}
		// file / version / file
		filemap := make(map[string]map[string]string)
		// versionID ->
		combineFiles := make(map[string][]string)
		decode := func(r io.Reader, file string) ([]byte, error) {
			file = strings.ReplaceAll(file, ":", "_")
			b, err := io.ReadAll(r)
			if err != nil {
				return nil, err
			}
			b, _, minor, err := checkXL2V1(b)
			if err != nil {
				return nil, err
			}