sortList.add(sortBuilder);
    }

    /**
     * Sets the limit document number percentage.
     * @param limitPercentage The limit percentage as a string (e.g., "50%").
     */
    public void setLimitDocNumPercentage(final String limitPercentage) {
        final int originalValue;
        if (limitPercentage.endsWith("%")) {
            originalValue = Integer.parseInt(limitPercentage.substring(0, limitPercentage.length() - 1));

                    fessConfig.getIndexDocumentSearchIndex());
            reader.setScrollSize(fessConfig.getSuggestSourceReaderScrollSizeAsInteger());
            reader.setLimitDocNumPercentage(fessConfig.getSuggestUpdateContentsLimitNumPercentage());
            reader.setLimitNumber(fessConfig.getSuggestUpdateContentsLimitNumAsInteger());