@class NSString; @interface HKAudiogramChartData : NSObject <HKGraphSeriesChartData> @property (readonly, nonatomic) double frequencyHertz; @property (readonly, nonatomic) double sensitivityDBHL; @property (readonly, nonatomic) BOOL isLeftEar; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (id)initWithFrequency:(double)a0 sensitivity:(double)a1 isLeftEar:(BOOL)a2; @end