/**
  * Ensure that a given property is not set as an xml-element-refs.
  *
  * @param oldProperty
  * @param tInfo
  */
 private void unsetXmlElementRefs(Property oldProperty, TypeInfo tInfo) {
   if (tInfo.hasElementRefs()
       && tInfo.getElementRefsPropName().equals(oldProperty.getPropertyName())) {
     tInfo.setElementRefsPropertyName(null);
   }
 }