final Function<T, NormalizedNodeContainerBuilder<K, ?, ?, T>> copyBuilder;
final Supplier<NormalizedNodeContainerBuilder<K, ?, ?, T>> emptyBuilder;
final ChildTrackingPolicy childPolicy;
final Function<T, NormalizedNodeContainerBuilder<K, ?, ?, T>> copyBuilder;
final Supplier<NormalizedNodeContainerBuilder<K, ?, ?, T>> emptyBuilder;
final ChildTrackingPolicy childPolicy;