/// <reference types="node" />
import { HttpServerConfig } from './types';
import { HttpService } from './HttpService';
import { Logger } from 'ts-log';
import { ProviderError } from '@cardano-sdk/core';
import { RunnableModule } from '@cardano-sdk/util';
import express from 'express';
import http from 'http';
export interface HttpServerDependencies {
    services: HttpService[];
    runnableDependencies?: RunnableModule[];
    logger: Logger;
}
export declare class HttpServer extends RunnableModule {
    #private;
    app: express.Application;
    server: http.Server;
    constructor(config: HttpServerConfig, { logger, ...rest }: HttpServerDependencies);
    private checkReqVersion;
    protected initializeImpl(): Promise<void>;
    static sendJSON<ResponseBody>(res: express.Response<ResponseBody | ProviderError>, obj: ResponseBody | ProviderError, statusCode?: number): void;
    protected startImpl(): Promise<void>;
    protected shutdownImpl(): Promise<void>;
    private initMetrics;
}
//# sourceMappingURL=HttpServer.d.ts.map