Deferred<SuggestResponse>.Promise promise3 = promise2.error(error -> {});

        // All should be the same promise instance
        assertEquals("Promise chain should return same instance", promise1, promise2);
        assertEquals("Promise chain should return same instance", promise2, promise3);
    }

    @Test
    public void test_promiseFromDeferredThen() throws Exception {

 * 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.

 */
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;

        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);

        when(mockAddress.unwrap(Address.class)).thenReturn(mockAddress);

        // When & Then
        Address unwrapped = mockAddress.unwrap(Address.class);
        assertSame(mockAddress, unwrapped, "Should return same instance for supported type");
    }

    @Test
    @DisplayName("getHostName should return valid hostname or address")
    void testGetHostNameContract() {
        // Given

            List<ArtifactRepository> remoteRepositories) {
        this(originatingArtifact, new ArrayList<>(), missingArtifacts, remoteRepositories);
    }

    /**
     * Create an instance of the exception with all required information.
     *
     * @param originatingArtifact the artifact that was being resolved
     * @param resolvedArtifacts   artifacts that could be resolved

 * This form handles the editing of crawling session data, which tracks
 * the status and metadata of web crawling operations.
 *
 */
public class EditForm {

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

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

 * Provides functionality to retrieve and display cached versions of crawled documents.
 */
public class CacheAction extends FessSearchAction {

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

    // ===================================================================================

 * for Fess plugins, including support for plugin JAR files in the WEB-INF/plugin directory.
 */
public class FessWebResourceRoot extends StandardRoot {
    /** Logger instance for this class */
    private static final Logger logger = Logger.getLogger(FessWebResourceRoot.class.getName());

    /**
     * Constructs a new FessWebResourceRoot with the specified context.
     *

      setException(thrown);
    }
  }

  static final class ImmediateCancelledFuture<V extends @Nullable Object> extends TrustedFuture<V> {
    static final @Nullable ImmediateCancelledFuture<Object> INSTANCE =
        AbstractFuture.GENERATE_CANCELLATION_CAUSES ? null : new ImmediateCancelledFuture<>();

    ImmediateCancelledFuture() {
      cancel(false);
    }
  }