public static void RemoveAuthenticationFor(Auth0User auth0User, ISession session)
        {
            var userId = auth0User.Claims.Get(_config.UserIdentifier);

            if (session.ToList().Any(x => x.Key.Equals(_config.CookieName)))
            {
                session.Delete(_config.CookieName);
            }

            _users.Remove(userId);
        }
        public static void CreateAuthenticationSessionFor(Auth0User auth0User, ISession session)
        {
            var userId = auth0User.Claims.Get(_config.UserIdentifier);

            session[_config.CookieName] = userId;

            if (_users.ContainsKey(userId))
            {
                return;
            }

            _users.Add(userId, auth0User);
        }