@interface _TtCC19HealthVisualization35DiagramAxisMetricsCalculatorFactory23HiLoScalarAxisDimension : HKAxisLabelDimensionScalar {
    void /* unknown type, empty encoding */ displayType;
    void /* unknown type, empty encoding */ valueFormatter;
    void /* unknown type, empty encoding */ unitPreferenceController;
}

- (id)init;
- (void).cxx_destruct;
- (id)stringForLocation:(id)a0 formatterForStepSize:(id)a1;

@end