tunnelmole/dist/src/messages/forwarded-request-message.d.ts

Tunnelmole, an open source ngrok alternative. Instant public URLs for any http/https based application. Available as a command line application or as an NPM dependency for your code. Stable and maintained. Good test coverage. Works behind firewalls

import { Headers } from "../http/headers";
export default interface ForwardedRequestMessage {
    type: string;
    requestId: string;
    url: string;
    method: string;
    headers: Headers;
    body: string;
}