code: func makeUserIdentificationConfig(info clientauth.Info) *restclient.Config {
  	config := &restclient.Config{}
  	config.Username = info.User
  	config.Password = info.Password
  	config.CertFile = info.CertFile
  	config.KeyFile = info.KeyFile
  	config.BearerToken = info.BearerToken
  	return config
  }
docs: // makeUserIdentificationFieldsConfig returns a client.Config capable of being merged using mergo for only user identification information