@interface HKInteractiveChartAppleWalkingSteadinessFormatter : HKInteractiveChartGenericStatFormatter - (id)formattedSelectedRangeLabelDataWithChartData:(id)a0 context:(long long)a1; - (id)unitStringFromUnit:(id)a0 number:(id)a1; - (id)_formattedCurrentValueForChartData:(id)a0 context:(long long)a1; - (id)attributedStringWithValue:(double)a0 unit:(id)a1 showUnit:(BOOL)a2; - (id)selectedRangeSeparatorString; @end