return normalizerChain;
    }

    /**
     * Creates a new instance of DefaultContentsAnalyzer using the provided client and suggest settings.
     *
     * @param client   the OpenSearch client to be used for the analyzer
     * @param settings the suggest settings containing the analyzer configuration
     * @return a new instance of AnalyzerSettings.DefaultContentsAnalyzer
     */

 * Provides functionality to track crawling sessions, manage document expiration,
 * and handle crawling information storage and retrieval.
 */
public class CrawlingInfoHelper {

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

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

    /**

 *
 * Character mapping files contain mapping rules in the format:
 * input1,input2,... => output
 */
public class CharMappingFile extends DictionaryFile<CharMappingItem> {
    /** Logger instance for this class. */
    private static final Logger logger = LogManager.getLogger(CharMappingFile.class);

    /** Type identifier for character mapping dictionaries. */
    private static final String MAPPING = "mapping";

    @Mock
    private MessageDigest mockMd5;

    @BeforeEach
    void setUp() throws NoSuchAlgorithmException {
        // Mock Crypto.getMD5() to return our mockMd5 instance
        // This requires Mockito 3.4.0+ for MockedStatic
        // For simplicity, we'll assume Crypto.getMD5() is static and mock it.
        // If it's not static, we'd need to inject it or mock the class that provides it.

  // enum singleton pattern
  private enum TrimStringFunction implements Function<String, String> {
    INSTANCE;

    @Override
    public String apply(String string) {
      return whitespace().trimFrom(string);
    }
  }

  public void testCompose() {
    Function<String, String> trim = TrimStringFunction.INSTANCE;
    Predicate<String> equalsFoo = Predicates.equalTo("Foo");

        assertNotNull(component1);
        assertNotNull(component2);

        // Should be same instance for singleton
        assertSame(component1, component2);
        // The first creation should increment the counter
        assertTrue("Instance count should be at least 1", SingletonTestComponent.getInstanceCount() >= 1);
    }

    /**
     * Test wrap method
     */

    /**
     * Prefix length for generated IDs.
     */
    protected int idPrefixLength = 445;

    /**
     * Returns the FesenClient instance, connecting if not already connected.
     * @return The FesenClient instance.
     */
    protected FesenClient getClient() {
        if (!fesenClient.connected()) {
            synchronized (fesenClient) {
                if (!fesenClient.connected()) {

 */
public class FessResponseProcessor extends DefaultResponseProcessor {
    /**
     * Default constructor.
     */
    public FessResponseProcessor() {
        super();
    }

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

    /** Factory for creating and managing ingesters */
    private IngestFactory ingestFactory = null;

 * This form handles the creation of API access tokens with configurable permissions and expiration dates.
 */
public class CreateForm {

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

    /**
     * The CRUD operation mode for this form.
     * Indicates whether this is a create, read, update, or delete operation.

        assertArgumentNotNull("iterators", iterators);

        return () -> new MultiIterator<>(iterators);
    }

    /**
     * Constructs an instance.
     *
     * @param iterators the array of {@link Iterator}s (must not be {@literal null})
     */
    public MultiIterator(final Iterator<E>... iterators) {
        assertArgumentNotNull("iterators", iterators);