protected boolean setFuture(ListenableFuture<? extends V> future) {
    checkNotNull(future);

    // If this future is already cancelled, cancel the delegate.
    // TODO(cpovirk): Should we do this at the end of the method, as in the server version?
    // TODO(cpovirk): Use maybePropagateCancellationTo?
    if (isCancelled()) {
      future.cancel(mayInterruptIfRunning);
    }

    assert response.status_code == 400, response.text


# TODO: pv2 add version with Pydantic v2
@needs_pydanticv1
def test_get_user(client):
    response = client.get("/users/1")
    assert response.status_code == 200, response.text
    data = response.json()
    assert "email" in data
    assert "id" in data


# TODO: pv2 add version with Pydantic v2
@needs_pydanticv1
def test_nonexistent_user(client):

                    "msg": "Input should be a valid number, unable to parse string as a number",
                    "input": "invalid price",
                }
            ]
        }
    ) | IsDict(
        # TODO: remove when deprecating Pydantic v1
        {
            "detail": [
                {
                    "loc": ["body", "price"],
                    "msg": "value is not a valid float",

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  @Override
  public V get(K key) throws ExecutionException {
    return delegate().get(key);
  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  @Override
  public V getUnchecked(K key) {
    return delegate().getUnchecked(key);
  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  @Override

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override
  public <T> T newProxy(
      T target, Class<T> interfaceType, long timeoutDuration, TimeUnit timeoutUnit) {
    checkNotNull(target);
    checkNotNull(interfaceType);
    checkNotNull(timeoutUnit);
    return target; // ha ha
  }

  @CanIgnoreReturnValue // TODO(kak): consider removing this
  @Override
  @ParametricNullness

                    # TODO: remove when deprecating Pydantic v1
                    "http://staging.localhost.tiangolo.com:8000",
                ),
                "description": "Staging but actually localhost still",
            },
            {
                "url": IsOneOf(
                    "https://prod.example.com/",
                    # TODO: remove when deprecating Pydantic v1

  @J2ktIncompatible
  @GwtIncompatible // TODO
  public static ListeningScheduledExecutorService listeningDecorator(
      ScheduledExecutorService delegate) {
    return (delegate instanceof ListeningScheduledExecutorService)
        ? (ListeningScheduledExecutorService) delegate
        : new ScheduledListeningDecorator(delegate);
  }

  @J2ktIncompatible
  @GwtIncompatible // TODO

  // TODO(b/192446998): Remove this override after tools understand nullness better.
  @CheckForNull
  public V put(K key, @ParametricNullness V value) {
    return super.put(key, value);
  }

  @CanIgnoreReturnValue
  @Override
  @SuppressWarnings("RedundantOverride") // b/192446478: RedundantOverride ignores some annotations.

) : KtSymbolProviderByJavaPsi(), Fe10KtAnalysisSessionComponent {
    override fun getNamedClassSymbol(psiClass: PsiClass): KtNamedClassOrObjectSymbol? {
        return null /*TODO*/
    }

    override fun getCallableSymbol(callable: PsiMember): KtCallableSymbol? {
        return null /*TODO*/
    }

### ¿Es la concurrencia mejor que el paralelismo?

¡No! Esa no es la moraleja de la historia.

La concurrencia es diferente al paralelismo. Y es mejor en escenarios **específicos** que implican mucha espera. Debido a eso, generalmente es mucho mejor que el paralelismo para el desarrollo de aplicaciones web. Pero no para todo.