@class CIImage, NSNumber; @interface CIPhotoGrain : CIFilter @property (retain, nonatomic) CIImage *inputImage; @property (copy, nonatomic) NSNumber *inputISO; @property (copy, nonatomic) NSNumber *inputAmount; @property (copy, nonatomic) NSNumber *inputSeed; + (id)customAttributes; - (id)_grainBlendAndMixKernel; - (id)_paddedTileKernel; - (id)outputImage; - (id)_interpolateGrainKernel; @end