code: @SuppressWarnings("unchecked")
      public <T extends AbstractJaxb> T getById(String id) {
          Object obj = GetByIdUtil.getById(id, this);
          return (T) obj;
      }
docs: <p>
  get tag that has specified id attribute. To use return value as ussual
  tag, you must cast() it.
  </p>
  
  @param id
  @return