import { DIContainer, Logger } from "../../common";
import { Middleware, MiddlewareRegistry } from "../common";
import { Drainable } from "../events/graceful-shutdown";
import { HttpApp, HttpPlugin, PluginManager } from "./types";
import { Route } from "./route";
import { RouteGroup } from "./route.group";
import { RouteRegistry } from "./route.registry";
import { Router } from "./router";
export declare abstract class BaseHttpApp<Framework = any> implements HttpApp<Framework> {
    protected routes: Router;
    readonly __isHttpApp = true;
    private static processHandlersRegistered;
    private static activeApps;
    protected routeRegistry: RouteRegistry;
    protected middlewareRegistry: MiddlewareRegistry;
    protected container: DIContainer;
    protected pluginManager: PluginManager;
    protected logger: Logger;
    protected state: 'stopped' | 'starting' | 'started' | 'stopping';
    protected drainables: Drainable[];
    constructor(routes: Router, logger?: Logger);
    getLogger(): Logger;
    registerDrainable(resource: Drainable): this;
    getDrainables(): readonly Drainable[];
    abstract start(port: number): Promise<void>;
    abstract stop(): Promise<void>;
    abstract getApp(): Framework;
    abstract getServer<T>(): T;
    abstract initializeFramework(): void;
    getRouteRegistry(): RouteRegistry;
    getMiddlewareRegistry(): MiddlewareRegistry;
    getContainer(): DIContainer;
    register(...item: (Route | RouteGroup)[]): this;
    useMiddleware(...middlewares: Middleware[]): this;
    usePlugin(plugin: HttpPlugin, options?: any): this;
    getPlugin(pluginName: string): HttpPlugin | undefined;
    listPlugins(): HttpPlugin[];
    isDevelopment(): boolean;
    isProduction(): boolean;
    isTest(): boolean;
    isStaging(): boolean;
    protected beforeStart(): Promise<void>;
    protected afterStart(): Promise<void>;
    protected beforeStop(): Promise<void>;
    protected afterStop(): Promise<void>;
    private static setupProcessHandlers;
    gracefulShutdown(signals?: string[]): Promise<void>;
    private static drainResource;
}
export { Drainable } from "../events/graceful-shutdown";