import type { Server } from 'node:http';
import type { ProcessDestroySignal, Services } from './typings';
import express from 'express';
export default class App {
    services: Services;
    express: express.Express | null;
    server: Server | null;
    isAlive: boolean;
    constructor(services: Services);
    bind(): this;
    start(): Promise<this | undefined>;
    stop(): Promise<unknown>;
    restart(): Promise<this>;
    signalHandler(signal: ProcessDestroySignal): () => Promise<NodeJS.Timeout>;
    errorHandler(signal: ProcessDestroySignal): (err: Error) => Promise<NodeJS.Timeout>;
    /**
     * Cleanup and stop the process properly, then exit the process.
     * @param signal - Signal to stop the process with
     * @param err - Error that caused the destruction of the process
     */
    destroy(signal: ProcessDestroySignal, err?: Error): Promise<NodeJS.Timeout>;
}