declare module "httpolyglot" {
  import * as http from "http"
  import * as https from "https"

  function createServer(requestListener?: (req: http.IncomingMessage, res: http.ServerResponse) => void): http.Server
  function createServer(
    options: https.ServerOptions,
    requestListener?: (req: http.IncomingMessage, res: http.ServerResponse) => void
  ): https.Server
}