import type { Point } from '../types/index.ts';
/**
 * Returns all min and max values of an array of points.
 * @param points - Array of points {x,y}.
 * @returns - Object with the 4 extrema.
 */
export declare function xyObjectMinMaxValues(points: Point[]): {
    minX: number;
    maxX: number;
    minY: number;
    maxY: number;
};
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