virtual Q_INVOKABLE QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const =0
Returns the data stored under the given role for the item referred to by the index.
virtual Q_INVOKABLE QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const =0
Returns the index of the item in the model specified by the given row, column and parent index.