// Token - implement TokenSource interface
implement TokenSource interface
// Token - implement TokenSource interface
func (m *GoogleMessage) Token() (*oauth2.Token, error) {
	return &oauth2.Token{
		AccessToken: m.AccessToken,
	}, nil
}
func ( m * GoogleMessage ) Token ( ) ( * oauth2 . Token , error ) { return & oauth2 . Token { AccessToken : m . AccessToken , } , nil }
implement TokenSource interface
implement TokenSource interface