import type { DataXY } from 'cheminfo-types';
import type { PointWithIndex } from '../types/index.ts';
export interface XYMaxClosestYPointOptions {
    target?: number;
    /**@default 0 */
    targetIndex?: number;
}
/**
 * Find the closest maximum going up hill
 * @param data - object that contains property x (an ordered increasing array) and y (an array).
 * @param options - options.
 * @returns an object with the x/y value.
 */
export declare function xyMaxClosestYPoint(data: DataXY, options?: XYMaxClosestYPointOptions): PointWithIndex;
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