private void showAlternativeNotification(@Nullable XStackFrame frame) {
        if (frame != null) {
          XSourcePosition position = frame.getSourcePosition();
          if (position != null) {
            VirtualFile file = position.getFile();
            if (!AlternativeSourceNotificationProvider.isFileProcessed(file)) {
              EditorNotifications.getInstance(session.getProject()).updateNotifications(file);
            }
          }
        }
      }
private void showAlternativeNotification(@Nullable XStackFrame frame)