TF_Status* status) {
  int ret = -1;
  status->status = tensorflow::unwrap(op)->OutputLength(output_name, &ret);
  return ret;
}

void TFE_Execute(TFE_Op* op, TFE_TensorHandle** retvals, int* num_retvals,
                 TF_Status* status) {
  tensorflow::ImmediateExecutionOperation* unwrapped_op =
      tensorflow::unwrap(op);

  status->status =