<?phpnamespace AdminBundle\Admin\Vehicles\Bus;use AdminBundle\Admin\Vehicles\BaseVariationAdmin;use CoreBundle\Model\Vehicles\VehicleType;class VariationAdmin extends BaseVariationAdmin{ protected $baseRouteName = 'admin_vehicles_bus_variation'; protected $baseRoutePattern = 'vehicles-bus-variation-action'; protected function getVehicleType(): int { return VehicleType::BUS_TYPE; } protected function getVehicleAdminCode(): string { return 'admin.vehicles.bus_vehicle'; }}