text: module.exports = () => {
      return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, c => {
          let r = (Math.random() * 16) | 0;
          let v = c === "x" ? r : (r & 0x3) | 0x8;
          return v.toString(16);
      });
  }