We are passing a non-standard object to auth initialisation in app.js

app.configure(auth({secret: 'secret', service: 'private'}))

According to https://docs.feathersjs.com/api/authentication/server.html#options, secret is not part of the API. Also, why is the service being passed the private service as that, according to the docs, is for “the entity that will be added to the request, socket, and context.params. (ie. req.user, socket.user, context.params.user) service: 'users', // the service to look up the entity”