import { Ord, ArrOrdFunc } from '../typings/types';
interface MaxBy {
    <T, R extends Ord>(fn: ArrOrdFunc<T, R>, arr: ArrayLike<T>): T;
    <T, R extends Ord>(fn: ArrOrdFunc<T, R>): (arr: ArrayLike<T>) => T;
}
/**
 * Return max value in array, depending on result of calling `fn`
 *
 * @param {Function} fn The function invoked per element.
 * @param {Array} arr
 * @returns {*} Returns the maximum value.
 * @example
 *
 *      var objects = [{ 'n': 1 }, { 'n': 2 }];
 *
 *      maxBy(o => o.n, objects); // => { 'n': 2 }
 *
 */
declare const _default: MaxBy;
export default _default;