private void assertLQF() {
      if (!(fix instanceof LocalQuickFix ||
            fix instanceof ModCommandAction ||
            fix instanceof QuickFixWrapper ||
            fix instanceof LocalQuickFixAsIntentionAdapter)) {
        markNotAbandoned();
        throw new IllegalArgumentException(
          "Fix " + fix + " must be instance of LocalQuickFix or ModCommandAction to be registered as batch");
      }
    }
private void assertLQF()