@interface CUIPSDGradientOpacityStop : CUIPSDGradientStop <NSCoding> { double opacity; } + (void)initialize; + (id)opacityStopWithLocation:(double)a0 opacity:(double)a1; - (double)opacity; - (void)encodeWithCoder:(id)a0; - (id)description; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (double)opacityLocation; - (id)initWithLocation:(double)a0 opacity:(double)a1; - (BOOL)isOpacityStop; @end