import WebSocket from 'ws';
import type { AlertTypes } from './alert.types.ts';
import type { PlexServer } from './server.ts';
export declare class AlertListener {
    key: string;
    _ws?: WebSocket;
    private readonly server;
    callback: (data: AlertTypes) => void;
    constructor(server: PlexServer, callback: (data: AlertTypes) => void);
    run(): Promise<void>;
    stop(): void;
}