@Override
  protected boolean validate(@NotNull PsiAnnotation psiAnnotation, @NotNull PsiClass psiClass, @NotNull ProblemSink builder) {
    // we skip validation here, because it will be validated by other BuilderClassProcessor
    return true;//builderHandler.validate(psiClass, psiAnnotation, builder);
  }
@Override
  protected boolean validate(@NotNull PsiAnnotation psiAnnotation, @NotNull PsiClass psiClass, @NotNull ProblemSink builder)