import { IndexedSelector } from '../IndexedSelector';
import './fullOuterGroupJoin';
import './defaultIfEmpty';
import { EqualityComparer } from '../blinq';
declare module '../Enumerable' {
    interface Enumerable<T> {
        fullOuterJoin<TRight, TKey, TOut>(this: Enumerable<T>, rightSeq: Iterable<TRight>, leftKeySelector: IndexedSelector<T, TKey>, rightKeySelector: IndexedSelector<TRight, TKey>, selector: (o: T | undefined, v: TRight | undefined, k: TKey) => TOut, equalityComparer?: EqualityComparer<TKey>): Enumerable<TOut>;
    }
}