private static void registerMakeInnerClassStatic(@Nullable PsiClass aClass, @Nullable HighlightInfo.Builder result) {
    if (aClass != null && aClass.getContainingClass() != null) {
      IntentionAction action = QuickFixFactory.getInstance().createModifierListFix(aClass, PsiModifier.STATIC, true, false);
      if (result != null) {
        result.registerFix(action, null, null, null, null);
      }
    }
  }
private static void registerMakeInnerClassStatic(@Nullable PsiClass aClass, @Nullable HighlightInfo.Builder result)