import { Express, Router } from "express";
import Application from "./Application.js";
import Middleware, { MiddlewareType } from "./Middleware.js";
export default abstract class ApplicationComponent {
    private currentRouter?;
    private app?;
    checkSecuritySettings?(): Promise<void>;
    init?(): Promise<void>;
    initRoutes?(router: Router): Promise<void>;
    handleRoutes?(router: Router): Promise<void>;
    start?(expressApp: Express): Promise<void>;
    stop?(): Promise<void>;
    isReady(): boolean;
    protected prepare(name: string, prepare: () => Promise<void>): Promise<void>;
    protected close(thingName: string, fn: (callback: (err?: Error | null) => void) => void): Promise<void>;
    protected checkSecurityConfigField(field: string): void;
    protected use<M extends Middleware>(middleware: MiddlewareType<M>): void;
    setCurrentRouter(router: Router | null): void;
    protected getApp(): Application;
    setApp(app: Application): void;
}