code: func (m *AuthMethod) LogoutURL(c context.Context, dest string) (string, error) {
  	if m.SessionStore == nil {
  		return "", ErrNotConfigured
  	}
  	return makeRedirectURL(logoutURL, dest)
  }
docs: // LogoutURL returns a URL that, when visited, signs the user out,
  // then redirects the user to the URL specified by dest. It is part of
  // auth.UsersAPI interface.