code: public <T extends AbstractJaxb> T getByName(String name, Class<T> tagType) {
          return GetByNameUtil.getByName((T) this, name, tagType);
      }
docs: <p>find tag by "name" property. (the first one in this tag)</p>
  
  @param name
  @param tagType
  @param <T>
  @return null if not found.