*/
    protected void populateUrlLink(final Map<String, Object> doc) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (doc.get(fessConfig.getResponseFieldUrlLink()) == null) {
            doc.put(fessConfig.getResponseFieldUrlLink(), ComponentUtil.getViewHelper().getUrlLink(doc));
        }
    }

    /**
     * Result of a search operation, including queryId and requestedTime.
     */

     * comment: Field name for URL link in the response.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getResponseFieldUrlLink();

    /**
     * Get the value for the key 'response.field.site_path'. <br>
     * The value is, e.g. site_path <br>
     * comment: Field name for site path in the response.