import { BeforeApplicationShutdown, OnApplicationBootstrap, OnApplicationShutdown } from '@nestjs/common';
import { NestExpressApplication } from '@nestjs/platform-express';
export interface AppLifecycleType {
    beforeBootstrap?: (app: NestExpressApplication) => Promise<void>;
    appStarted?: () => Promise<void>;
}
export declare class LifecycleRegister {
    static handlers: AppLifecycleType[];
    static reg(handler: AppLifecycleType): void;
}
export declare class AppLifecycle implements OnApplicationShutdown, OnApplicationBootstrap, BeforeApplicationShutdown {
    static onInit(app: NestExpressApplication): Promise<void>;
    static beforeBootstrap(app: NestExpressApplication): Promise<void>;
    static onAppStartListening(app: NestExpressApplication): Promise<void>;
    onApplicationBootstrap(): Promise<void>;
    beforeApplicationShutdown(signal?: string): Promise<void>;
    onApplicationShutdown(signal?: string): Promise<void>;
}