PlugInHelper.publishAddExpansion(blackboard.getSubscriber(), exp);
PlugInHelper.publishAddExpansion(blackboard, exp);
  public void expand(Task task) {    Vector subtasks = new Vector();    subtasks.addElement(createForSubordinatesTask(task));    for (int i = 0; i < myParams.length; i++) {      subtasks.addElement(createDetermineRequirementsTask(task, myParams[i]));    }    Expansion exp = PlugInHelper.wireExpansion(task, subtasks, theLDMF);    //use the helper to publish the expansion and the wf subtasks all in one    PlugInHelper.publishAddExpansion(blackboard.getSubscriber(), exp);  }