fix

lib/test/test.d.ts

@@ -0,0 +1 @@
+export {};

lib/test/test.js

@@ -0,0 +1,19 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const RPCSocketServer_1 = require("../src/backend/RPCSocketServer");
+//@ts-ignore
+const RPCaller_1 = require("../src/frontend/RPCaller");
+new RPCSocketServer_1.RPCSocketServer(20000, [{
+        name: "HelloWorldRPCGroup",
+        exportRPCs: () => [{
+                type: 'call',
+                name: 'echo',
+                func: async (s) => s,
+                visibility: 'private'
+            }]
+    }]);
+const caller = new RPCaller_1.RPCaller(20000, 'localhost');
+caller.connect().then(_ => {
+    caller.info().then(console.log);
+    caller["HelloWorldRPCGroup"].echo("x").then(console.log);
+});