             group.notify(completionBlock)
         }
     }
+    
+    /**:name: Map operations */
     
     /**
         Executes the mapping block concurrently for each element in array. This method will wait for all

*/
public class ConcurrentQueue : DispatchQueue {
  

    /**
        Designated initializer to create a new concurrent queue.
    

        super.init(queue: queue)
    }
    
    /**:name: Barriers */
    
    /**
        Dispatches a barrier block asynchronously on this queue. This method will return immediately.
