def update_vehicle(self, *, vehicle_id, category, make, model, register_number, gear_box):
     VehicleProxy.update_vehicle(
         Vehicle.category_validator(category),
         Vehicle.make_validator(make),
         Vehicle.model_validator(model),
         Vehicle.register_number_validator(register_number),
         Vehicle.gear_box_validator(gear_box),
         Vehicle.id_validator(vehicle_id)
     )
 def delete_vehicle(self, vehicle_id):
     VehicleProxy.delete_vehicle(Vehicle.id_validator(vehicle_id))