*   <li>Old document deletion after successful crawling</li>
 *   <li>Crawling execution monitoring and timing</li>
 * </ul>
 */
public class DataIndexHelper {

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(DataIndexHelper.class);

    /** Parameter key for controlling deletion of old documents */
    private static final String DELETE_OLD_DOCS = "delete_old_docs";

 */
public class QueryFieldConfig {

    /**
     * Default constructor.
     */
    public QueryFieldConfig() {
        // Default constructor
    }

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(QueryFieldConfig.class);

    /** Field name for document score in search results */
    public static final String SCORE_FIELD = "score";

import org.codelibs.fess.util.ComponentUtil;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

public class CrawlerStatsHelperTest extends UnitFessTestCase {

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

    private CrawlerStatsHelper crawlerStatsHelper;

    private ThreadLocal<String> localLogMsg = new ThreadLocal<>();

    @Override

public class ApiAdminDictKuromojiAction extends FessApiAdminAction {

    /**
     * Default constructor.
     */
    public ApiAdminDictKuromojiAction() {
        super();
    }

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

    @Resource
    private KuromojiService kuromojiService;

    /**
     * Retrieves Kuromoji dictionary settings with pagination support.
     *

public class ApiAdminDictProtwordsAction extends FessApiAdminAction {

    /**
     * Default constructor.
     */
    public ApiAdminDictProtwordsAction() {
        super();
    }

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

    @Resource
    private ProtwordsService protwordsService;

    /**
     * Retrieve list of protected words entries for the specified dictionary.
     *

     */
    @Override
    public FessConfig getFessConfig() {
        return fessConfig;
    }

    /**
     * Returns the logger instance for this class.
     *
     * @return the logger instance
     */
    @Override
    public Logger getLogger() {
        return logger;
    }

    /**
     * Stores parsed data from response into result data.

            if (totalCount != 0) {
                logger.info("Processed {} thumbnail task(s).", totalCount);
            } else {
                logger.info("No thumbnail tasks to process.");
            }
            exitCode = 0;
        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("ThumbnailGenerator is stopped.", e);

                        logger.warn("Terminating process {} is timed out.", p);
                    } else if (logger.isDebugEnabled()) {
                        logger.debug("Terminated process {}.", p);
                    }
                } catch (final Exception e) {
                    logger.warn("Failed to stop destroyer.", e);
                }
            } else {
                if (logger.isDebugEnabled()) {

public class CrawlingInfoHelper {

    /**
     * Creates a new instance of CrawlingInfoHelper.
     */
    public CrawlingInfoHelper() {
        // Default constructor
    }

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

    /**
     * Key used for facet count aggregations.
     */
    public static final String FACET_COUNT_KEY = "count";

    /**

        super();
    }

    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FessFileTransformer.class);

    /**
     * Initializes the transformer after dependency injection.
     * Sets up the Fess configuration and data serializer components.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {