import { HttpPlugin, HttpApp } from '../types';
import { Logger } from '../../../common';
export declare class PingPlugin implements HttpPlugin {
    readonly name = "ping";
    private logger;
    install<Framework>(app: HttpApp<Framework>, logger?: Logger): Promise<void>;
    uninstall<Framework>(app: HttpApp<Framework>): void;
    beforeStart<Framework>(app: HttpApp<Framework>): void;
    afterStart<Framework>(app: HttpApp<Framework>): void;
    beforeStop<Framework>(app: HttpApp<Framework>): void;
    afterStop<Framework>(app: HttpApp<Framework>): void;
    gracefulShutdown<Framework>(app: HttpApp<Framework>, signals?: string[]): Promise<void>;
    private registerPingRoute;
}