protected final void notifyWarning(@NotificationTitle @NotNull String title, @NotificationContent @NotNull String content) {
    Notification notification = VcsNotifier.importantNotification().createNotification(title, content, NotificationType.WARNING);
    notification.setDisplayId(CANNOT_RESOLVE_CONFLICT);
    notification.addAction(NotificationAction.createSimple(GitBundle.messagePointer("action.NotificationAction.text.resolve"), () -> {
      notification.expire();
      mergeNoProceedInBackground();
    }));
    VcsNotifier.getInstance(myProject).notify(notification);
  }
protected final void notifyWarning(@NotificationTitle @NotNull String title, @NotificationContent @NotNull String content)