void Wb_plugin::process_task_finish(grt::ValueRef res) {
  grt::GRT::get()->send_info(grt::StringRef::cast_from(res));
  // grt::GRT::get()->make_output_visible();
  bec::GRTManager::get()->perform_idle_tasks();
  if (_task_fail_cb)
    _task_finish_cb();
}
void Wb_plugin::process_task_finish(grt::ValueRef res)
{
  _grtm->get_grt()->send_info(grt::StringRef::cast_from(res));
  //_grtm->get_grt()->make_output_visible();
  _grtm->perform_idle_tasks();
  if (_task_fail_cb)
    _task_finish_cb();
}