@SuppressWarnings("serial") static final class EntryIterator<K,V> extends Traverser<K,V,Object>
            implements Spliterator<Map.Entry<K,V>> {
        EntryIterator(ConcurrentHashMapV8<K, V> map) { super(map); }
        EntryIterator(Traverser<K,V,Object> it) {
            super(it);