public IList<Client> GetClientsWithMoreOrdersThanGivenClient(Client client) { throw new NotImplementedException(); }
public bool HaveCustomerBoughtProduct(Client client, Product product) { throw new NotImplementedException(); }
public IList<Product> GetProductsBoughtByCustomer(Client client) { throw new NotImplementedException(); }
public IList<Order> GetOrdersOfClient(Client client) { throw new NotImplementedException(); }