import http from 'node:http';
import { Application } from 'express';

interface Cardinal {
    app: Application | null;
    server: http.Server | null;
    teardownHandlers: Array<() => Promise<void>>;
    isShuttingDown: boolean;
}
declare const cardinal: Cardinal;
declare function teardown(handler: () => Promise<void>): void;
declare function shutdown(): Promise<void>;
type MiddlewareSetup = (app: Application) => void | Promise<void>;
declare function setup(middleware?: MiddlewareSetup): Promise<void>;
declare function create(middleware?: MiddlewareSetup): {
    app: Application;
    server: http.Server;
    shutdown: typeof shutdown;
};

export { type MiddlewareSetup, cardinal, create, setup, shutdown, teardown };