// we do not store `Edge*` directly because we remove some nodes while adding
  // Identity nodes, and those Edge pointers might be invalidated.
  struct EdgeInfo {
    int dst_input, dst_node_id;
  };
  std::vector<EdgeInfo> edges;
  for (const Edge* e : g->edges()) {
    if (e->IsControlEdge()) {
      continue;
    }

    auto src_outside_compilation =

        const {
      return {node_name, cluster_name};
    }

    bool operator<(const EdgeInfo& other) const {
      return AsPair() < other.AsPair();
    }
  };

  using EdgeInfoMap = std::map<absl::string_view, std::map<EdgeInfo, int64_t>>;

  EdgeInfoMap incoming_edge_infos;
  EdgeInfoMap outgoing_edge_infos;