Method within

future-java/src/main/java/io/trane/future/NoFuture.java:117–121

(final Duration timeout, final ScheduledExecutorService scheduler,
      final Throwable exception)

  }

  @Override
  public Future<T> within(final Duration timeout, final ScheduledExecutorService scheduler,
      final Throwable exception) {
    return this;
  }
}