status->status = MessageToBuffer(kernel_list, ret);
  if (!status->status.ok()) {
    TF_DeleteBuffer(ret);
    return nullptr;
  }
  return ret;
}

void TF_UpdateEdge(TF_Graph* graph, TF_Output new_src, TF_Input dst,
                   TF_Status* status) {
  using tensorflow::RecordMutation;
  mutex_lock l(graph->mu);
  tensorflow::shape_inference::InferenceContext* ic =