QStringList mimeTypes() const;
QMimeData *mimeData(const QModelIndexList &) const;
bool dropMimeData(const QMimeData *, Qt::DropAction, int, int, const QModelIndex &);
QStringList mimeTypes() const;
QMimeData *mimeData(const QModelIndexList &) const;
bool dropMimeData(const QMimeData *, Qt::DropAction, int, int, const QModelIndex &);