java.util.UUID
UUID
System.Guid
System.Object
java.util.UUID
UUID.randomUUID()
NewGuid
System.Guid
BWTUYjLWt9lhNcsisL7KPlMEpMA=DEwlw/C876DDTf6CQdhYOCRAm40EZ3UibuZLz4igngKTcY4fuLbZYgzNVg+HDvx3Td0s2Fb+NE56jDRuvxFV5JtlH5zChw8wWIhIXpBEXy1cHtRP1Gzs9UyohW4qbhjg9EdKgYw+YKMAno5ekJzduVK1+GKR9ZJSNn6p5BOdfS4=