(Number between 0 - 0x3fff) RFC clock sequence. Default: An internally maintained clockseq is used.
(Number | Date) Time in milliseconds since unix Epoch. Default: The current time is used.
Node id as Array of 6 bytes (per 4.1.6). Default: Randomly generated ID. See note 1.
(Number between 0-9999) additional time, in 100-nanosecond units. Ignored if msecs is unspecified. Default: internal uuid counter is used, as per 4.2.1.2.