import type { IAcmeServerOptions } from './server.interfaces.js';
/**
 * ACME Directory Server — a self-contained RFC 8555 Certificate Authority.
 *
 * Usage:
 * ```ts
 * const server = new AcmeServer({ port: 14000 });
 * await server.start();
 * console.log(server.getDirectoryUrl()); // http://localhost:14000/directory
 * ```
 */
export declare class AcmeServer {
    private options;
    private httpServer;
    private ca;
    private baseUrl;
    constructor(options?: IAcmeServerOptions);
    start(): Promise<void>;
    stop(): Promise<void>;
    getDirectoryUrl(): string;
    getCaCertPem(): string;
}