import { Image } from '../Image.js';
import { Mask } from '../Mask.js';
export interface ErodeOptions {
    /**
     * Matrix with odd dimensions (e.g. 1 by 3). The kernel can only have ones and zeros.
     * Accessing a value: kernel[row][column].
     * @default `[[1, 1, 1], [1, 1, 1], [1, 1, 1]]`
     */
    kernel?: number[][];
    /**
     * Number of iterations of the algorithm.
     * @default `1`
     */
    iterations?: number;
}
export declare function erode(image: Image, options?: ErodeOptions): Image;
export declare function erode(image: Mask, options?: ErodeOptions): Mask;
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