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

Override
  protected boolean validate(@NotNull PsiAnnotation psiAnnotation, @NotNull PsiMethod psiMethod, @NotNull ProblemSink problemSink) 