code: protected void handleResult(Session session, GraphUser user, AuthProviderListener listener) {
  		if(listener != null) {
  			AuthProviderResponse response = new AuthProviderResponse();
  			response.setUserId(user.getId());
  			response.setToken(session.getAccessToken());
  			listener.onAuthSuccess(response);
  		}
  	}
docs: Protected so we can mock