" : "") + v.toString(16))
                    let prev = 0;

                    // 36b8f84d-df4e-4d49-b662-bcde71a8764f
                    return [4, 2, 2, 2, 6].map((v) => {
                        const start = prev
                        prev += v
                        return h.slice(start, start + v).join("")
                    }).join("-")
                };
            }
            self.supportsNotifications = (typeof Notification != "undefined");
            if (typeof Notification == "undefin