using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}

​

public class TuaMae

{

}

​

public class Caralho

{

}

​

public class Cona<T> where T : TuaMae

{

    public List<T> posicoes;

    public void Inserir<U>(U objecto) where U : Caralho

    {

    }

}