@class NSHashTable, NSObject;
@protocol OS_dispatch_queue, OS_dispatch_group;
@interface AFPineBoardSystemStateObserver : NSObject {
NSObject<OS_dispatch_queue> *_queue;
NSObject<OS_dispatch_group> *_pineBoardStateGroup;
long long _pineBoardStateGroupDepth;
NSHashTable *_listeners;
}
@property (readonly, nonatomic) long long pineBoardSystemState;
+ (id)defaultObserver;
- (void)addListener:(id)a0;
- (void)removeListener:(id)a0;
- (id)initWithQueue:(id)a0;
- (void)_endGroup;
- (void)_beginGroup;
- (void).cxx_destruct;
- (void)_handlePineBoardStateChange:(long long)a0;
- (void)_startObservingPineBoardSystemState;
@end