}

    /**
     * Generates URL query parameters for facet filtering.
     *
     * @return URL-encoded query string containing facet parameters
     */
    public static String facetQuery() {
        return createQuery(Constants.FACET_QUERY, FACET_PREFIX);
    }

    /**
     * Generates URL query parameters for geographic filtering.
     *

    // View 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. */