* 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.
     */

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

    /** Configuration key for SPNEGO initialization status. */
    protected static final String SPNEGO_INITIALIZED = "spnego.initialized";

    /** Configuration key for directories to exclude from SPNEGO authentication. */
    protected static final String SPNEGO_EXCLUDE_DIRS = "spnego.exclude.dirs";

    /** The interval for storing search logs. */
    protected long searchStoreInterval = 1; // min

    /**
     * Initializes the SuggestHelper.
     * This method sets up the suggester, configures field names, and initializes
     * the connection to the search engine.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

     */
    protected CIFSContext cifsContext;

    /**
     * Creates a new SmbClient instance.
     */
    public SmbClient() {
        super();
    }

    /**
    * Initializes the SMB client.
    * @see org.codelibs.fess.crawler.client.AbstractCrawlerClient#init()
    */
    @Override
    public synchronized void init() {
        if (smbAuthenticationHolder != null) {

    /**
     * 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.

                    + ", hotThread=" + hotThread + "]";
        }

    }

    /**
     * Initializes OpenSearch monitoring probes.
     * Forces the loading of process, OS, and JVM monitoring probes
     * to ensure they are available for system monitoring during crawling.
     */
    static void initializeProbes() {

    /**
     * Default constructor for RelatedQueryHelper.
     * Initializes the helper with an empty related query map.
     */
    public RelatedQueryHelper() {
        super();
    }

    /**
     * Initializes the RelatedQueryHelper after dependency injection is complete.
     * This method is called automatically by the dependency injection framework

    /**
     * Default constructor for DocumentHelper.
     * Creates a new document helper instance.
     */
    public DocumentHelper() {
        // Default constructor
    }

    /**
     * Initializes the document helper after construction.
     * Sets up the TikaExtractor with configuration parameters for text processing.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

     * Default constructor for DuplicateHostHelper.
     * Creates a new duplicate host helper instance.
     */
    public DuplicateHostHelper() {
        // Default constructor
    }

    /**
     * Initializes the duplicate host helper after construction.
     * Loads duplicate host configurations from the DuplicateHostService.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

    /** The content type for OSDD response. */
    protected String contentType = "text/xml"; // "application/opensearchdescription+xml"

    /** The OSDD file. */
    protected File osddFile;

    /**
     * Initializes the OSDD helper.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }