import { Comparer } from "ts-comparer-builder";
import { IndexedSelector } from "../../types/IndexedSelector";
export declare function _minMaxByImpl<T, TKey>(src: Iterable<T>, selector: IndexedSelector<T, TKey>, comparer: Comparer<TKey>): Iterable<T>;
export declare const minMaxByImpl: <T, TKey>(selector: IndexedSelector<T, TKey>, comparer: Comparer<TKey>) => (src: Iterable<T>) => Iterable<T>;