@class NSString, NSArray, CADisplayLink, _UIMotionEffectEventProvider, _UILazyMapTable, NSMutableSet, _UIMotionEffectEvent, _UIAssociationTable, NSMapTable;
@interface _UIMotionEffectEngine : NSObject <_UIMotionEffectEventConsumer> {
_UIAssociationTable *_effectViewAssociationTable;
_UILazyMapTable *_analyzerSettingsToAnalyzers;
NSMapTable *_analyzersToEffects;
NSMapTable *_suspendedViewsToEffectSets;
_UIMotionEffectEventProvider *_eventProvider;
BOOL _hasReceivedAtLeastOneEventSinceStarting;
_UIMotionEffectEvent *_pendingEvent;
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _pendingEventLock;
CADisplayLink *_displayLink;
BOOL _generatingUpdates;
NSMutableSet *_suspendReasons;
_UIMotionEffectEvent *_lastEvent;
BOOL _slowUpdatesEnabled;
BOOL _pendingSlowDown;
long long _eventProviderStatus;
BOOL _allAnalyzersAreCentered;
BOOL _hasAppliedAtLeastOneUpdateSinceStarting;
BOOL _isPendingReset;
int _thermalNotificationToken;
int _screenDimmingNotificationToken;
}
@property (nonatomic, setter=_setTargetInterfaceOrientation:) long long _targetInterfaceOrientation;
@property (readonly, nonatomic) NSArray *suspensionReasons;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;
+ (Class)_analyzerClass;
+ (BOOL)_motionEffectsSupported;
+ (BOOL)_motionEffectsEnabled;
+ (Class)_eventProviderClass;
- (id)init;
- (void)dealloc;
- (BOOL)_hasMotionEffectsForView:(id)a0;
- (BOOL)_motionEffect:(id)a0 belongsToView:(id)a1;
- (void)endSuspendingForReason:(id)a0;
- (void)_unapplyAllEffects;
- (BOOL)_shouldGenerateUpdates;
- (void)updateWithEvent:(id)a0;
- (id)_motionEffectsForView:(id)a0;
- (void)_unregisterMotionEffect:(id)a0 fromView:(id)a1;
- (void)_unregisterAllMotionEffectsForView:(id)a0;
- (void)beginApplyingMotionEffect:(id)a0 toView:(id)a1;
- (void)beginSuspendingMotionEffectsForView:(id)a0;
- (void)beginSuspendingForReason:(id)a0;
- (BOOL)_motionEffectsAreSuspendedForView:(id)a0;
- (void)endApplyingMotionEffect:(id)a0 toView:(id)a1;
- (void).cxx_destruct;
- (void)_startOrStopGeneratingUpdates;
- (void)endSuspendingMotionEffectsForView:(id)a0;
- (void)updateEventProviderStatus:(long long)a0;
- (void)_startGeneratingUpdates;
- (void)_applyEffectsFromAnalyzer:(id)a0;
- (void)resetMotionAnalysis;
- (BOOL)_isSuspended;
- (void)_stopGeneratingUpdates;
- (void)_handleLatestDeviceMotion;
- (void)_updateDisplayLinkInterval;
- (void)_toggleSlowUpdates;
@end