code: protected void addPropertyReferenceFromElement(String id, Element element, BeanDefinitionBuilder bean) {
          String beanElement = element.getAttribute(id);
          bean.addPropertyReference(id, beanElement);
      }
docs: <p>addPropertyReferenceFromElement.</p>
  
  @param id a {@link java.lang.String} object.
  @param element a {@link org.w3c.dom.Element} object.
  @param bean a {@link org.springframework.beans.factory.support.BeanDefinitionBuilder} object.