code: def model_actions(self, model, **kwargs):
          
          check(model)
          ctype = ContentType.objects.get_for_model(model)
          return self.public(
              (Q(target_content_type=ctype) |
               Q(action_object_content_type=ctype) |
               Q(actor_content_type=ctype)),
              **kwargs
          )
docs: Stream of most recent actions by any particular model