import { PlainObject, GSCloudEvent, GSStatus, GSEventSource } from "@godspeedsystems/core";
import express from "express";
export default class EventSource extends GSEventSource {
    initClient(): Promise<PlainObject>;
    setupMiddleware(app: express.Express): void;
    setupAuthentication(app: express.Express): void;
    setupJwtAuthentication(app: express.Express, jwtConfig: PlainObject): void;
    setupGoogleAuthentication(app: express.Express, googleConfig: PlainObject): void;
    setupLinkedInAuthentication(app: express.Express, linkedinConfig: PlainObject): void;
    setupGithubAuthentication(app: express.Express, githubConfig: PlainObject): void;
    setupMetrics(app: express.Express): void;
    private authnHOF;
    subscribeToEvent(eventRoute: string, eventConfig: PlainObject, processEvent: (event: GSCloudEvent, eventConfig: PlainObject) => Promise<GSStatus>, event?: PlainObject): Promise<void>;
}
declare const SourceType = "ES";
declare const Type = "express";
declare const CONFIG_FILE_NAME = "http";
declare const DEFAULT_CONFIG: {
    port: number;
    docs: {
        endpoint: string;
    };
};
export { EventSource, SourceType, Type, CONFIG_FILE_NAME, DEFAULT_CONFIG };