}
      method_name: "tensorflow/serving/predict"
    }
  }
  object_graph_def {
    nodes {
      children {
        node_id: 1
        local_name: "get_c"
      }
      children {
        node_id: 2
        local_name: "signatures"
      }
      user_object {
        identifier: "_generic_user_object"
        version {
          producer: 1
          min_consumer: 1

    bool on_stack = !on_stack_nodes_.insert(child_ref.node_id()).second;
    if (on_stack) {
      // This is a backedge. Don't traverse it.
      continue;
    }

    path_segments_.push_back(child_ref.local_name());
    RecursivelyVisitObjectGraph(child_ref.node_id());
    path_segments_.pop_back();

    on_stack_nodes_.erase(child_ref.node_id());
  }
}