protected function saveToken(AccessToken $token)
    {
        if ($this->config['api_token'] && $this->config['api_token_type'] === 'access') {
            return;
        }
        foreach ($token->jsonSerialize() as $name => $value) {
            if (isset($this->storageKeys[$name])) {
                $this->session->set($this->storageKeys[$name], $value);
            }
        }
        $this->session->save();
    }