private static ContainerNode getLockContent(final QName op, final QName datastore) {
final LeafNode<Object> datastoreLeaf = Builders.leafBuilder().withNodeIdentifier(toId(datastore))
- .withValue(Empty.getInstance()).build();
+ .withValue(Empty.value()).build();
final ChoiceNode choice = Builders.choiceBuilder()
.withNodeIdentifier(toId(ConfigTarget.QNAME))
.withChild(datastoreLeaf)