import type { IExpiringMap, NExpiringMap } from "../..";
export declare class ExpiringMap<K, V> extends Map<K, V> implements IExpiringMap<K, V> {
    private valueTimeout;
    private readonly interval;
    private readonly emitter;
    private readonly timer;
    private updateTimeOnGet;
    private deletionTimes;
    constructor(options?: NExpiringMap.Options);
    set(key: K, value: V): this;
    get(key: K): V | undefined;
    destroy(): void;
    delete(key: K): boolean;
    on(event: "timeout", listener: (key: K, val?: V) => void): void;
    on(event: "delete", listener: (key: K) => void): void;
    once(event: string | symbol, listener: (...args: any[]) => void): void;
    removeListener(event: string | symbol, listener: (...args: any[]) => void): void;
    private purge;
    private updateTime;
}