@class NSString; @interface AFInstrumentationObserverConnection : NSObject <AFInvalidating> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)flushWithCompletion:(id /* block */)a0; - (void)invalidate; - (id)initWithObservation:(id /* block */)a0; - (id)initWithObservation:(id /* block */)a0 filterByInstrumentationTypes:(id)a1; - (void)waitUntilInvalidated; @end