StreamSpliterator implements Spliterator<T> { @Override public Spliterator<T> trySplit() { return null; } StreamSpliterator(final JavaType type, final JsonParser parser); @Override boolean tryAdvance(final Consumer<? super T> action); @Override Spliterator<T> trySplit(); @Override long estimateSize(); @Override int characteristics();  }
@Test void shouldNotSupportParallelExecution() { assertNull( new StreamSpliterator<>(type, parser).trySplit()); }