private static void annotateResolveProblems(DomElementAnnotationHolder holder, GenericAttributeValue<?> attributeValue) {
    final XmlAttributeValue value = attributeValue.getXmlAttributeValue();
    if (value != null) {
      for (PsiReference reference : value.getReferences()) {
        if (reference.resolve() == null) {
          holder.createResolveProblem(attributeValue, reference);
        }
      }
    }
  }
private static void annotateResolveProblems(DomElementAnnotationHolder holder, GenericAttributeValue<?> attributeValue)