using System;

using Autofac;

public class Program

{

    public static void Main()

    {

        var builder = new ContainerBuilder();

        //builder.RegisterType<Settings1>().InstancePerMatchingLifetimeScope("1").As<ISettings>();

        //builder.RegisterType<Settings2>().InstancePerMatchingLifetimeScope("2").As<ISettings>();

        var container = builder.Build();

        using (var lifetimeScope = container.BeginLifetimeScope(c => c.RegisterType<Settings1>().As<ISettings>()))

        {

            lifetimeScope.Resolve<ISettings>().Run();

        }

        using (var lifetimeScope = container.BeginLifetimeScope(c => c.RegisterType<Settings2>().As<ISettings>()))

        {

            lifetimeScope.Resolve<ISettings>().Run();

        }

    }

}

​

​

public interface ILog

{

    void Run();

}

​

public interface ISettings

{

    void Run();

}

​

public class Log : ILog

{

    public void Run()

    {

        Console.WriteLine("Log");

    }

}

​

public class Settings1 : ISettings

{

    public void Run()

    {

        Console.WriteLine("Settings1");

    }

}

​

​

public class Settings2 : ISettings

{

    public void Run()

    {

        Console.WriteLine("Settings2");

    }

}