public class Program

{

    public static void Main()

    {

        MyType<int, string> t = new MyType<int, string>();

        t.Example();

    }

}

​

class MyType<T1, T2>

{

}

​

static class Extensions

{

    public static void Example<T>(this MyType<int, T> test)

    {       

    }

​

}