fix

test/test.ts

@@ -1,18 +1,18 @@
 import { RPCSocketServer } from '../src/backend/RPCSocketServer'
 //@ts-ignore
-import {RPCaller} from '../src/frontend/RPCaller'
+import {RPCSocket} from '../src/frontend/RPCSocket'
 
 new RPCSocketServer(20000, [{
     name: "HelloWorldRPCGroup",
+    exportPublicRPCs: () => [],
     exportRPCs: () => [{
         type: 'call',
         name: 'echo',
         func: async (s:string) => s,
-        visibility: 'private'
-    }]
-}] )
+    }],
+}])
 
-const caller = new RPCaller(20000, 'localhost')
+const caller = new RPCSocket(20000, 'localhost')
 caller.connect().then(_ => {
     caller.info().then(console.log)
     caller["HelloWorldRPCGroup"].echo("x").then(console.log)