recurrence property
An RRULE (https://tools.ietf.org/html/rfc5545#section-3.8.5.3) for how this window recurs.
For example, to have something repeat every weekday, you'd use:
FREQ=WEEKLY;BYDAY=MO,TU,WE,TH,FR To repeat some window daily (equivalent
to the DailyMaintenanceWindow): FREQ=DAILY For the first weekend of
every month: FREQ=MONTHLY;BYSETPOS=1;BYDAY=SA,SU The FREQ values of
HOURLY, MINUTELY, and SECONDLY are not supported.
Required.
Implementation
core.String? recurrence;