- virtual bool is_loadable(const CollectionItemTypeBase &, const std::string &) const;
- virtual NameList get_names(const CollectionItemTypeBase &) const;
- virtual void load(Collection &, const CollectionItemTypeBase &, const std::string &) const;
+ bool is_loadable(const CollectionItemTypeBase &, const std::string &) const override;
+ NameList get_names(const CollectionItemTypeBase &) const override;
+ void load(Collection &, const CollectionItemTypeBase &, const std::string &) const override;
+ IO::Seekable *open(const std::string &) const override;