}
protected List<CmmnTransformListener> getDefaultCmmnTransformListeners() {
List<CmmnTransformListener> defaultListener = new ArrayList<CmmnTransformListener>();
if (!historyLevel.equals(HistoryLevel.HISTORY_LEVEL_NONE)) {
defaultListener.add(new CmmnHistoryTransformListener(historyLevel, cmmnHistoryEventProducer));
}
return defaultListener;
}