@class CIImage, CIVector, NSNumber; @interface CIFusionDelta : CIFilter { CIImage *inputImage; CIVector *inputAddBlur; CIVector *inputRemoveBlur; NSNumber *inputApertureScaling; NSNumber *inputMaxBlur; } + (id)customAttributes; - (BOOL)_isIdentity; - (id)outputImage; - (id)kernel; @end