GeneralSpliterator<E> spliterator, Consumer<? super E> consumer);

    static final Set<SpliteratorDecompositionStrategy> ALL_STRATEGIES =
        unmodifiableSet(new LinkedHashSet<>(asList(values())));
  }

  private static <E extends @Nullable Object> @Nullable GeneralSpliterator<E> trySplitTestingSize(
      GeneralSpliterator<E> spliterator) {