inline QModelIndex index(int row, int column, const QModelIndex &/*parent*/ = QModelIndex()) const { return createIndex(row, column); }
inline QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }
inline QModelIndex index(int row, int column, const QModelIndex &/*parent*/ = QModelIndex()) const { return createIndex(row, column); }
inline QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }
inline int columnCount(const QModelIndex &/*parent*/ = QModelIndex()) const { return 3; }
virtual QVariant data(const QModelIndex &index, int role) const;
inline int columnCount(const QModelIndex &/*parent*/ = QModelIndex()) const { return 3; }
virtual QVariant data(const QModelIndex &index, int role) const;