TestMatMulGradHelper<T>(
        /*is_x_batch=*/true, /*is_y_batch=*/true, t_x, t_y,
        [&](Output x, Output y) {
          return BatchMatMul(root_, x, y, BatchMatMul::AdjX(t_x).AdjY(t_y));
        });
  }

  template <typename T>
  void TestBatchMatMulV3Grad(const bool is_x_batch, const bool is_y_batch,
                             const bool t_x, const bool t_y) {

  } else {
    auto dx = BatchMatMulV3(scope, x0, x1, x_data_type,
                            BatchMatMulV3::AdjX(adj_x0).AdjY(adj_x1));
    grad_outputs->push_back(dx);
    auto dy = BatchMatMulV3(scope, y0, y1, y_data_type,
                            BatchMatMulV3::AdjX(adj_y0).AdjY(adj_y1));
    grad_outputs->push_back(dy);
  }
  return scope.status();
}