@class NSString; @interface _UIForceMessage : NSObject <_UIForceObservationMessageConstructing> @property (nonatomic) double touchForce; @property (nonatomic) unsigned long long stage; @property (nonatomic) double timestamp; @property (readonly, nonatomic, getter=isReset) BOOL reset; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)reset; + (id)observe:(id /* block */)a0; @end