@Override
  protected PsiReference[] getReferencesByElement(final @NotNull PsiClass aClass,
                                                  final XmlAttributeValue xmlAttributeValue,
                                                  ProcessingContext context) {
    final String name = xmlAttributeValue.getValue();
    PsiMember fieldOrGetterMethod = aClass.findFieldByName(name, true);
    if (fieldOrGetterMethod == null) {
      final PsiMethod[] methods = aClass.findMethodsByName(name, true);
      for (PsiMethod method : methods) {
        if (method.getParameterList().isEmpty()) {
          fieldOrGetterMethod = method;
          break;
        }
      }
    }
    return new PsiReference[]{
      new JavaFxControllerFieldRef(xmlAttributeValue, fieldOrGetterMethod, aClass),
      new AttributeValueSelfReference(xmlAttributeValue)};
  }
@Override
  protected PsiReference[] getReferencesByElement(final @NotNull PsiClass aClass,
                                                  final XmlAttributeValue xmlAttributeValue,
                                                  ProcessingContext context)