namespace Microsoft.Extensions.DependencyInjection
{
    public static class HttpClientFactoryServiceCollectionExtensions
    {
        public static IHttpClientBuilder! AddHttpClient<TClient, TImplementation>(this IServiceCollection! services, string! name, Func<HttpClient!, TImplementation!>! factory)
            where TClient, class
            where TImplementation, class, TClient!;
    }
}