@class CNObservableContractEnforcement, NSArray, NSString, CNVirtualScheduler, NSMutableArray; @interface CNTestableObserver : NSObject <CNObserver> { CNVirtualScheduler *_scheduler; CNObservableContractEnforcement *_enforcement; } @property (readonly) NSMutableArray *results; @property (readonly) NSArray *resultValues; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)observerWithScheduler:(id)a0; - (void)observerDidFailWithError:(id)a0; - (void)observerDidComplete; - (void)observerDidReceiveResult:(id)a0; - (id)initWithScheduler:(id)a0; - (void).cxx_destruct; @end