public Columncontroller(mathieu_h_appContext context) { _context = context; }
public BuildingController(mathieu_h_appContext context) { _context = context; }
public ElevatorController(mathieu_h_appContext context) { _context = context; }
public LeadController(mathieu_h_appContext context) { _context = context; }
public BatteryController(mathieu_h_appContext context) { _context = context; }