Using ` Microsoft.Extensions.DependencyInjection` in a library

public static class AirplanesLiveServiceCollectionExtensions
{
    public static IServiceCollection AddAirplanesLiveClient(this IServiceCollection services)
    {
        services
            .AddRefitClient<IAirplanesLiveApi>()
            .ConfigureHttpClient(c => c.BaseAddress = new Uri("https://api.example.com"));

        return services.AddTransient<AirplanesLiveClient>();
    }
}