@class NSString, NSObject; @protocol OS_dispatch_queue, HDFeatureAvailabilityExtension; @interface HDHRIrregularRhythmNotificationsSettingMigrator : NSObject <HDFeatureAvailabilityExtensionObserver> @property (readonly, nonatomic) id<HDFeatureAvailabilityExtension> v1FeatureAvailabilityManager; @property (readonly, nonatomic) id<HDFeatureAvailabilityExtension> v2FeatureAvailabilityManager; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)featureAvailabilityProvidingDidUpdateSettings:(id)a0; - (void)featureAvailabilityExtensionOnboardingCompletionDataDidBecomeAvailable:(id)a0; - (void)featureAvailabilityExtensionDidUpdateRegionAvailability:(id)a0; - (void)_syncSettingIfPossibleFromManager:(id)a0 toManager:(id)a1; - (id)initWithV1FeatureAvailabilityManager:(id)a0 v2FeatureAvailabilityManager:(id)a1; - (void).cxx_destruct; - (void)_syncSettingIfPossibleFromSource:(id)a0; - (void)_startObservingSettingChanges; - (void)featureAvailabilityProvidingDidUpdateOnboardingCompletion:(id)a0; @end