@class NSString, NSMutableArray, IPLocalStateUpdateStream; @interface IPLocalStateUpdateStreamSink : NSObject <IPStateUpdateStreamSink> { IPLocalStateUpdateStream *_weakStream; NSMutableArray *_queuedUpdateMessages; struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } _resumptionLock; BOOL _resumed; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @end