Init. Map does not function and only working on backend at the moment.

node_modules/engine.io/build/engine.io.d.ts

@@ -0,0 +1,28 @@
+import { Server, AttachOptions, ServerOptions } from "./server";
+import transports from "./transports/index";
+import * as parser from "engine.io-parser";
+export { Server, transports, listen, attach, parser };
+export type { AttachOptions, ServerOptions, BaseServer } from "./server";
+export { uServer } from "./userver";
+export { Socket } from "./socket";
+export { Transport } from "./transport";
+export declare const protocol = 4;
+/**
+ * Creates an http.Server exclusively used for WS upgrades.
+ *
+ * @param {Number} port
+ * @param {Function} callback
+ * @param {Object} options
+ * @return {Server} websocket.io server
+ * @api public
+ */
+declare function listen(port: any, options: AttachOptions & ServerOptions, fn: any): Server;
+/**
+ * Captures upgrade requests for a http.Server.
+ *
+ * @param {http.Server} server
+ * @param {Object} options
+ * @return {Server} engine server
+ * @api public
+ */
+declare function attach(server: any, options: AttachOptions & ServerOptions): Server;