DeviceCheck watchOS 8.5 to 9.0 API Differences

DCAppAttestService.h
Added DCAppAttestService
Added DCAppAttestService.sharedService
Added DCAppAttestService.supported
Added -[DCAppAttestService generateKeyWithCompletionHandler:]
Added -[DCAppAttestService attestKey:clientDataHash:completionHandler:]
Added -[DCAppAttestService generateAssertion:clientDataHash:completionHandler:]
DCDevice.h
Added DCDevice
Added DCDevice.currentDevice
Added DCDevice.supported
Added -[DCDevice generateTokenWithCompletionHandler:]
DCError.h
Added DCErrorDomain
Added DCError
Added DCErrorUnknownSystemFailure
Added DCErrorFeatureUnsupported
Added DCErrorInvalidInput
Added DCErrorInvalidKey
Added DCErrorServerUnavailable
DeviceCheck.h
Added #def DC_EXPORT