Imports cloud.google.com/go/firestore google.golang.org/api/option google.golang.org/api/transport Imports in module “firebase.google.com/go” firebase.google.com/go/auth firebase.google.com/go/db firebase.google.com/go/iid firebase.google.com/go/internal firebase.google.com/go/messaging firebase.google.com/go/storage Standard library imports context encoding/json errors io/ioutil os