public OpenIdCookieValidityCheckMiddleware(RequestDelegate next, OpenIdCookieValidityCheckOptions options)
        {
            _next = next ?? throw new ArgumentNullException(nameof(next));

            _options = options ?? throw new ArgumentNullException(nameof(options));

            if (null == options.CookieManager)
            {
                throw new ArgumentNullException("CookieManager is not set.");
            }
        }
        public static IApplicationBuilder UseOpenIdCookieValidityCheck(this IApplicationBuilder app, OpenIdCookieValidityCheckOptions options)
        {
            if (null == app)
            {
                throw new ArgumentNullException(nameof(app));
            }

            if (null == options)
            {
                throw new ArgumentNullException(nameof(options));
            }

            return(app.UseMiddleware <OpenIdCookieValidityCheckMiddleware>(options));
        }