import java.util.concurrent.TimeoutException;
import junit.framework.AssertionFailedError;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A helper for concurrency testing. One or more {@code TestThread} instances are instantiated in a
 * test with reference to the same "lock-like object", and then their interactions with that object
 * are choreographed via the various methods on this class.
 *

import java.util.concurrent.TimeoutException;
import junit.framework.AssertionFailedError;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * A helper for concurrency testing. One or more {@code TestThread} instances are instantiated in a
 * test with reference to the same "lock-like object", and then their interactions with that object
 * are choreographed via the various methods on this class.
 *

    AtomicLong count = (nameFormat != null) ? new AtomicLong(0) : null;
    return new ThreadFactory() {
      @Override
      public Thread newThread(Runnable runnable) {
        Thread thread = backingThreadFactory.newThread(runnable);
        // TODO(b/139735208): Figure out what to do when the factory returns null.
        requireNonNull(thread);
        if (nameFormat != null) {

        public String expires;

        @Option(name = "-h", aliases = "--hotThread", metaVar = "hotThread", usage = "Interval for Hot Thread logging")
        public Integer hotThread;

        protected Options() {
            // nothing
        }

        protected List<String> getWebConfigIdList() {

        static final AtomicInteger THREAD_NUMBER = new AtomicInteger(1);

        public Thread newThread(Runnable r) {
            Thread newThread = new Thread(GROUP, r, "resolver-" + THREAD_NUMBER.getAndIncrement());
            newThread.setDaemon(true);
            newThread.setContextClassLoader(null);
            return newThread;
        }
    }

    private class ResolveTask implements Runnable {

        new ThreadPoolExecutor(1, 2, 3, SECONDS, new ArrayBlockingQueue<Runnable>(1));
    assertNotNull(application.getExitingExecutorService(executor));
    assertTrue(executor.getThreadFactory().newThread(EMPTY_RUNNABLE).isDaemon());
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testGetExitingExecutorService_executorDelegatesToOriginal() {

   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  static Thread newThread(String name, Runnable runnable) {
    checkNotNull(name);
    checkNotNull(runnable);
    // TODO(b/139726489): Confirm that null is impossible here.
    Thread result = requireNonNull(platformThreadFactory().newThread(runnable));
    try {
      result.setName(name);
    } catch (SecurityException e) {

   * to the string returned by {@link #serviceName}
   */
  protected Executor executor() {
    return command -> MoreExecutors.newThread(serviceName(), command).start();
  }

  @Override
  public String toString() {
    return serviceName() + " [" + state() + "]";
  }

  @Override
  public final boolean isRunning() {

        new ThreadPoolExecutor(1, 2, 3, SECONDS, new ArrayBlockingQueue<Runnable>(1));
    assertNotNull(application.getExitingExecutorService(executor));
    assertTrue(executor.getThreadFactory().newThread(EMPTY_RUNNABLE).isDaemon());
  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testGetExitingExecutorService_executorDelegatesToOriginal() {

   * fails}.
   */
  protected ScheduledExecutorService executor() {
    @WeakOuter
    class ThreadFactoryImpl implements ThreadFactory {
      @Override
      public Thread newThread(Runnable runnable) {
        return MoreExecutors.newThread(serviceName(), runnable);
      }
    }
    final ScheduledExecutorService executor =
        Executors.newSingleThreadScheduledExecutor(new ThreadFactoryImpl());