@class NSString; @interface SpringFactory : NSObject <_UIBasicAnimationFactory> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedFactory; - (id)_timingFunctionForAnimation; - (id)_basicAnimationForView:(id)a0 withKeyPath:(id)a1; @end