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#include <QAbstractListModel>
#include <QStringList>

//![0]
class Animal 
{
public:
    Animal(const QString &type, const QString &size);
//![0]

    QString type() const;
    QString size() const;

private:
    QString m_type;
    QString m_size;
//![1]
};

class AnimalModel : public QAbstractListModel
{
    Q_OBJECT
public:
    enum AnimalRoles {
        TypeRole = Qt::UserRole + 1,
        SizeRole
    };

    AnimalModel(QObject *parent = 0);
//![1]

    void addAnimal(const Animal &animal);

    int rowCount(const QModelIndex & parent = QModelIndex()) const;

    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;

private:
    QList<Animal> m_animals;
//![2]
};
//![2]