@interface _HKRelativeLineSeriesBlockCoordinate : _HKLineSeriesBlockCoordinate @property (readonly, nonatomic) struct CGPoint { double x; double y; } start; @property (readonly, nonatomic) struct CGPoint { double x; double y; } end; @property (readonly, nonatomic) struct CGPoint { double x0; double x1; } midpoint; - (id)description; - (id)copyWithTransform:(struct CGAffineTransform { double x0; double x1; double x2; double x3; double x4; double x5; })a0 roundToViewScale:(BOOL)a1; - (double)endXValue; - (double)startXValue; - (id)initWithStart:(struct CGPoint { double x0; double x1; })a0 end:(struct CGPoint { double x0; double x1; })a1 userInfo:(id)a2; @end