The number of days to wait after the date and time specified by a cron expression before running the maintenance window.

For example, the following cron expression schedules a maintenance window to run the third Tuesday of every month at 11:30 PM.

cron(30 23 ? * TUE#3 *)

If the schedule offset is 2, the maintenance window won't run until two days later.

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UpdateMaintenanceWindowRequest(UpdateMaintenanceWindowRequest)