 //
 
 import Foundation
+
+public typealias GradientGenerator = () -> CIImage
 
 public extension LightRoom {
     

                        "inputRadius1": radius1,
                        "inputColor0": color0,
                        "inputColor1": color1,
                        kCIInputImageKey: image
                    ]
                    
                    let filter = CIFilter(name: "CIRadialGradient", withInputParameters: parameters)

                        "inputPoint1": point1.CIVector,
                        "inputColor0": color0,
                        "inputColor1": color1,
                    ]
                    
                    let filter = CIFilter(name: "CILinearGradient", withInputParameters: parameters)
