Created Unassigned: Members of "express" all have unknown types [1085]

Just create a new Express web app project and hover over express members. E.g. in this code:
```
var express = require('express');
...
var app = express();
...
app.use(express.favicon());
app.use(express.logger('dev'));
app.use(express.json());
app.use(express.urlencoded());
app.use(express.methodOverride());
```