountMap.isEmpty()) {
            final SearchHelper searchHelper = ComponentUtil.getSearchHelper();
            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            try {
                final UpdateRequest[] updateRequests =
                        searchHelper

    protected static final String LABEL_FIELD = "label";

    /** Helper for performing search operations and managing search requests. */
    @Resource
    protected SearchHelper searchHelper;

    /** Manager for handling thumbnail generation and display. */
    @Resource
    protected ThumbnailManager thumbnailManager;

    /** Helper for managing label types and label-based filtering. */

		<postConstruct name="addQueryRescorer">
			<arg>
				<component class="org.codelibs.fess.score.LtrQueryRescorer" />
			</arg>
		</postConstruct>
	</component>
	<component name="searchHelper" class="org.codelibs.fess.helper.SearchHelper">
	</component>
	<component name="suggestHelper" class="org.codelibs.fess.helper.SuggestHelper">
	</component>
	<component name="themeHelper" class="org.codelibs.fess.helper.ThemeHelper">

    /** Helper for building and parsing search queries. */
    @Resource
    protected QueryHelper queryHelper;

    /** Helper for executing search operations. */
    @Resource
    protected SearchHelper searchHelper;

    /** HTTP servlet request for accessing request parameters. */
    @Resource
    protected HttpServletRequest request;

    /** Current form reference for rendering extra fields on the edit page. */

    private static final String NOTIFICATION_HELPER = "notificationHelper";

    private static final String LOG_NOTIFICATION_HELPER = "logNotificationHelper";

    private static final String SEARCH_HELPER = "searchHelper";

    private static final String THEME_HELPER = "themeHelper";

    private static final String PLUGIN_HELPER = "pluginHelper";

    private static final String LANGUAGE_HELPER = "languageHelper";

| Task | Files to Review |
|------|-----------------|
| Add admin feature | `app/web/admin/*/`, `app/service/`, `webapp/WEB-INF/view/admin/` |
| Add API endpoint | `api/`, `app/web/api/` |
| Modify search | `helper/SearchHelper.java`, `helper/QueryHelper.java` |
| Add crawl config | `opensearch/config/`, `crawler/` |
| Add SSO | `sso/`, `fess_sso.xml` |
| Add i18n | `fess_label_*.properties`, `fess_message_*.properties` |

            return new ChatSearchResult(Collections.emptyList(), null, 0L);
        }
        return null;
    }

    /**
     * Searches for documents relevant to the user's query.
     * SearchHelper applies role-based access control filtering through
     * SearchRequestType.JSON and the role filter mechanism, ensuring
     * users only see documents they are authorized to access.
     * <p>