/**
  * (non-PHPdoc)
  * @see Sync_Objects_From_Facebook_Strategy_Interface::get_users_from_facebook()
  */
 public function get_users_from_facebook(Facebook_WP_Extend_Ai1ec $facebook)
 {
     $user = $facebook->getUser();
     try {
         $items = $facebook->api("/{$user}/groups/");
         $items = $items['data'];
         $items = $this->get_images($facebook, $items);
     } catch (WP_FacebookApiException $e) {
         throw $e;
     }
     return $this->convert_group_data_for_saving($items);
 }