final TreeNode currentMeta = current.get();
for (NodeModification childMod : modification.getChildren()) {
final PathArgument childId = childMod.getIdentifier();
final Optional<TreeNode> childMeta = currentMeta.getChild(childId);
final TreeNode currentMeta = current.get();
for (NodeModification childMod : modification.getChildren()) {
final PathArgument childId = childMod.getIdentifier();
final Optional<TreeNode> childMeta = currentMeta.getChild(childId);