/**
     * Creates a new instance of DataIndexHelper.
     * This constructor initializes the helper for managing data crawling operations,
     * including thread pool management and session-based crawling coordination.
     */
    public DataIndexHelper() {
        // Default constructor with explicit documentation
    }

    /**
     * Initiates crawling for all configured data stores.

 * to perform its tasks.
 *
 * <p>The crawling process involves the following steps:
 * <ol>
 *   <li>Initialization: Sets up the crawler context and initializes the URL filter.</li>
 *   <li>Thread Creation: Creates a group of crawler threads to perform the actual crawling.</li>
 *   <li>Execution: Starts the crawler threads and waits for them to complete.</li>

     * @return the batch limit for the command, or null if not set
     */
    protected Integer doGetBatchLimit(final String cmd) {
        return null;
    }

    /**
     * Initializes the resolver order for name resolution.
     *
     * @param ro comma-separated list of resolver types (LMHOSTS, WINS, BCAST, DNS)
     */
    protected void initResolverOrder(final String ro) {

    /** Factory for creating ingesters to process documents */
    private IngestFactory ingestFactory = null;

    /**
     * Initializes the callback implementation after dependency injection.
     * Sets up configuration values and initializes the ingest factory if available.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

        response = new Trans2SetFileInformationResponse(config);
    }

    @Test
    @DisplayName("Test constructor initializes object correctly")
    void testConstructor() {
        // Test that the constructor properly initializes the object
        assertNotNull(response);
        // The command is not set in the constructor, defaults to 0
        assertEquals(0, response.getCommand());

 * This class manages field configurations for various query operations including
 * response fields, search fields, facet fields, sort fields, and highlighting.
 * It initializes field mappings from the FessConfig and provides methods to
 * query field properties and capabilities.
 */
public class QueryFieldConfig {

    /**
     * Default constructor.
     */

 * suggestSettings.init();
 * }
 * </pre>
 *
 * <p>Key methods:</p>
 * <ul>
 *   <li>{@link #init()} - Initializes the settings.</li>
 *   <li>{@link #get(String)} - Retrieves a setting value by key.</li>
 *   <li>{@link #set(String, Object)} - Sets a setting value by key.</li>

    /** Map of output extensions to their corresponding extractors. */
    private final Map<String, Extractor> extractorMap = new HashMap<>();

    /**
     * Constructs a new JodExtractor and initializes the extension and extractor mappings.
     */
    public JodExtractor() {
        extensionMap.put("", "txt");
        // Text Formats
        extensionMap.put("odt", "txt");
        extensionMap.put("ott", "txt");

 */
@DoNotMock("Create an AbstractIdleService")
@J2ktIncompatible
@GwtIncompatible
public interface Service {
  /**
   * If the service state is {@link State#NEW}, this initiates service startup and returns
   * immediately. A stopped service may not be restarted.
   *
   * @return this
   * @throws IllegalStateException if the service is not {@link State#NEW}
   * @since 15.0
   */

    /**
     * Default constructor for RankFusionProcessor.
     * Initializes the processor with default values. The actual initialization
     * is performed by the init() method which is called after construction.
     */
    public RankFusionProcessor() {
        // Default constructor - initialization is done in init() method
    }

    /**
     * Initializes the rank fusion processor after construction.