code: @Override
     public void loadData(ItemData vhData, NodeData parent) throws RepositoryException, InvalidItemStateException,
        ConstraintViolationException
     {
        super.loadData(new VersionHistoryDataHelper((NodeData)vhData, session.getTransientNodesManager()
           .getTransactManager(), session.getWorkspace().getNodeTypesHolder()), parent);
     }
docs: {@inheritDoc}