// This check, unlike all the others, is a volatile read
        || isCancelled()) {
      return;
    }
    inputFuture = null;

    // For an explanation of the cases here, see the comments on AbstractTransformFuture.run.
    V sourceResult = null;
    Throwable throwable = null;
    try {
      if (localInputFuture instanceof InternalFutureFailureAccess) {
        throwable =

      ListenableFuture<O> transformAsync(
          ListenableFuture<I> input,
          AsyncFunction<? super I, ? extends O> function,
          Executor executor) {
    return AbstractTransformFuture.createAsync(input, function, executor);
  }

  /**
   * Returns a new {@code Future} whose result is derived from the result of the given {@code