/// <reference types="node" />
import { Server } from 'http';
import { PortManager } from '../modules/port-manager';
type StartServer = (port: number) => Promise<void>;
/**
 * Starts a server with auto-assigned port from PortManager.
 *
 * The function will re-try on a different port if the startServer function throws
 * an error with property code: 'EADDRINUSE', for a maximum of 5 attempts.
 *
 * @param startServer An async function responsible for starting the server on a given port
 * @param portManager The manager responsible for assigning and reserving ports
 * @returns The port number on which the server is successfully started
 */
export declare function startServerWithRetry(startServer: StartServer, portManager: PortManager): Promise<number>;
/**
 * Starts an HTTP server on the given port.
 */
export declare function startHttpServer(server: Server, port: number): Promise<void>;
export declare function closeHttpServer(server: Server): Promise<void>;
export {};