Version management: Each system state is versioned, making tracking easier
if (n <= 1) return n;，推荐阅读新收录的资料获取更多信息
private static void sleep(long ms) {，推荐阅读新收录的资料获取更多信息
// A UUID is a Universally Unique Identifier as specified in RFC 9562.，更多细节参见新收录的资料