std::string typeId_;
std::string content_name_; // Only used at parsing time then goes to the FileSystemExtension
sg_size_t size_; // Only used at parsing time then goes to the FileSystemExtension
private:
std::string typeId_;
std::string content_name_; // Only used at parsing time then goes to the FileSystemExtension
sg_size_t size_; // Only used at parsing time then goes to the FileSystemExtension
private: