@Override
    public boolean tryAdvance(Consumer<? super T> action) {
        requireNonNull(action);
        if (iterator.hasNext()) {
            action.accept(iterator.next());
            return true;
        }
        return false;
    }
Creates a {@link Spliterator} using the given iterator for traversal, and
reporting the given characteristics. The size is unknown.

@param iterator the iterator for the source
@param characteristics properties of this {@link Spliterator}'s source or
elements.
@param batchSizes the batch sizes to use for pseudo parallelism
runtime-parent/runtime-core/src/main/java/com/speedment/runtime/core/internal/stream/parallel/ConfigurableIteratorSpliteratorImpl.java