@class NSString, CNObservableContractTerminationContext; @interface CNObservableContractEnforcement : NSObject <CNObserver> { unsigned long long _state; CNObservableContractTerminationContext *_terminationContext; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (BOOL)shouldSwizzleNilResults; + (id)os_log; + (BOOL)shouldEnforceRxProtocols; @end