question: private void enqueueNextTask ( String queueName , DispatcherTask dispatcherTask ) { synchronized ( syncRoot ) { Queue < DispatcherTask > queue = taskQueuesMap . get ( queueName ) ; if ( queue == null ) { queue = new LinkedList < > ( ) ; taskQueuesMap . put ( queueName , queue ) ; } queue . add ( dispatcherTask ) ; } }
target:  Adds next task to be executed