text: %{Cpp:LicenseTemplate}\
  #ifndef %{GUARD}
  #define %{GUARD}
  
  %{JS: QtSupport.qtIncludes([ 'QtCore/%{Base}' ], [ 'QtCore/%{Base}' ])}\
  %{JS: Cpp.openNamespaces('%{Class}')}\
  
  class %{CN} : public %{Base}
  {
       Q_OBJECT
  
  public:
      explicit %{CN}(QObject *parent = nullptr);
  
  @if %{CustomHeader}
      // Header:
      QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
  
  @if %{Editable}
      bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value, int role = Qt::EditRole) override;
  
  @endif
  @endif
      // Basic functionality:
      QModelIndex index(int row, int column,
                        const QModelIndex &parent = QModelIndex()) const override;
      QModelIndex parent(const QModelIndex &index) const override;
  
      int rowCount(const QModelIndex &parent = QModelIndex()) const override;
      int columnCount(const QModelIndex &parent = QModelIndex()) const override;
  
  @if %{DynamicFetch}
      // Fetch data dynamically:
      bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
  
      bool canFetchMore(const QModelIndex &parent) const override;
      void fetchMore(const QModelIndex &parent) override;
  
  @endif
      QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
  
  @if %{Editable}
      // Editable:
      bool setData(const QModelIndex &index, const QVariant &value,
                   int role = Qt::EditRole) override;
  
      Qt::ItemFlags flags(const QModelIndex& index) const override;
  
  @endif
  @if %{AddData}
      // Add data:
      bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
      bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override;
  
  @endif
  @if %{RemoveData}
      // Remove data:
      bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
      bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override;
  
  @endif
  private:
  };
  %{JS: Cpp.closeNamespaces('%{Class}')}
  #endif // %{GUARD}\
  