@class NSString, NTKFaceCollection, NSMutableArray, NSObject; @protocol OS_dispatch_queue; @interface NTKDLoadOnceCollectionObserver : NSObject <NTKFaceCollectionObserver> { NTKFaceCollection *_collection; NSMutableArray *_handlers; NSObject<OS_dispatch_queue> *_queue; BOOL _hasLoaded; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end