private static void processButtonGroupReference(final XmlTag tag, final PsiReferenceProcessor processor, final PsiPlainTextFile file,
                                                  final PsiReference classReference) {
    final XmlAttribute boundAttribute = tag.getAttribute(UIFormXmlConstants.ATTRIBUTE_BOUND, null);
    final XmlAttribute nameAttribute = tag.getAttribute(UIFormXmlConstants.ATTRIBUTE_NAME, null);
    if (boundAttribute != null && Boolean.parseBoolean(boundAttribute.getValue()) && nameAttribute != null) {
      processor.execute(new FieldFormReference(file, classReference, getValueRange(nameAttribute), null, null, false));
    }
  }
private static void processButtonGroupReference(final XmlTag tag, final PsiReferenceProcessor processor, final PsiPlainTextFile file,
                                                  final PsiReference classReference)