import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@code Futures#withTimeout}.
 *

* azure: fix Azure Container Registry integration ([#40142](https://github.com/kubernetes/kubernetes/pull/40142), [@colemickens](https://github.com/colemickens))
* azure disk: restrict name length for Azure specifications ([#40030](https://github.com/kubernetes/kubernetes/pull/40030), [@colemickens](https://github.com/colemickens))

   * java.util.Collections#emptySet}
   */
  NONE;

  private final Set<Feature<? super Collection>> implied;

  CollectionFeature(Feature<? super Collection>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Collection>> getImpliedFeatures() {
    return implied;
  }

  @Retention(RetentionPolicy.RUNTIME)

    delegate().execute(command);
  }

  @Override
  public <T extends @Nullable Object> Future<T> submit(Callable<T> task) {
    return delegate().submit(task);
  }

  @Override
  public Future<?> submit(Runnable task) {
    return delegate().submit(task);
  }

  @Override
  public <T extends @Nullable Object> Future<T> submit(
      Runnable task, @ParametricNullness T result) {

@GwtCompatible
public class ConflictingRequirementsException extends Exception {
  private final Set<Feature<?>> conflicts;
  private final Object source;

  public ConflictingRequirementsException(
      String message, Set<Feature<?>> conflicts, Object source) {
    super(message);
    this.conflicts = conflicts;
    this.source = source;
  }

  public Set<Feature<?>> getConflicts() {
    return conflicts;
  }

  public Object getSource() {

        TestHandleReconnector testReconnector = new TestHandleReconnector(mockManager, true);

        CompletableFuture<HandleInfo> future = testReconnector.reconnectHandle("/test/file.txt", new IOException("Network error"));

        HandleInfo result = future.get();
        assertNotNull(result);
        assertEquals(testHandle, result);

        verify(mockManager).completeReconnect("/test/file.txt", true);
    }

  }

  /**
   * To avoid infinite recursion, test suites with these marker features won't have derived suites
   * created for them.
   */
  enum NoRecurse implements Feature<@Nullable Void> {
    SUBMAP,
    DESCENDING;

    @Override
    public Set<Feature<? super @Nullable Void>> getImpliedFeatures() {
      return emptySet();
    }
  }

  /**
   * Creates a suite whose map has some elements filtered out of view.

          .suppressing(parentBuilder.getSuppressedTests())
          .createTestSuite();
    }
  }

  @Override
  Set<Feature<?>> computeMultimapGetFeatures(Set<Feature<?>> multimapFeatures) {
    Set<Feature<?>> derivedFeatures = super.computeMultimapGetFeatures(multimapFeatures);
    if (derivedFeatures.contains(CollectionFeature.SUPPORTS_ADD)) {

    }

    @Override
    public Future<ProjectSegment> take() throws InterruptedException {
        return null;
    }

    @Override
    public Future<ProjectSegment> poll() {
        return null;
    }

    @Override
    public Future<ProjectSegment> poll(long timeout, TimeUnit unit) throws InterruptedException {
        return null;
    }

      MockExecutor mock = new MockExecutor();
      TestExecutor testExecutor = new TestExecutor(mock);
      Future<?> f = testExecutor.submit(doNothing());
      mock.assertLastMethodCalled("submit");
      f.get();
    }
    {
      MockExecutor mock = new MockExecutor();
      TestExecutor testExecutor = new TestExecutor(mock);
      Future<String> f = testExecutor.submit(doNothing(), RESULT_VALUE);
      mock.assertLastMethodCalled("submit");