tunnelmole/src/messages/forwarded-response-message.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

export default interface ForwardedResponseMessage
{
    type: "forwardedResponse",
    requestId: string,
    url: string,
    statusCode: number,
    headers: any,
    body: string // Base64 encoded
}