* different queue-providers may store the queue content in different
* ways (in memory, in SQL, or in an external service).
*
- * @code
+ * ```
* $queue = CRM_Queue_Service::singleton()->create(array(
* 'type' => 'interactive',
* 'name' => 'upgrade-tasks',
* $queue->releaseItem($item);
* }
* }
- * @endcode
+ * ```
*/
class CRM_Queue_Service {