@protocol _UIMotionEffectEventConsumer; @interface _UIMotionEffectEventProvider : NSObject @property id<_UIMotionEffectEventConsumer> consumer; - (BOOL)shouldLogEvents; - (double)slowUpdateIntervalForLogs; - (void)setSlowUpdatesEnabled:(BOOL)a0; - (double)fastUpdateIntervalForLogs; - (void)stopGeneratingEvents; - (id)currentEvent; - (void)startGeneratingEvents; - (BOOL)wantsSynchronizedUpdates; @end