@class NSNumber, NSString, LAContext, PXSystemAuthenticationTypeObserver, NSMutableSet, NSTimer, NSMutableArray;
@protocol PXDisplayCollection;

@interface PXContentPrivacyController : PXObservable <PXChangeObserver, PXPhotoLibraryUIChangeObserver, PXSettingsKeyObserver>

@property (readonly, nonatomic) NSString *logIdentifier;
@property (readonly, nonatomic) PXSystemAuthenticationTypeObserver *authenticationTypeObserver;
@property (retain, nonatomic) LAContext *currentAuthenticationContext;
@property (retain, nonatomic) NSMutableSet *observers;
@property (retain, nonatomic) NSTimer *autolockTimer;
@property (nonatomic) unsigned long long autolockReason;
@property (retain, nonatomic) id<PXDisplayCollection> assetCollectionToObserve;
@property (readonly, nonatomic) NSMutableArray *authenticationStack;
@property (nonatomic) unsigned long long cachedAuthenticationStackCount;
@property (nonatomic) BOOL hasPerformedAuthenticationInStack;
@property (nonatomic) BOOL authenticationAttemptDidFailOrWasCancelled;
@property (retain, nonatomic) NSNumber *contentPrivacyEnabledNumberForTesting;
@property (retain, nonatomic) NSNumber *testingOverride_authenticationType;
@property (retain, nonatomic) NSNumber *testingOverride_shouldPerformAuthenticationOnAppearing;
@property (retain, nonatomic) NSNumber *testingOverride_shouldOnlyPerformAutomaticAuthenticationOnce;
@property (retain, nonatomic) NSNumber *testingOverride_shouldLockAfterDelayWhenLeavingViewHierarchy;
@property (retain, nonatomic) NSNumber *testingOverride_autolockTimeout;
@property (copy, nonatomic) id /* block */ authChallengeHandlerForTesting;
@property (readonly, nonatomic) NSString *identifier;
@property (readonly, nonatomic, getter=isContentPrivacyEnabled) BOOL contentPrivacyEnabled;
@property (readonly, nonatomic, getter=isLocked) BOOL locked;
@property (readonly, nonatomic) BOOL willPerformAuthenticationAutomatically;
@property (readonly, nonatomic, getter=isPerformingAuthentication) BOOL performingAuthentication;
@property (readonly, nonatomic, getter=isDelayedLockScheduled) BOOL delayedLockScheduled;
@property (readonly, nonatomic) long long authenticationType;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;

+ (id)privacyControllerForCollection:(id)a0;
+ (void)tearDownPrivacyControllersIfNeeded;

- (void)observable:(id)a0 didChange:(unsigned long long)a1 context:(void *)a2;
- (void)dealloc;
- (void)photoLibraryDidChangeOnMainQueue:(id)a0;
- (void)_preferencesDidChange;
- (void)applicationWillEnterForeground;
- (void)unlock;
- (void)settings:(id)a0 changedValueForKey:(id)a1;
- (void)setLocked:(BOOL)a0;
- (void).cxx_destruct;
- (void)applicationDidEnterBackground;
- (void)setAuthenticationType:(long long)a0;
- (void)_cancelAuthentication;
- (double)autolockTimeout;
- (void)lockImmediately;
- (void)_beginObservingApplicationStateChangesAndSystemEvents;
- (void)_beginObservingAssetCollectionChanges;
- (void)_beginObservingContentPrivacyPrefs;
- (long long)_calculateAuthenticationTypeWithForcedUpdate:(BOOL)a0;
- (void)_cancelDelayedLockIfNeededWithReason:(id)a0;
- (void)_finishAuthenticationChallengeWithCompletionHandler:(id /* block */)a0 success:(BOOL)a1 error:(id)a2;
- (BOOL)_isContentPrivacyPrefEnabled;
- (void)_lockOrCancelAuthenticationIfNeeded;
- (void)_lockWithReasonForLogging:(id)a0;
- (void)_logCurrentAuthenticationStack;
- (void)_performDelayedAuthenticationTypeUpdate;
- (void)_performUserAuthenticationIfNeededAfterForegrounding;
- (void)_performUserAuthenticationWithTitle:(id)a0 passcodeTitle:(id)a1 passcodeSubtitle:(id)a2 reason:(id)a3 completion:(id /* block */)a4;
- (void)_startAutolockTimerForReason:(unsigned long long)a0 resetIfActive:(BOOL)a1;
- (void)_stopAutolockTimer;
- (void)_stopObservingApplicationStateChanges;
- (void)_stopObservingAssetCollectionChanges;
- (void)_stopObservingContentPrivacyPrefs;
- (void)_updateAuthenticationType;
- (void)_updateCachedAuthenticationStackCount;
- (void)_updateContentPrivacyEnabled;
- (void)_updateWillPerformAuthenticationAutomatically;
- (void)addContextToStack:(id)a0;
- (void)cancelAuthentication;
- (void)cancelDelayedLockIfNeeded;
- (void)clearAuthenticationStack;
- (void)commonInitWithLogIdentifier:(id)a0;
- (void)hostApplicationDidBecomeActiveFromNotification:(id)a0;
- (void)hostApplicationWillResignActiveFromNotification:(id)a0;
- (id)initWithAssetCollectionToObserve:(id)a0 logIdentifier:(id)a1;
- (id)initWithContentPrivacyEnabledForTesting:(id)a0 availableAuthenticationTypeForTesting:(id)a1 assetCollectionToObserveForTesting:(id)a2;
- (id)initWithLogIdentifier:(id)a0;
- (BOOL)isRunningInExtension;
- (void)performUserAuthenticationIfNeededFromContext:(id)a0;
- (void)performUserAuthenticationIfNeededWithLocalizedReason:(id)a0 completion:(id /* block */)a1;
- (void)performUserAuthenticationIfNeededWithTitle:(id)a0 passcodeTitle:(id)a1 passcodeSubtitle:(id)a2 completion:(id /* block */)a3;
- (void)removeContextFromStack:(id)a0;
- (void)resetHasPerformedAuthenticationInStack;
- (void)scheduleAuthenticationStackCountUpdate;
- (void)scheduleDelayedLock;
- (void)setAssetCollectionToObserveForTesting:(id)a0;
- (void)setContentPrivacyEnabled:(BOOL)a0;
- (void)setWillPerformAuthenticationAutomatically:(BOOL)a0;
- (BOOL)shouldLockAfterDelayWhenLeavingViewHierarchy;
- (BOOL)shouldOnlyPerformAutomaticAuthenticationOnceInStack;
- (BOOL)shouldPerformAuthenticationUponAppearing;
- (void)updateAuthenticationTypeImmediately;
- (void)viewDidAppearForAuthenticationContext:(id)a0;
- (void)viewDidDisappearForAuthenticationContext:(id)a0 withNavigationState:(unsigned long long)a1;

@end