using Aps_Single_Page_Anwendung.Models; using System.Collections.Generic; namespace Aps_Single_Page_Anwendung.Repositories { public interface ISpeiseRepository { IEnumerable GetSpeisen(); Speise GetSpeiseById(int id); Speise CreateSpeise(Speise speise); Speise UpdateSpeise(Speise speise); void DeleteSpeise(int id); } }