.NET Core decorator pattern with DI and Scrutor

Program.cs

// .NET Core console application to test decorator pattern with DI and Scrutor

// in terminal / command prompt:
// dotnet add package Scrutor
// dotnet add package Microsoft.Extensions.DependencyInjection

using System;
using Microsoft.Extensions.DependencyInjection;

namespace ScrutorDecorator
{
    class Program
    {
        static void Main(string[] args)
        {
            // Without DI + Scrutor
            //IThing thing = new Thing();
            // Or:
            //IThing thing = new ThingDecorated(new Thing());

            // With DI
            var collection = new ServiceCollection();

            // First, add our service to the collection.
            collection.AddSingleton<IThing, Thing>();

            // Then, decorate Thing with the ThingDecorated type.
            // Comment out next line and get non-decorated instance
            collection.Decorate<IThing, ThingDecorated>();

            var serviceProvider = collection.BuildServiceProvider();

            // When we resolve the IThing service, we'll get the following structure:
            // Thing -> ThingDecorated
            var thing = serviceProvider.GetRequiredService<IThing>();

            thing.DoSomething(5);
            thing.DoSomethingElse("me");
            Console.WriteLine("Press any key to continue....");
            Console.ReadKey();
        }
    }

    public interface IThing
    {
        void DoSomething(int n);
        void DoSomethingElse(string name);
    }

    public class Thing: IThing
    {
        public void DoSomething(int n)
        {
            Console.WriteLine("DoSomething(): {0} + 1 = {1}", n, n + 1);
        }
        public void DoSomethingElse(string name)
        {
            Console.WriteLine("DoSomethingElse() called by {0}", name);
        }
    }

    public class ThingDecorated : IThing
    {
        private readonly IThing _thing;
        public ThingDecorated(IThing thing)
        {
            _thing = thing;
        }
        public void DoSomething(int n)
        {
            _thing.DoSomething(n);
            Console.WriteLine("DoSomething() finished.");
        }
        public void DoSomethingElse(string name)
        {
            _thing.DoSomethingElse(name);
            Console.WriteLine("DoSomethingElse() finished");
        }
    }
}