defaultQuery.add(builder.apply(fessConfig.getIndexFieldTitle(), fessConfig.getQueryBoostTitleAsDecimal().floatValue()));
        defaultQuery.add(builder.apply(fessConfig.getIndexFieldContent(), fessConfig.getQueryBoostContentAsDecimal().floatValue()));
        final float importantContentBoost = fessConfig.getQueryBoostImportantContentAsDecimal().floatValue();
        if (importantContentBoost >= 0.0f) {

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not decimal.
     */
    java.math.BigDecimal getQueryBoostContentAsDecimal();

    /**
     * Get the value for the key 'query.boost.content.lang'. <br>
     * The value is, e.g. 0.1 <br>
     * comment: Boost value for content field with language in queries.