JsonCodecTimestamp:[sessionId: number, time: number] | number
Represents a logical clock timestamp. If number, it is a relative timestamp
and is relative to the patch ID. If array, it is an absolute timestamp, where
array is a tuple of [sessionId, time].
Represents a logical clock timestamp. If number, it is a relative timestamp and is relative to the patch ID. If array, it is an absolute timestamp, where array is a tuple of
[sessionId, time].