const val SYNC_EXTRAS_PRIORITY_COLLECTIONS: String(source)
Specifies an list of IDs which are requested to be synchronized before the other collections. For instance, if some calendars of a CalDAV account are visible in the calendar app and others are hidden, the visible calendars can be synchronized first, so that the "Refresh" action in the calendar app is more responsive.
Extra type: String (comma-separated list of IDs)
In case of calendar sync, the extra value is a list of Android calendar IDs. In case of task sync, the extra value is an a list of OpenTask task list IDs.