  OutputUpdater(const std::vector<int64>& output_start_indices,
                Tensor* indices_out, Tensor* values_out)
      : output_start_indices_(output_start_indices),
        indices_out_(indices_out),
        values_out_(values_out) {}
  OutputUpdater(const std::vector<int64>& output_start_indices,
                Tensor* indices_out, Tensor* values_out)
      : output_start_indices_(output_start_indices),
        indices_out_(indices_out),
        values_out_(values_out) {}