*
     * @return URL-encoded query string containing geographic parameters
     */
    public static String geoQuery() {
        return createQuery(Constants.GEO_QUERY, GEO_PREFIX);
    }

    /**
     * Generates hidden HTML form fields for facet filtering.
     *
     * @return HTML string containing hidden input fields for facet parameters
     */

    /** View parameter for facet query information. */
    public static final String FACET_QUERY = "fess.FacetQuery";

    /** View parameter for geo query information. */
    public static final String GEO_QUERY = "fess.GeoQuery";

    /** View parameter for facet form data. */
    public static final String FACET_FORM = "fess.FacetForm";

    /** View parameter for geo form data. */