@Override
  public PsiReference[] getValueReferences(XmlTag xmlTag, @NotNull String text) {
    XmlTagValue value = xmlTag.getValue();
    XmlText[] elements = value.getTextElements();
    if (elements.length == 0 || xmlTag.getSubTags().length > 0) return PsiReference.EMPTY_ARRAY;
    return new XmlEnumeratedReferenceSet(xmlTag, this).getPsiReferences();
  }
@Override
  public PsiReference[] getValueReferences(XmlTag xmlTag, @NotNull String text)