using System;

​

public class Program

{

    public interface IFoo

    {

        static abstract string Bar {get;}

    }

    public class Foo : IFoo

    {

        public static string Bar => "Hello World";

    }

    public static void Main()

    {

        WriteFoo<Foo>();

    }

    private static void WriteFoo<T>() where T : IFoo

    {

        Console.WriteLine(T.Bar);

    }

}