code: private void processChildTasks(Task task, MapRow row) throws IOException
     {
        List<MapRow> tasks = row.getRows("TASKS");
        if (tasks != null)
        {
           for (MapRow childTask : tasks)
           {
              processTask(task, childTask);
           }
        }
     }
docs: Extract child task data.
  
  @param task MPXJ task
  @param row Synchro task data