private LinearRing parseLinearRing(ValueGetter data, boolean haveZ, boolean haveM) {
private LinearRing parseLinearRing(ValueGetter data, boolean haveZ, boolean haveM, GeometryFactory geofac) {
    private LinearRing parseLinearRing(ValueGetter data, boolean haveZ, boolean haveM) {        return geofac.createLinearRing(parseCS(data, haveZ, haveM));    }