@interface FIUIChartColor : NSObject { struct CGGradient { } *_gradient; struct CGColor { } *_color; } @property (nonatomic) double threshold; - (void)drawInRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0 inContext:(struct CGContext { } *)a1; - (id)initWithThreshold:(double)a0 color:(id)a1; - (id)initWithThreshold:(double)a0 startColor:(id)a1 endColor:(id)a2; @end