* methods that they depend on are thread-safe.
 *
 * @author Kevin Bourrillion
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
public abstract class ForwardingSet<E extends @Nullable Object> extends ForwardingCollection<E>
    implements Set<E> {
  // TODO(lowasser): identify places where thread safety is actually lost

    }

    /**
     * Installs the specified artifact in a background thread.
     * Also removes any previously installed versions of the same plugin.
     *
     * @param artifact the artifact to install
     */
    public static void installArtifact(final Artifact artifact) {
        new Thread(() -> {
            final PluginHelper pluginHelper = ComponentUtil.getPluginHelper();

      assertBitEquals(x, at.get());
      prev = x;
    }
  }

  /** compareAndSet in one thread enables another waiting for value to succeed */
  public void testCompareAndSetInMultipleThreads() throws Exception {
    AtomicDouble at = new AtomicDouble(1.0);
    Thread t =
        newStartedThread(
            new CheckedRunnable() {
              @Override

 * equality for both keys and values, unlike {@code ForwardingMap}.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be
 * thread-safe, even when all of the methods that they depend on are thread-safe.
 *
 * @author Mike Bostock
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
/*

@defaultMessage this method needs special permission
java.lang.Thread#getAllStackTraces()

@defaultMessage Stopping threads explicitly leads to inconsistent states. Use interrupt() instead.
java.lang.Thread#stop()
# uncomment when https://github.com/elastic/elasticsearch/issues/31715 is fixed
# java.lang.Thread#stop(java.lang.Throwable)

@defaultMessage Please do not terminate the application

    /*
     * This will occur before the waiting get() in the
     * listenInPoolThread-spawned thread completes:
     */
    RecordingRunnable earlyListener = new RecordingRunnable();
    listenable.addListener(earlyListener, directExecutor());

    input.allowGetToComplete.countDown();
    // Now give the get() thread time to finish:
    assertTrue(earlyListener.wasRun.await(1, SECONDS));

      assertThat(e).hasMessageThat().isEqualTo("Cannot get() on a pending future.");
    }
  }

  static void verifyThreadWasNotInterrupted() {
    // There is no thread interruption in GWT, so there's nothing to do.
  }

  static void clearInterrupt() {
    // There is no thread interruption in GWT, so there's nothing to do.
  }

  static <V extends @Nullable Object> V getDoneFromTimeoutOverload(Future<V> future)

    val response = client.newCall(request).execute()

    response.use {
      assertEquals(200, response.code)
    }

    while (client.connectionPool.connectionCount() > 0) {
      Thread.sleep(1000)
    }
  }

  @Test
  fun testHttpRequest() {
    server.enqueue(MockResponse())
    server.start()

    val request = Request.Builder().url(server.url("/")).build()

        // Create thread pools
        this.channelExecutor = Executors.newCachedThreadPool(r -> {
            Thread t = new Thread(r, "SMB3-MultiChannel-Worker");
            t.setDaemon(true);
            return t;
        });

        this.healthCheckExecutor = Executors.newScheduledThreadPool(2, r -> {
            Thread t = new Thread(r, "SMB3-MultiChannel-HealthCheck");

   * certain core JDK classes.
   */
  private void runTestMethod(ClassLoader classLoader) throws Exception {
    ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
    Thread.currentThread().setContextClassLoader(classLoader);
    try {
      Class<?> test = classLoader.loadClass(FuturesTest.class.getName());