private IterableChecker<List<String>, String> values(StringHolderCriteria criteria) {
    return  CriteriaChecker.<TypeHolder.StringHolder>ofReader(repository.find(criteria)).toList(TypeHolder.StringHolder::value);
  }
Return {@link TypeHolder.StringHolder#value()} after applying a criteria
criteria/common/test/org/immutables/criteria/typemodel/StringTemplate.java