Expiry of a data layer entry, mirroring the native Prism Expiry accepted
by DataLayer.put. "forever" never expires, "session" expires when the
session ends, "untilRestart" expires when the app restarts, and a Date
expires at that absolute point in time.
Expiry of a data layer entry, mirroring the native Prism
Expiryaccepted byDataLayer.put."forever"never expires,"session"expires when the session ends,"untilRestart"expires when the app restarts, and aDateexpires at that absolute point in time.