@class CIImage, NSNumber; @interface CIColorControls : CIFilter @property (retain, nonatomic) CIImage *inputImage; @property (retain, nonatomic) NSNumber *inputSaturation; @property (retain, nonatomic) NSNumber *inputBrightness; @property (retain, nonatomic) NSNumber *inputContrast; + (id)customAttributes; - (id)outputImage; @end