code: public static List<FileInfo> fromItemInfos(
        PathCodec pathCodec, List<GoogleCloudStorageItemInfo> itemInfos) {
      List<FileInfo> fileInfos = new ArrayList<>(itemInfos.size());
      for (GoogleCloudStorageItemInfo itemInfo : itemInfos) {
        fileInfos.add(fromItemInfo(pathCodec, itemInfo));
      }
      return fileInfos;
    }
docs: Handy factory method for constructing a list of FileInfo from a list of
  GoogleCloudStorageItemInfo.