code: private Task findChildTaskByUUID(ChildTaskContainer parent, UUID uuid)
     {
        Task result = null;
  
        for (Task task : parent.getChildTasks())
        {
           if (uuid.equals(task.getGUID()))
           {
              result = task;
              break;
           }
        }
  
        return result;
     }
docs: Locates a task within a child task container which matches the supplied UUID.
  
  @param parent child task container
  @param uuid required UUID
  @return Task instance or null if the task is not found