CallKit macOS 10.14 to 10.15 API Differences

CXBase.h

Added #def CX_EXTERN

Added #def CX_CLASS_AVAILABLE

CXCallDirectory.h

Added CXCallDirectoryPhoneNumber

Added CXCallDirectoryPhoneNumberMax

CXCallDirectoryManager.h

Added CXCallDirectoryEnabledStatus

CXError.h

Added CXErrorCode

Added CXErrorCodeIncomingCallError

Added CXErrorCodeRequestTransactionError

Added CXErrorCodeCallDirectoryManagerError

CXHandle.h

Added CXHandleType

CXPlayDTMFCallAction.h

Added CXPlayDTMFCallActionType

CXProvider.h

Added CXCallEndedReason