node.get(ADDRESS).add("core-service", "management");
node.get(ADDRESS).add("access", "authorization");
node.get(OP).set(READ_CHILDREN_RESOURCES_OPERATION);
node.get(CHILD_TYPE).set("role-mapping");
node.get("recursive-depth").set("2");
dispatcher.execute(new DMRAction(node), new FunctionCallback(control) {
@Override
protected void onSuccess(final ModelNode result) {
List<ModelNode> roleMappings = result.get(RESULT).asList();
for (ModelNode node : roleMappings) {