The details to create a retention rule.
A user-specified name for the retention rule. Names can be helpful in identifying retention rules. Avoid entering confidential information.
The date and time as per RFC 3339 after which this rule is locked and can only be deleted by deleting the bucket. Once a rule is locked, only increases in the duration are allowed and no other properties can be changed. This property cannot be updated for rules that are in a locked state. Specifying it when a duration is not specified is considered an error.