return directExecutor();
      }
    };

    abstract Executor executor();
  }

  @Param Impl impl;
  Executor executor;

  static final class CountingRunnable implements Runnable {
    AtomicInteger integer = new AtomicInteger();

    @Override
    public void run() {
      integer.incrementAndGet();
    }
  }

  CountingRunnable countingRunnable = new CountingRunnable();

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Test class for SMB file locking operations.
 * This class is used to test concurrent file access and locking behavior.
 */
public class TestLocking implements Runnable {

    private static final Logger logger = LoggerFactory.getLogger(TestLocking.class);

    /**
     * Default constructor for TestLocking
     */
    public TestLocking() {
        // Default constructor

HSPLokhttp3/internal/concurrent/TaskRunner$RealBackend;->execute(Lokhttp3/internal/concurrent/TaskRunner;Ljava/lang/Runnable;)V
HSPLokhttp3/internal/concurrent/TaskRunner$RealBackend;->nanoTime()J
HSPLokhttp3/internal/concurrent/TaskRunner$runnable$1;-><init>(Lokhttp3/internal/concurrent/TaskRunner;)V
HSPLokhttp3/internal/concurrent/TaskRunner$runnable$1;->run()V
HSPLokhttp3/internal/concurrent/TaskRunner;-><clinit>()V

      this.exception = exception;
      this.context = context;
    }
  }

  /** Runnable which registers a StringCatcher on an event bus and adds it to a list. */
  private static class Registrator implements Runnable {
    private final EventBus bus;
    private final List<StringCatcher> catchers;

    Registrator(EventBus bus, List<StringCatcher> catchers) {

      this.exception = exception;
      this.context = context;
    }
  }

  /** Runnable which registers a StringCatcher on an event bus and adds it to a list. */
  private static class Registrator implements Runnable {
    private final EventBus bus;
    private final List<StringCatcher> catchers;

    Registrator(EventBus bus, List<StringCatcher> catchers) {

 * For restrictions, please refer to the documentation of the then() method.
 */
public interface ListenableFuture<V extends @Nullable Object> extends Future<V>, IThenable<V> {
  void addListener(Runnable listener, Executor executor);

  /** Note that this method is not expected to be overridden. */
  @JsMethod
  @Override
  default <R extends @Nullable Object> IThenable<R> then(

    validations:
      required: true

  - type: textarea
    id: what-did-you-do
    attributes:
      label: "What did you do?"
      description: "If possible, provide a recipe for reproducing the error. A complete runnable program is good. A link on [go.dev/play](https://go.dev/play) is best."
    validations:
      required: true

  - type: textarea
    id: actual-behavior
    attributes:
      label: "What did you see happen?"

      TrustedListenableFutureTask<Integer> task =
          TrustedListenableFutureTask.create(counter::incrementAndGet);
      CyclicBarrier barrier = new CyclicBarrier(numThreads + 1);
      Runnable wrapper =
          () -> {
            awaitUnchecked(barrier);
            task.run();
            awaitUnchecked(barrier);
          };
      for (int j = 0; j < 10; j++) {

        };
    addCallback(f, callback, directExecutor());
  }

  private static final class CountingSameThreadExecutor implements Executor {
    int runCount = 0;

    @Override
    public void execute(Runnable command) {
      command.run();
      runCount++;
    }
  }

  private static final class MockCallback implements FutureCallback<String> {
    @Nullable private String value = null;

    return task;
  }

  /**
   * Executes {@code runnable} on the specified {@code executor}, returning a {@code Future} that
   * will complete after execution.
   *
   * @throws RejectedExecutionException if the task cannot be scheduled for execution
   * @since 28.2
   */
  public static ListenableFuture<@Nullable Void> submit(Runnable runnable, Executor executor) {
    TrustedListenableFutureTask<@Nullable Void> task =