static generateUUID() {
        if (crypto && typeof crypto.randomUUID === 'function') {
            return crypto.randomUUID();
        } else if (crypto && typeof crypto.getRandomValues === 'function') {
            return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
                (+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
            );
        } else {
            return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
                const r = (Math.random() * 16) | 0,
                  v = c == 'x' ? r : (r & 0x3) | 0x8;
                return v.toString(16);
              });
        }
    }