void write_metadata (boost::filesystem::path path) const;
void write_template (boost::filesystem::path path) const;
std::shared_ptr<xmlpp::Document> metadata (bool with_content_paths = true) const;
void write_metadata (boost::filesystem::path path) const;
void write_template (boost::filesystem::path path) const;
std::shared_ptr<xmlpp::Document> metadata (bool with_content_paths = true) const;