public void merge(final PathArgument child, final NormalizedNode<?, ?> data) {
ensureNotClosed();
InMemoryDataTreeModification.checkIdentifierReferencesData(child, data);
public void merge(final PathArgument child, final NormalizedNode<?, ?> data) {
ensureNotClosed();
InMemoryDataTreeModification.checkIdentifierReferencesData(child, data);