hideOverlay method
Implementation
@override
Future<void> hideOverlay(MapOverlay overlay) async {
final mapTypeId = switch (overlay) {
MapOverlay.bicycleRoad => 8,
MapOverlay.roadviewLine => 5,
MapOverlay.hillsading => 7,
MapOverlay.hybrid => 3,
};
controller.removeOverlayMapTypeId(mapTypeId);
}