private:
QHash<int, QList<AbstractTreeItem *> > _childItems;
QHash<int, QHash<quint64, AbstractTreeItem *> > _childHash; // uint to be compatible to qHash functions FIXME test this
private:
QHash<int, QList<AbstractTreeItem *> > _childItems;
QHash<int, QHash<quint64, AbstractTreeItem *> > _childHash; // uint to be compatible to qHash functions FIXME test this