@Override
  public PsiReference @NotNull [] createReferences(GenericDomValue<XmlFile> genericDomValue, PsiElement element, ConvertContext context) {
    final String s = genericDomValue.getStringValue();
    if (s == null || element == null) {
      return PsiReference.EMPTY_ARRAY;
    }
    final FileReferenceSet set = FileReferenceSet.createSet(element, false, false, false);
    return FileReferenceUtil.restrict(set, FileReferenceUtil.byNamespace(RelaxNgMetaDataContributor.RNG_NAMESPACE), true);
  }
@Override
  public PsiReference @NotNull [] createReferences(GenericDomValue<XmlFile> genericDomValue, PsiElement element, ConvertContext context)