@interface HKOverlayContextUtilities : NSObject

+ (id)defaultMetricColorsForOverlayMode:(long long)a0;
+ (id)selectedMetricColorsForCategory:(long long)a0;
+ (void)setStackedSeriesLegend:(id)a0 title:(id)a1;
+ (id)stackedAxisConfiguration;
+ (id)stackedChartMetricColorsForSampleType:(id)a0 templateType:(id)a1;

@end