import { TypedEventEmitter } from "@libp2p/interface";
import { PeerDiscovery, PeerDiscoveryEvents, Startable } from "@libp2p/interface";
import type { Libp2pComponents, PeerCacheDiscoveryOptions } from "@waku/interfaces";
export declare class PeerCacheDiscovery extends TypedEventEmitter<PeerDiscoveryEvents> implements PeerDiscovery, Startable {
    private readonly components;
    private isStarted;
    private readonly cache;
    constructor(components: Libp2pComponents, options?: Partial<PeerCacheDiscoveryOptions>);
    get [Symbol.toStringTag](): string;
    start(): Promise<void>;
    stop(): void | Promise<void>;
    private handleDiscoveredPeer;
    private discoverPeers;
    private readPeerInfoFromCache;
    private writePeerInfoToCache;
}
export declare function wakuPeerCacheDiscovery(options?: Partial<PeerCacheDiscoveryOptions>): (components: Libp2pComponents) => PeerCacheDiscovery;