* @return the maximum alphanumeric term size
     */
    protected int getMaxAlphanumTermSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return fessConfig.getCrawlerDocumentMaxAlphanumTermSizeAsInteger();
    }

    /**
     * Gets the maximum size for symbol terms from configuration.
     *
     * @return the maximum symbol term size
     */
    protected int getMaxSymbolTermSize() {

     * @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>
     * comment: Maximum size of symbol terms in documents.