export function sleep(time: number): Promise<void> {
  return new Promise((resolve) => setTimeout(resolve, time));
}

export function uuidv4(): string {
  return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function (c) {
    var r = (Math.random() * 16) | 0,
      v = c === "x" ? r : (r & 0x3) | 0x8;
    return v.toString(16);
  });
}