private static final ExecutorService executor = Executors.newFixedThreadPool(1);

  @Override
  protected void setUp() throws Exception {
    super.setUp();
    service = SimpleTimeLimiter.create(executor);
  }

  public void testNewProxy_goodMethodWithEnoughTime() throws Exception {
    SampleImpl target = new SampleImpl(DELAY_MS);
    Sample proxy = service.newProxy(target, Sample.class, ENOUGH_MS, MILLISECONDS);

                  // but here we have to do some serious fudging
                  @Override
                  @SuppressWarnings({"unchecked", "rawtypes"})
                  public Map<TypeToken, Object> create(Object... elements) {
                    MutableTypeToInstanceMap<Object> map = new MutableTypeToInstanceMap<>();
                    for (Object object : elements) {

        new TearDown() {

          @Override
          public void tearDown() throws Exception {
            synchronized (result.lock) {
              assertEquals(
                  "The test should have cleared the stack (say, by virtue of running runTearDown)",
                  0,
                  result.stack.size());
            }
          }
        });
    return result;
  }

	return TCPOptions{
		UserTimeout: t.UserTimeout,
		Interface:   t.Interface,
		SendBufSize: t.SendBufSize,
		RecvBufSize: t.RecvBufSize,
		NoDelay:     true,
	}
}

// newHTTPListener - creates new httpListener object which is interface compatible to net.Listener.
// httpListener is capable to
// * listen to multiple addresses
// * controls incoming connections only doing HTTP protocol

 *   <li>Loading: loading is pending
 * </ul>
 *
 * <p>Invalid:
 *
 * <ul>
 *   <li>Expired: time expired (key/value may still be set)
 *   <li>Collected: key/value was partially collected, but not yet cleaned up
 *   <li>Unset: marked as unset, awaiting cleanup or reuse
 * </ul>
 */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
interface ReferenceEntry<K, V> {
  /** Returns the value reference from this entry. */

    }

    private void maybeWarnAboutCleanUp() {
        if (warnAboutCleanup) {
            System.out.println("[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!");
        }
    }

    public void markForDeletion(File toDelete) {
        filesToDelete.add(toDelete);
        warnAboutCleanup = true;
    }

    public synchronized File createTempDir() {

public abstract class AbstractListenableFutureTest extends TestCase {

  protected CountDownLatch latch;
  protected ListenableFuture<Boolean> future;

  @Override
  protected void setUp() throws Exception {

    // Create a latch and a future that waits on the latch.
    latch = new CountDownLatch(1);
    future = createListenableFuture(Boolean.TRUE, null, latch);
  }

  @Override
  protected void tearDown() throws Exception {

    service.stopAsync().awaitTerminated();
    assertEquals("TestService [TERMINATED]", service.toString());
  }

  public void testTimeout() throws Exception {
    // Create a service whose executor will never run its commands
    Service service =
        new TestService() {
          @Override
          protected Executor executor() {
            return new Executor() {

   * for insertions.
   */
  static <E extends @Nullable Object> Set<E> preservesInsertionOrderOnAddsSet() {
    return CompactHashSet.create();
  }

  /**
   * Returns a new array of the given length with the same type as a reference array.
   *
   * @param reference any array of the desired type
   * @param length the length of the new array
   */

  /**
   * Creates a new, empty instance of the class under test.
   *
   * @return a new, empty map instance.
   * @throws UnsupportedOperationException if it's not possible to make an empty instance of the
   *     class under test.
   */
  protected abstract Map<K, V> makeEmptyMap() throws UnsupportedOperationException;

  /**
   * Creates a new, non-empty instance of the class under test.
   *