using System;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        var a = typeof(Program).Assembly;

        var t = a.GetType("Foo");

        var fi = t.GetField("Me", BindingFlags.Static | BindingFlags.NonPublic);

        var bar = fi.GetValue(null);

        Console.WriteLine(bar);

        var tr = TypedReference.MakeTypedReference(null, [fi]);

        TypedReference.SetTypedReference(tr, Activator.CreateInstance(t));

        bar = fi.GetValue(null);

        Console.WriteLine(bar);

    }

}

​

internal class Foo()

{

    internal static readonly Foo Me = new Foo();

    private Guid _g = Guid.NewGuid();

    public override string ToString() => _g.ToString();

}