gistfile1.txt

public class StreetController : BaseControllerType<Street> {

  // is the intention to type these as BaseControllerType<House> or BaseControllerType<BaseEntityType> ?
  private readonly HouseController houseController;
  
  private readonly LightController lightController;
  
  public ActionResult Update(Street street){
  
    foreach(var house in street.Houses){
      streetController.Update(house);
    }
    
    foreach(var light in street.Streetlights){
      lightController.Update(light);
    }
  }
}