import { IEnumerator } from '../enumerator';
export declare class MapEnumerator<T extends [TKey, TValue], TKey, TValue> implements IEnumerator<T> {
    current?: T;
    private _source;
    private keys;
    private _idx;
    constructor(source: Map<TKey, TValue>);
    moveNext(): boolean;
    reset(): void;
    [Symbol.iterator](): Iterator<T>;
}