docs: public static ResponseField forFragment(String responseName, String fieldName, List<String> typeConditions) {
      List<Condition> conditions = new ArrayList<>(typeConditions.size());
      for (String typeCondition : typeConditions) {
        conditions.add(Condition.typeCondition(typeCondition));
      }
      return new ResponseField(Type.FRAGMENT, responseName, fieldName, Collections.<String, Object>emptyMap(),
          false, conditions);
    }