import { Server } from "http";
import { Application } from "express";
import { Container } from "inversify";
import { ILogger } from "@ts-awesome/logger";
import { IoCSetup } from "./server";
import { HealthMonitor } from "./health-monitor";
import { HealthStatus, IServer } from "./interfaces";
export declare abstract class BaseApplicationServer implements IServer {
    protected readonly containerConfigurator: IoCSetup;
    protected readonly port: number;
    protected readonly hostname: string;
    private _app;
    protected readonly resourceManager: HealthMonitor;
    protected readonly container: Container;
    protected live: boolean;
    protected ready: boolean;
    protected server?: Server;
    protected readonly logger: ILogger;
    /**
     * prepare your express app
     * @param app
     * @protected
     */
    protected abstract configure(app: Application): void;
    /**
     * make sure app is ready for requests
     * @protected
     */
    protected startup(): Promise<void>;
    /**
     * clean up before app goes down
     * @protected
     */
    protected cleanup(): Promise<void>;
    /**
     * check if app is still alive and ready for requests
     * @protected
     */
    protected heartbeat(): Promise<HealthStatus>;
    protected constructor(containerConfigurator: IoCSetup, port?: number, hostname?: string);
    start(): Promise<void>;
    stop(): Promise<void>;
}