namespace Microsoft.AspNetCore.Authentication.Facebook
{
    public class FacebookHandler : OAuthHandler<FacebookOptions!>
    {
        [Obsolete("ISystemClock is obsolete, use TimeProvider on AuthenticationSchemeOptions instead.")]
        public FacebookHandler(IOptionsMonitor<FacebookOptions!>! options, ILoggerFactory! logger, UrlEncoder! encoder, ISystemClock! clock);
    }
}