public static DefaultActionGroup getCreateGroup(
SNodeReference baseNode, NodeChangeCallback callback, RelationDescriptor d) {
List<SNode> concepts = d.getConcepts(baseNode.resolve(MPSModuleRepository.getInstance()));
if (concepts.isEmpty()) return new DefaultActionGroup();
DefaultActionGroup group = new DefaultActionGroup(d.getTitle(), true);
for (final SNode concept : concepts) {
group.add(new CreateAction(concept, d, baseNode, callback));
}
return group;
}
