* have completed - namely after oldFuture is done, and taskFuture has either completed or been
     * cancelled before the callable started execution.
     */
    SettableFuture<@Nullable Void> newFuture = SettableFuture.create();

    ListenableFuture<@Nullable Void> oldFuture = ref.getAndSet(newFuture);

    // Invoke our task once the previous future completes.

     * have completed - namely after oldFuture is done, and taskFuture has either completed or been
     * cancelled before the callable started execution.
     */
    SettableFuture<@Nullable Void> newFuture = SettableFuture.create();

    ListenableFuture<@Nullable Void> oldFuture = ref.getAndSet(newFuture);

    // Invoke our task once the previous future completes.

  }

  public void testLongAsyncRefresh() throws Exception {
    FakeTicker ticker = new FakeTicker();
    CountDownLatch reloadStarted = new CountDownLatch(1);
    SettableFuture<Thread> threadAboutToBlockForRefresh = SettableFuture.create();

    ListeningExecutorService refreshExecutor = listeningDecorator(newSingleThreadExecutor());
    try {
      CacheBuilder<Object, Object> builder =

  }

  public void testLongAsyncRefresh() throws Exception {
    FakeTicker ticker = new FakeTicker();
    CountDownLatch reloadStarted = new CountDownLatch(1);
    SettableFuture<Thread> threadAboutToBlockForRefresh = SettableFuture.create();

    ListeningExecutorService refreshExecutor = listeningDecorator(newSingleThreadExecutor());
    try {
      CacheBuilder<Object, Object> builder =

 * forwards to that future and adds the desired methods.
 *
 * @since 23.0
 */
@DoNotMock("Use FluentFuture.from(Futures.immediate*Future) or SettableFuture")
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public abstract class FluentFuture<V extends @Nullable Object>
    extends GwtFluentFutureCatchingSpecialization<V> {

  /**

    volatile ValueReference<K, V> oldValue;

    // TODO(fry): rename get, then extend AbstractFuture instead of containing SettableFuture
    final SettableFuture<V> futureValue = SettableFuture.create();
    final Stopwatch stopwatch = Stopwatch.createUnstarted();

    public LoadingValueReference() {
      this(null);
    }