// This sample is carefully crafted. It shows a known issues: fragment stretched to
        // svc (should not), because parser thinks the return statement returns to svc.
        group Backend {@VPC svc @RDS rep}
        group { Client }
Client->SGW."Get order by id" {
  svc.Get(id) {
    rep."load order" {
      if(order == null) {
        @return
        SGW->Client:401
      }
    }
  }
}