import * as http from 'node:http';
/** Options for {@link HttpServer}. */
export type HttpServerOptions = {
    /** Host/interface to bind. Default: `'0.0.0.0'`. */
    host?: string;
    /** Port to bind; `0` selects a free port. Default: `0`. */
    port?: number;
};
/** Local debug HTTP server exposing a tracing dashboard and status/stats endpoints. */
export declare class HttpServer {
    private _host;
    private _port;
    private _server;
    private _lock;
    private _worker;
    private _routesAdded;
    private _listening;
    constructor(opts?: HttpServerOptions);
    /** The underlying Node HTTP server. */
    get app(): http.Server;
    /** The bound port (resolved to the actual port after {@link start} when `0` was requested). */
    get port(): number;
    /** Attach the worker whose status and stats the debug endpoints report on. */
    setWorker(worker: any): void;
    /** Start listening. Resolves once the server is bound. */
    start(): Promise<void>;
    /** Stop listening and close the server. */
    close(): Promise<void>;
    private _dispatch;
    private _options;
    private _opt;
    private _executorTypeStr;
    private _stats;
    private _currentJobs;
    private static _entries;
    private static _get;
    private _sendJson;
    private _sendText;
    private _handleDashboard;
    private _workerDebug;
    private _runnersList;
    private _runnerDetails;
    private _healthCheck;
    private _workerStatus;
    private _workerStats;
    private _debugInfo;
    private _apiStatus;
}