import type { DataXY } from 'cheminfo-types';
import type { PointWithIndex } from '../types/index.ts';
export interface XYMinYPointOptions {
    /**
     * First value for xyMinYPoint in the X scale
     */
    from?: number;
    /**
     * First point for xyMinYPoint
     * @default 0
     */
    fromIndex?: number;
    /**
     *  Last point for xyMinYPoint
     * @default x.length-1
     */
    toIndex?: number;
    /**
     * Last value for xyMinYPoint in the X scale
     */
    to?: number;
}
/**
 * Finds the min y value in a range and return a {x,y} point
 * @param data - object that contains property x (an ordered increasing array) and y (an array).
 * @param options - options.
 */
export declare function xyMinYPoint(data: DataXY, options?: XYMinYPointOptions): PointWithIndex;
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