docs: public static <K, V, T> List<Versioned<V>> get(Store<K, V, T> storageEngine, K key, T transform) {
          Map<K, List<Versioned<V>>> result = storageEngine.getAll(Collections.singleton(key),
                                                                   Collections.singletonMap(key,
                                                                                            transform));
          if(result.size() > 0)
              return result.get(key);
          else
              return Collections.emptyList();
      }