docs: @Deprecated //errors aren't propagated across Adapters (at least without continuations)
      public <X extends Throwable> Option<Try<V, X>> oneValueOrError(final K key, final Class<X>... classes) {
          final ValueSubscriber<V> sub = ValueSubscriber.subscriber();
          return get(key).peek(a -> a.stream()
                                     .subscribe(sub))
                         .map(a -> sub.toTry(classes));
      }