import EnumeratorBase from "./EnumeratorBase";
import { Undefinable } from '../Types';
import { IEnumerator } from './_types';
/**
 *
 */
export default class AggregateEnumerator<T, TReturn> extends EnumeratorBase<TReturn> implements IEnumerator<TReturn> {
    #private;
    constructor(enumerator: IEnumerator<T>, aggregateFunction: (acumulate: TReturn, current: T) => TReturn, initialValue?: TReturn);
    get current(): TReturn;
    moveNext(): boolean;
    peek(): Undefinable<TReturn>;
    reset(): void;
}