code: @Override
    public void onReceiptOfAcknowledgement(final GroupCommunicationMessage msg) {
      LOG.entering("TaskNodeImpl", "onReceiptOfAcknowledgement", new Object[]{getQualifiedName(), msg});
      taskNodeStatus.processAcknowledgement(msg);
      LOG.exiting("TaskNodeImpl", "onReceiptOfAcknowledgement", getQualifiedName() + msg);
    }
docs: * Methods pertaining to my neighbors status change ends ***.