import express from "express";
import { Socket } from "socket.io";
import * as mongoDB from "mongodb";
export declare class AntiDdosMiddleware {
    private static readonly FIVE_MINUTE_TS;
    private static readonly K_MULTIPLE_WHITE_LIST;
    private static readonly K_MULTIPLE_BLACK_LIST;
    private socketRequestPerIPDic;
    private socketRequestPerPeerDic;
    private httpRequestPerIPDic;
    private httpRequestPerPeerDic;
    private currentHttpRequestCount;
    private currentSocketRequestCount;
    private currentHttpUploadRequestCount;
    private currentHttpDownloadRequestCount;
    private reportDdosCollection;
    private banDdosCollection;
    private socketMaxRequestPerSecondPerIp;
    private socketMaxRequestPerSecondPerPeer;
    private socketMaxPendingRequest;
    private socketMaxRequestSize;
    private httpMaxRequestPerSecondPerIp;
    private httpMaxRequestPerSecondPerPeer;
    private httpMaxPendingRequest;
    private httpMaxRequestSize;
    private maxUploadPendingRequest;
    private maxDownloadPendingRequest;
    private defaultIPWhiteLst;
    private ipWhiteLst;
    private ipBlackLst;
    setReportDdosCollection(reportDdosCollection: mongoDB.Collection<mongoDB.Document>): void;
    setBanDdosCollection(banDdosCollection: mongoDB.Collection<mongoDB.Document>): void;
    setSocketMaxRequestPerSecondPerIp(socketMaxRequestPerSecondPerIp: number): void;
    setSocketMaxRequestPerSecondPerPeer(socketMaxRequestPerSecondPerPeer: number): void;
    setSocketMaxPendingRequest(socketMaxPendingRequest: number): void;
    setSocketMaxRequestSize(socketMaxRequestSize: number): void;
    setHttpMaxRequestPerSecondPerIp(httpMaxRequestPerSecondPerIp: number): void;
    setHttpMaxRequestPerSecondPerPeer(httpMaxRequestPerSecondPerPeer: number): void;
    setHttpMaxPendingRequest(httpMaxPendingRequest: number): void;
    setHttpMaxRequestSize(httpMaxRequestSize: number): void;
    setMaxUploadPendingRequest(maxUploadPendingRequest: number): void;
    setMaxDownloadPendingRequest(maxDownloadPendingRequest: number): void;
    setIPWhiteList(ipWhiteList: string[]): void;
    checkRequestSizeBodyViaJson(req: express.Request, res: express.Response, next: Function): Promise<any>;
    checkRequestSizeBodyViaMsgPack(req: express.Request, res: express.Response, next: Function): Promise<any>;
    private getReturnCodeForRequestSizeHttp;
    checkRequestSizeBodyViaSocketMsgPack(socket: Socket, data: any, next: Function): Promise<any>;
    checkRequestSizeBodyViaSocketJson(socket: Socket, data: any, next: Function): Promise<any>;
    checkMaxRequestPerSecondPerIpViaSocket(socket: Socket, data: any, next: Function): Promise<any>;
    checkMaxRequestPerSecondPerPeerViaSocket(socket: Socket, data: any, next: Function): Promise<any>;
    checkMaxRequestPerSecondPerIpViaJson(req: express.Request, res: express.Response, next: Function): Promise<any>;
    checkMaxUploadRequestPerSecondPerIp(req: express.Request, res: express.Response, next: Function): Promise<any>;
    checkMaxRequestPerSecondPerIpViaMsgPack(req: express.Request, res: express.Response, next: Function): Promise<any>;
    private getReturnCodeForMaxRequestPerSecondPerIp;
    checkMaxRequestPerSecondPerPeerViaJson(req: express.Request, res: express.Response, next: Function): Promise<any>;
    checkMaxUploadRequestPerSecondPerPeer(req: express.Request, res: express.Response, next: Function): Promise<any>;
    checkMaxRequestPerSecondPerPeerViaMsgPack(req: express.Request, res: express.Response, next: Function): Promise<any>;
    private getReturnCodeForMaxRequestPerSecondPerPeer;
    addPendingRequestViaJson(req: express.Request, res: express.Response, next: Function): Promise<any>;
    addPendingRequestViaMsgPack(req: express.Request, res: express.Response, next: Function): Promise<any>;
    private getReturnCodeForPendingRequest;
    removePendingRequest(req: express.Request, res: express.Response): void;
    addPendingUploadRequest(req: express.Request, res: express.Response, next: Function): Promise<any>;
    removePendingUploadRequest(req: express.Request, res: express.Response): void;
    addPendingRequestViaSocket(socket: Socket, data: any, next: Function): any;
    removePendingRequestViaSocket(socket: Socket, data: any): void;
    addPendingDownloadRequest(req: express.Request, res: express.Response, next: Function): Promise<any>;
    removePendingDownloadRequest(req: express.Request, res: express.Response): void;
    run(): void;
    private getBanDdos;
    private clearHttpRequestPerIPDic;
    private clearHttpRequestPerPeerDic;
    private clearSocketRequestPerIPDic;
    private clearSocketRequestPerPeerDic;
    constructor();
}