class WorkflowSequenceService extends AbstractService implements
    ServiceParent, ServiceStateChangeListener {

  public Service getPreviousService() {
    return previousService;
  }

  public  WorkflowSequenceService(String name);
  public  WorkflowSequenceService();
  public  WorkflowSequenceService(String name, Service... children);
  public  WorkflowSequenceService(String name, List<Service> children);

}