import type { Point } from '../types/index.ts';
export interface XYObjectBestPointsOptions {
    /**
     * min X value of the window to consider
     */
    from?: number;
    /**
     * max X value of the window to consider
     */
    to?: number;
    /**
     * max number of points
     * @default 20
     */
    limit?: number;
    /**
     * minimal intensity compare to more intense
     * @default 0.01
     */
    threshold?: number;
    /**
     * number of slots
     * @default 50
     */
    numberCloseSlots?: number;
    /**
     * define the number of slots and indirectly the slot width
     * @default 10
     */
    numberSlots?: number;
}
/**
 * Filter the array by taking the higher points (max y value) and only.
 * Keep one per slot. There are 2 different slots, the smallest one will have the
 * new property `close` to true
 * @param points - array of all the points
 * @param options - Options
 * @returns - copy of points with 'close' property
 */
export declare function xyObjectBestPoints(points: Point[], options?: XYObjectBestPointsOptions): Point[];
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