}

bool TFE_CancellationManagerTryDeregisterCallback(
    TFE_CancellationManager* cancellation_manager,
    TFE_CancellationToken token) {
  return tensorflow::unwrap(cancellation_manager)->TryDeregisterCallback(token);
}

void TFE_DeleteCancellationManager(
    TFE_CancellationManager* cancellation_manager) {
  delete tensorflow::unwrap(cancellation_manager);
}