assertNotNull(creator1);
        assertNotNull(creator2);
        assertNotSame(creator1, creator2);
    }

    // Test with empty strings
    @Test
    public void test_emptyStrings() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override

/**
 * A dictionary creator for Kuromoji.
 */
public class KuromojiCreator extends DictionaryCreator {
    private static final Logger logger = LogManager.getLogger(KuromojiCreator.class);

    /**
     * Constructs a new Kuromoji creator.
     */
    public KuromojiCreator() {
        super("kuromoji.*\\.txt");
    }

    /**
     * Registers this creator to the dictionary manager.
     */

    /**
     * Constructs a new creator for stemmer override dictionaries.
     * It sets the file pattern to match files starting with "stemmer_override"
     * and ending with ".txt".
     */
    public StemmerOverrideCreator() {
        super("stemmer_override.*\\.txt");
    }

    /**
     * Registers this creator with the dictionary manager upon initialization.

/**
 * A dictionary creator for stopwords files.
 * This class is responsible for creating {@link StopwordsFile} instances
 * from files that match the pattern "stopwords.*\\.txt".
 */
public class StopwordsCreator extends DictionaryCreator {
    private static final Logger logger = LogManager.getLogger(StopwordsCreator.class);

    /**
     * Constructs a new creator for stopwords dictionaries.

    /**
     * Creates a new DictionaryCreator with the specified pattern.
     *
     * @param pattern the regular expression pattern to match file paths
     */
    protected DictionaryCreator(final String pattern) {
        this.pattern = Pattern.compile(pattern);
    }

    /**
     * Creates a dictionary file for the given path and timestamp if it matches this creator's pattern.
     *

  @Test
  fun journalFileIsPreferredOverBackupFile() {
    var creator = cache.edit("k1")!!
    creator.setString(0, "ABC")
    creator.setString(1, "DE")
    creator.commit()
    cache.flush()
    filesystem.copy(journalFile, journalBkpFile)
    creator = cache.edit("k2")!!
    creator.setString(0, "F")
    creator.setString(1, "GH")
    creator.commit()
    cache.close()

import org.codelibs.fess.dict.DictionaryFile;
import org.codelibs.fess.dict.DictionaryItem;

import jakarta.annotation.PostConstruct;

/**
 * Creator for character mapping dictionary files.
 * Handles the creation and management of character mapping dictionaries used for text normalization.
 */
public class CharMappingCreator extends DictionaryCreator {

        return crawlingConfig.getTimeToLive();
    }

    @Override
    public CrawlerClientFactory initializeClientFactory(final Supplier<CrawlerClientFactory> creator) {
        return crawlingConfig.initializeClientFactory(creator);
    }

    @Override
    public Map<String, String> getConfigParameterMap(final ConfigName name) {
        return crawlingConfig.getConfigParameterMap(name);
    }

                logger.warn("Failed to create system properties file.", e);
            }
        }

        final SuggestCreator creator = ComponentUtil.getComponent(SuggestCreator.class);
        final LocalDateTime startTime = LocalDateTime.now();
        int ret = creator.create();
        if (ret == 0) {
            ret = creator.purge(startTime);
        }
        return ret;
    }

     */
    @PostConstruct
    public void init() {
        try {
            final CrawlerClientCreator creator = crawlerContainer.getComponent("crawlerClientCreator");
            if (creator != null) {
                creator.register(this);
            }
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("CrawlerClientCreator is unavailable.", e);