Strava\API\Service\ServiceInterface::getAthleteFriends PHP Method

    public function getAthleteFriends($id = null, $page = null, $per_page = null);

 /**
  * List athlete friends
  * 
  * @link    http://strava.github.io/api/v3/follow/#friends
  * @param   int $id
  * @param   int $page
  * @param   int $per_page
  * @return  array
  * @throws  Exception
  */
 public function getAthleteFriends($id = null, $page = null, $per_page = null)
 {
     try {
         return $this->service->getAthleteFriends($id, $page, $per_page);
     } catch (ServiceException $e) {
         throw new ClientException('[SERVICE] ' . $e->getMessage());
     }
 }