}
    }

    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    protected int getMaxSymbolTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxSymbolTermSizeAsInteger();

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getCrawlerDocumentMaxAlphanumTermSizeAsInteger();

    /**
     * Get the value for the key 'crawler.document.max.symbol.term.size'. <br>
     * The value is, e.g. 10 <br>