using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

public interface IGet<T>

{

    T Get<K>(K id);

}

​

public interface IDemoRepository : IGet<int>

{

​

}

​

public interface IDemoSuccessRepository : IGet<string>

{

​

}

​

public class DemoSuccessRepository : IDemoSuccessRepository

{

    public string Get<Guid>(Guid id)

    {

        return "67f2b4f3-3785-4e20-9ec1-b3fd9130a4be";

    }

}

​

public class DemoRepository : IDemoRepository

{

    public int Get<string>(string id)

    {

        return 1;

    }

}