docs: @Bean(name = "innerMergedPersonAttributeDaoList")
      public List<IPersonAttributeDao> getInnerMergedPersonAttributeDaoList() {
          final List<IPersonAttributeDao> rslt = new ArrayList<>();
          rslt.add(getImpersonationStatusPersonAttributeDao());
          rslt.add(getUPortalAccountUserSource());
          rslt.add(getUPortalJdbcUserSource());
          return rslt;
      }