Graph graph(OpRegistry::Global());
  GraphConstructorOptions graph_opts;
  graph_opts.expect_device_spec = true;
  graph_opts.allow_internal_ops = true;
  TF_RETURN_IF_ERROR(
      ConvertGraphDefToGraph(graph_opts, auto_clustered_graph_def, &graph));

  // cluster_id -> (operation name -> # of operations)
  const int kNoCluster = -1;
  std::map<int, std::map<string, int>> clusters;
  std::map<int, int> cluster_size;

  return absl::OkStatus();
}

Status Scope::ToGraph(Graph* g, GraphConstructorOptions opts) const {
  if (ok()) {
    GraphDef graph_def;
    graph()->ToGraphDef(&graph_def);
    UpdateStatus(ConvertGraphDefToGraph(opts, std::move(graph_def), g));
  }
  return *impl()->status_;
}

void Scope::UpdateBuilder(NodeBuilder* builder) const {
  std::vector<Node*> control_inputs;

  }
  graph_ = std::make_unique<Graph>(graph.flib_def());
  GraphConstructorOptions opts;
  opts.allow_internal_ops = true;
  opts.add_default_attributes = true;
  TF_RETURN_IF_ERROR(::tensorflow::ConvertGraphDefToGraph(
      opts, std::move(*graph_def), graph_.get()));

  TF_RETURN_IF_ERROR(RemoveBackedges());

  TF_RETURN_IF_ERROR(CopyStackTraces(graph, graph_.get()));

  std::unique_ptr<Graph> graph =
      std::unique_ptr<Graph>(new Graph(OpRegistry::Global()));
  GraphConstructorOptions opts;
  opts.allow_internal_ops = true;
  TF_RETURN_IF_ERROR(ConvertGraphDefToGraph(opts, graphdef, graph.get()));
  FunctionDef* fdef = library->add_function();
  TF_RETURN_IF_ERROR(GraphToFunctionDef(
      *graph,
      absl::StrCat("_outside_compilation_shape_inference_", name_suffix),