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A survey of Apple developer documentation.

Framework Core Telephony

75 / 80 (93.8%) Documented
5 Undocumented Symbols
Type Name
CTTelephonyNetworkInfo.dataServiceIdentifier
CTTelephonyNetworkInfo.delegate
CTTelephonyNetworkInfoDelegate
CTTelephonyNetworkInfoDelegate.dataServiceIdentifierDidChange(_:)
Name.CTServiceRadioAccessTechnologyDidChange