@interface HKInteractiveChartCardioFitnessFormatter : HKInteractiveChartGenericStatFormatter - (id)formattedSelectedRangeLabelDataWithChartData:(id)a0 context:(long long)a1; - (id)_attributedCurrentCardioFitnessClassificationForChartData:(id)a0; - (id)_formattedCurrentValueForChartData:(id)a0 context:(long long)a1; @end