import { BasicEnumerable } from "../BasicEnumerable";
import type { IEqualityComparer } from "../../types";
export declare const groupJoin: <TOuter, TInner, TKey, TResult>(outer: Iterable<TOuter>, inner: Iterable<TInner>, outerKeySelector: (value: TOuter) => TKey, innerKeySelector: (value: TInner) => TKey, resultSelector: (element: TOuter, collection: TInner[]) => TResult, comparer?: IEqualityComparer<TKey>) => BasicEnumerable<TResult>;