@class NSMutableSet, NSObject; @protocol OS_dispatch_queue; @interface PXSystemAuthenticationTypeObserver : PXObservable @property (class, readonly, nonatomic) PXSystemAuthenticationTypeObserver *sharedObserver; @property (nonatomic) long long authenticationType; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *observationQueue; @property (retain, nonatomic) NSMutableSet *observers; @property (nonatomic) long long forcedSystemAuthenticationType; - (id)init; - (void)dealloc; - (void).cxx_destruct; - (long long)_currentlyAvailableBiometryType; - (void)_beginObservingApplicationStateChangesAndSystemEvents; - (long long)_calculateAuthenticationType; - (void)_stopObservingApplicationStateChanges; - (void)_updateAuthenticationTypeInBackground; - (void)updateAuthenticationTypeImmediately; @end