setPreferredLanguage_Term(preferredLanguage, null);
    }

    public void setPreferredLanguage_Equal(String preferredLanguage, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setPreferredLanguage_Term(preferredLanguage, opLambda);
    }

    public void setPreferredLanguage_Term(String preferredLanguage) {
        setPreferredLanguage_Term(preferredLanguage, null);
    }