using MyCompany.MyProject.Models; //assuming Product class is in this namespace public class ProductService : ICrudService{ //implementation of other CRUD methods omitted for brevity public Product GetById(int id) { //code to retrieve the product with the given ID from the database or other data store //return the retrieved product } }
using MyCompany.MyProject.Models; public class CustomerService : ICrudServicePackage and library information cannot be determined from the interface alone. It could be part of a larger data access or service layer library, or it could be a standalone interface used in a specific project.{ //implementation of other CRUD methods omitted for brevity public Customer GetById(int id) { //code to retrieve the customer with the given ID from the database or other data store //return the retrieved customer } }