import type { Image } from '../../Image.ts';
import type { Point } from '../../index_full.ts';
/**
 * A function that calculates eigenvalues to calculate feature score for Harris and Shi-Tomasi algorithms.
 * @param image - Image take data from.
 * @param origin - Center of the window, where the corner should be.
 * @param windowSize - Size of the window, where data should be scanned.
 * @returns Array of two eigenvalues.
 */
export declare function getEigenvaluesForScore(image: Image, origin: Point, windowSize?: number): number[];
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