}
              });
      final CyclicBarrier barrier = new CyclicBarrier(numThreads + 1);
      Runnable wrapper =
          new Runnable() {
            @Override
            public void run() {
              awaitUnchecked(barrier);
              task.run();
              awaitUnchecked(barrier);
            }
          };
      for (int j = 0; j < 10; j++) {

    }
    final CyclicBarrier barrier =
        new CyclicBarrier(
            6 // for the setter threads
                + 50 // for the listeners
                + 50 // for the blocking get threads,
                + 1); // for the main thread
    final ExecutorService executor = Executors.newFixedThreadPool(barrier.getParties());

      barrier.await(1, TimeUnit.SECONDS);
      executor.execute(barrierTask);
      // timeout means the second task wasn't even tried
      barrier.await(1, TimeUnit.SECONDS);
    } finally {
      service.shutdown();
    }
  }

  public void testRejectedExecutionThrownWithMultipleCalls() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);

                              barrier.await(1, TimeUnit.SECONDS);

                              // WAIT #2
                              barrier.await(1, TimeUnit.SECONDS);
                              assertTrue(executor.isShutdown());
                              assertFalse(executor.isTerminated());

                              // WAIT #3
                              barrier.await(1, TimeUnit.SECONDS);

   * IllegalArgumentException} if passed a {@code fromKey} less than an earlier {@code fromKey}.
   * However, this method doesn't throw an exception in that situation, but instead keeps the
   * original {@code fromKey}. Similarly, this method keeps the original {@code toKey}, instead of
   * throwing an exception, if passed a {@code toKey} greater than an earlier {@code toKey}.
   */
  @Override

   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.
   *
   * <p>If {@code delegate} is an instance created by an earlier call to {@code memoize}, it is
   * returned directly.
   */
  public static <T extends @Nullable Object> Supplier<T> memoize(Supplier<T> delegate) {
    if (delegate instanceof NonSerializableMemoizingSupplier

 * assertEquals(TypeToken.of(String.class), invokable.getReturnType()); // Not Object.class!
 * assertEquals(new TypeToken<List<String>>() {}, invokable.getOwnerType());
 * }</pre>
 *
 * <p><b>Note:</b> earlier versions of this class inherited from {@link
 * java.lang.reflect.AccessibleObject AccessibleObject} and {@link
 * java.lang.reflect.GenericDeclaration GenericDeclaration}. Since version 31.0 that is no longer

   * so that we get partial compile-time checking.)
   *
   * <p>This workaround should be removed at a distant future time when we no longer support Java
   * versions earlier than 8.
   */
  @SuppressWarnings("removal") // b/318391980
  private static final class TypeVariableInvocationHandler implements InvocationHandler {
    private static final ImmutableMap<String, Method> typeVariableMethods;

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Lists {
  private Lists() {}

  // ArrayList

  /**
   * Creates a <i>mutable</i>, empty {@code ArrayList} instance (for Java 6 and earlier).
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableList#of()} instead.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,

     * checkers are unlikely to ever look at the annotations on this declaration.
     *
     * Historical note: At one point, we'd declared this method as accepting and returning nullable
     * values. For details on that, see earlier revisions of this file.
     */
    return convert(a);
  }

  /**
   * Indicates whether another object is equal to this converter.
   *