class BundleV2Test : public ::testing::Test {
 protected:
  BundleV2Test() {}

  void RestoreVarsAndVerify(SavedModelV2Bundle* bundle,
                            std::vector<std::string> expected_names) {
    // Collect saved_node_id, full_name, checkpoint_key into a vector.
    using RestoredVarType = std::tuple<int, std::string, std::string>;
    std::vector<RestoredVarType> restored_vars;