final float importantContentBoost = fessConfig.getQueryBoostImportantContentAsDecimal().floatValue();
        if (importantContentBoost >= 0.0f) {
            defaultQuery.add(builder.apply(fessConfig.getIndexFieldImportantContent(), importantContentBoost));
        }
        final float importantContantLangBoost = fessConfig.getQueryBoostImportantContentLangAsDecimal().floatValue();