@class BLSAssertion, NSString, BLSBacklightChangeEvent, NSHashTable, BLSHOnSystemSleepAction;
@protocol BLSHOSInterfaceProviding, BLSHBacklightHostTelemetryDelegate, BSTimerScheduleQuerying, BSInvalidatable, BLSHSystemActivityAsserting, BLSHBacklightStateMachineEventPerforming;
@interface BLSHBacklightStateMachine : NSObject <BLSHBacklightHostObserving, BLSHBacklightPlatformProviderObserver, BLSHDisableAlwaysOnProvider, BLSHBacklightHostTelemetrySource, BLSHBacklightStateMachineEventPerformerDelegate, BLSHOnSystemSleepActionDelegate, BLSBacklightProxy, BLSHBacklightHostObservable> {
id<BLSHOSInterfaceProviding> _osInterfaceProvider;
BLSHOnSystemSleepAction *_sleepAction;
id /* block */ _lock_sleepActionCompletion;
BLSBacklightChangeEvent *_lock_transitioningEvent;
BLSAssertion *_lock_flipbookPowerSavingAssertion;
id<BLSHSystemActivityAsserting> _lock_activeOnAPAwakeAssertion;
unsigned long long _lock_activeOnAPAwakeAssertionAcquireTime;
id<BSInvalidatable> _lock_unexpectedSleepDebounceTimer;
id<BLSHSystemActivityAsserting> _lock_performEventAPAwakeAssertion;
id<BSTimerScheduleQuerying, BSInvalidatable> _lock_activeOnAPAwakeTimeoutTimer;
NSHashTable *_lock_observers;
struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _lock;
unsigned long long _lock_nextEventID;
long long _lock_activityState;
BOOL _lock_alwaysOnEnabledResolved;
BOOL _lock_alwaysOnEnabledByPlatform;
BOOL _lock_alwaysOnDisabledByAssertion;
BOOL _lock_alwaysOnEnabledAfterInitialization;
BOOL _lock_alwaysOnSuppressed;
BOOL _lock_notifyingObserversWillTransitionToState;
BOOL _suppressionSupported;
BOOL _deviceSupportsAlwaysOn;
}
@property (readonly, nonatomic) long long backlightState;
@property (readonly, nonatomic, getter=isTransitioning) BOOL transitioning;
@property (readonly, nonatomic) BLSBacklightChangeEvent *activeTransitionEvent;
@property (readonly, nonatomic) id<BLSHBacklightStateMachineEventPerforming> eventPerformer;
@property (readonly) unsigned long long hash;
@property (readonly) Class superclass;
@property (readonly, copy) NSString *description;
@property (readonly, copy) NSString *debugDescription;
@property (nonatomic, getter=isAlwaysOnDisabledByAssertion) BOOL alwaysOnDisabledByAssertion;
@property (weak) id<BLSHBacklightHostTelemetryDelegate> telemetryDelegate;
@property (readonly, nonatomic) unsigned long long backlightStateChangeTimestamp;
@property (readonly, copy, nonatomic) NSString *backlightStateDescription;
@property (readonly, nonatomic) long long flipbookState;
@property (readonly, nonatomic, getter=isAlwaysOnEnabled) BOOL alwaysOnEnabled;
@property (readonly, nonatomic) BOOL deviceSupportsAlwaysOn;
@property (readonly, nonatomic, getter=isAlwaysOnSuppressed) BOOL alwaysOnSuppressed;
- (void)dealloc;
- (void)removeObserver:(id)a0;
- (id)initWithPlatformProvider:(id)a0 eventPerformer:(id)a1 osInterfaceProvider:(id)a2;
- (void)platformProvider:(id)a0 didChangeAlwaysOnSetting:(BOOL)a1;
- (id)performChangeRequest:(id)a0;
- (void)backlight:(id)a0 didCompleteUpdateToFlipbookState:(long long)a1 forEvents:(id)a2 abortedEvents:(id)a3;
- (void)platformProviderDidDetectSignificantUserInteraction:(id)a0;
- (void)systemSleepAction:(id)a0 performWithCompletion:(id /* block */)a1;
- (void)registerHandlersForService:(id)a0;
- (void).cxx_destruct;
- (void)eventPerformer:(id)a0 didUpdateVisualContentsToBeginTransitionToState:(long long)a1 forEvents:(id)a2 abortedEvents:(id)a3;
- (void)systemSleepAction:(id)a0 systemWillWakeForReason:(id)a1;
- (void)backlight:(id)a0 didCompleteUpdateToState:(long long)a1 forEvents:(id)a2 abortedEvents:(id)a3;
- (void)addObserver:(id)a0;
- (void)eventPerformer:(id)a0 didUpdateDisplayStateForState:(long long)a1 forEvents:(id)a2 abortedEvents:(id)a3;
- (void)performUnexpectedSleepRequest:(id)a0;
@end