public ICartState Accept(ICartStateVisitor visitor) { return visitor.VisitPaid(this); }
public ICartState Accept(ICartStateVisitor visitor) { return visitor.VisitActive(this); }
public ICartState Accept(ICartStateVisitor visitor) { return visitor.VisitPaid(this); }
public ICartState Accept(ICartStateVisitor visitor) { return visitor.VisitActive(this); }