CoreTelephony iOS 12.1 Beta 1 to Beta 2 API Differences

CTSubscriber.h
Added CTSubscriberDelegate
Added -[CTSubscriberDelegate subscriberTokenRefreshed:]
Added CTSubscriber.identifier
Added CTSubscriber.delegate
AvailabilityReplacement
FromAvailablenone
ToDeprecated-[CTSubscriberDelegate subscriberTokenRefreshed:]

CTSubscriberInfo.h
Added +[CTSubscriberInfo subscribers]
AvailabilityReplacement
FromAvailablenone
ToDeprecatedUse subscribers instead