public ProviderController(Helper helper, JsonSerializer json, CoreConverter converter, ProductController productController)
 {
     _h = helper;
     _j = json;
     _c = converter;
     _p = productController;
 }
        public RentItService(Helper helper, JsonSerializer json, CoreConverter converter)
        {
            _h = helper;
              _j = json;
              _c = converter;

              _auth = new AuthenticationController(_h, _j, _c);
              _account = new AccountController(_h, _j, _c);
              _product = new ProductController(_h, _j, _c);
              _provider = new ProviderController(_h, _j, _c, _product);
              _credits = new CreditsController(_h, _j, _c);
        }