Cleanup mode controlling when stored notifications are purged.
OptionalmaxMaximum age in days for retained notifications when using 'AGE_BASED' or 'HYBRID' mode.
OptionalmaxMaximum number of notifications to retain when using 'COUNT_BASED' or 'HYBRID' mode.
Cleanup strategy for stored push notifications.
Remarks
'NONE'— no automatic cleanup; notifications accumulate indefinitely.'COUNT_BASED'— remove oldest notifications when count exceedsmaxStoredNotifications.'AGE_BASED'— remove notifications older thanmaxNotificationAgeDaysdays.'HYBRID'— apply both count-based and age-based cleanup.Widened with
| (string & {})for semver safety.