CrawlingParameterUtil.setUrlQueue(urlQueue);

        // Verify it can be retrieved
        UrlQueue<?> retrieved = CrawlingParameterUtil.getUrlQueue();
        assertNotNull(retrieved);
        assertEquals("test-session", retrieved.getSessionId());
        assertEquals("http://example.com", retrieved.getUrl());
    }

    public void test_urlQueue_setNull() {
        // Set a UrlQueue first

        String[] retrieved = data.getValues("empty");
        assertNotNull(retrieved);
        assertEquals(0, retrieved.length);
    }

    public void test_nullValues() {
        // Test with null values
        ExtractData data = new ExtractData();

        data.putValue("key", null);

        String[] retrieved = data.getValues("key");
        assertNotNull(retrieved);

                .setSize(0)
                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);

        // Verify pattern can be retrieved
        final List<Pattern> patterns = urlFilterService.getIncludeUrlPatternList(sessionId);
        assertEquals(1, patterns.size());
        assertTrue(patterns.get(0).matcher("http://example.com/page1").matches());

    /**
     * The container that provides crawler components.
     */
    protected CrawlerContainer crawlerContainer;

    /**
     * The name of the component to be retrieved from the CrawlerContainer.
     */
    protected String componentName;

    /**
     * The listener that is called when a pooled object is destroyed.
     */
    protected OnDestroyListener<T> onDestroyListener;

     * When enabled, users can save favorite search results.
     */
    @Size(max = 10)
    public String userFavorite;

    /**
     * Enable or disable JSON Web API.
     * When enabled, search results can be retrieved via JSON API.
     */
    @Size(max = 10)
    public String webApiJson;

    /**
     * Application-specific value for custom configurations.
     * This field can be used to store custom application settings.

    /**
     * Processes an FTP request to retrieve data from the specified URI.
     * This method handles the complete FTP request lifecycle including timeout management,
     * connection setup, and data retrieval.
     *
     * @param uri The URI to retrieve data from
     * @param includeContent Whether to include the actual content in the response
     * @return The response data containing the retrieved information

                QueryBuilders.termQuery(fessConfig.getIndexFieldParentId(), id));
    }

    /**
     * Retrieves all child documents that belong to the specified parent document.
     *
     * @param searchEngineClient the search engine client to use for retrieval
     * @param id the parent document ID whose children should be retrieved
     * @param fields the fields to include in the response (null for all fields)

        }

        // Retrieve direct groups synchronously (parent group lookup is deferred)
        processDirectMemberOf(user, groupList, roleList, groupIdsForParentLookup, "https://graph.microsoft.com/v1.0/me/memberOf");

        if (logger.isDebugEnabled()) {
            logger.debug("[updateMemberOf] Direct groups retrieved. Total groups: {}, Total roles: {}, Group IDs for parent lookup: {}",

            final List<Map<String, Object>> docList = results[searcherIndex].getDocumentList();
            if (logger.isDebugEnabled()) {
                logger.debug("Searcher[{}]: retrieved {} documents / {} total documents", searcherIndex, docList.size(),
                        results[searcherIndex].getAllRecordCount());
            }
            for (int docRank = 0; docRank < docList.size(); docRank++) {

    }

    /**
     * Creates a stream response for document content delivery.
     * Handles content retrieval and streaming to the client.
     *
     * @param doc the document data map
     * @return the stream response containing document content
     * @throws FessSystemException if content cannot be retrieved
     */
    public StreamResponse asContentResponse(final Map<String, Object> doc) {