Multer 2.0.0-rc.2 req.files is undefined

Hi there.
I'm trying to use Multer 2.0.0-rc.2 version, but handled an issue:

`this._app.use(multer().any(), (req, res, next) => {
console.log(req.files)
})`

I've check request object, and no key files there.
Please help me out what am I doing wrong?