public void functionScore(OperatorCall<UserCQ> queryLambda, ScoreFunctionCall<ScoreFunctionCreator<UserCQ>> functionsLambda,
            final ConditionOptionCall<FunctionScoreQueryBuilder> opLambda) {
        UserCQ cq = new UserCQ();
        queryLambda.callback(cq);
        final Collection<FilterFunctionBuilder> list = new ArrayList<>();
        if (functionsLambda != null) {