/**
  * @param $path
  * @return string
  */
 public function getRequestUrl($path)
 {
     return parent::getServiceUrl() . $path;
 }
 /**
  * Get OAuth data for header request
  *
  * @see http://api.yandex.ru/market/partner/doc/dg/concepts/authorization.xml
  *
  * @return string
  */
 public function getAccessToken()
 {
     return 'oauth_token=' . parent::getAccessToken() . ', oauth_client_id=' . $this->getClientId() . ', oauth_login=' . $this->getLogin();
 }