code: func (ac *Context) Report() {
  	account := ac.email
  	if ac.anonymous {
  		account = "anonymous"
  	}
  	logging.Infof(ac.ctx,
  		"%q account is %s (git_auth: %v, devshell: %v, docker:%v, firebase: %v)",
  		ac.ID, account, ac.EnableGitAuth, ac.EnableDevShell, ac.EnableDockerAuth, ac.EnableFirebaseAuth)
  }
docs: // Report logs the service account email used by this auth context.