}
        final float importantContantLangBoost = fessConfig.getQueryBoostImportantContentLangAsDecimal().floatValue();
        getQueryLanguages().ifPresent(langs -> stream(langs).of(stream -> stream.forEach(lang -> {
            boolQuery.should(
                    builder.apply(fessConfig.getIndexFieldTitle() + "_" + lang, fessConfig.getQueryBoostTitleLangAsDecimal().floatValue()));