import type { _CIImage } from "./CIImage.js";
export interface _CIDistanceGradientFromRedMask {
    /**
     * The input image whose red channel defines a mask. If the red channel pixel value is greater than 0.5 then the point is considered in the mask and output pixel will be zero. Otherwise the output pixel will be a value between zero and one.
     */
    inputImage?(): _CIImage | null;
    setInputImage$?(value: _CIImage | null): void;
    /**
     * Determines the maximum distance to the mask that can be measured. Distances between zero and the maximum will be normalized to zero and one.
     */
    maximumDistance?(): number;
    setMaximumDistance$?(value: number): void;
}
