private void showCancellationFailedNotification(@NotNull NotSupportedException exception) {
    var notification = new NotificationData(
      ExternalSystemBundle.message("progress.cancel.failed"),
      exception.getMessage(),
      NotificationCategory.WARNING,
      NotificationSource.PROJECT_SYNC
    );
    notification.setBalloonNotification(true);
    var notificationManager = ExternalSystemNotificationManager.getInstance(getIdeProject());
    notificationManager.showNotification(getExternalSystemId(), notification);
  }
private void showCancellationFailedNotification(@NotNull NotSupportedException exception)