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This is a Java library for generating Universally Unique Identifiers. This library is fully compliant with RFC 9562, the Internet standard which obsoletes RFC 4122. List of implemented UUID subtypes: UUID Version 1: the Gregorian time-based UUID specified in RFC 9562; UUID Version 2: the DCE Security version, with embedded POSIX UIDs, specified in DCE 1.1; UUID Version 3: the name-based version th