using System;

using Microsoft.Extensions.DependencyInjection;

public class Program

{

    public class SomeDependency

    {

    }

    public class SomeService

    {

        public SomeService(SomeDependency dependency)

        {

        }

    }

    public static void Main()

    {

        var services = new ServiceCollection();

        services.AddTransient<SomeService>();

        var provider = services.BuildServiceProvider();

        // This will throw InvalidOperationException because SomeDependency is not registered

        var service = provider.GetRequiredService<SomeService>();

    }

}