@class NSSet, NSObject;
@protocol OS_dispatch_queue;
@interface _SBSDisplayIdentifiersCache : NSObject {
NSObject<OS_dispatch_queue> *_queue;
NSSet *_displayIdentifiers;
int _changedToken;
id /* block */ _changedBlock;
}
+ (id)sharedInstance;
- (id)init;
- (void)dealloc;
- (void)_queue_noteChanged;
- (void)registerChangedBlock:(id /* block */)a0;
- (void).cxx_destruct;
- (id)displayIdentifiers;
@end