Payments constructor

Payments({ required int electronic, int? cash, int? advancePayment, int? credit, int? provision, })

Создает экземпляр объекта с информацией о видах оплаты заказа

Implementation

Payments({
  required this.electronic,
  this.cash,
  this.advancePayment,
  this.credit,
  this.provision,
});