/**
  * @param string $name
  * @param string $redirectUrl     Optional
  * @param array  $extraParameters Optional
  *
  * @return string
  */
 public function getAuthorizationUrl($name, $redirectUrl = null, array $extraParameters = array())
 {
     return $this->helper->getAuthorizationUrl($name, $redirectUrl, $extraParameters);
 }
 /**
  * @param string  $name
  *
  * @return string
  */
 public function getLoginUrl($name)
 {
     return $this->helper->getLoginUrl($name);
 }