docs: static TarArchiveEntry defaultFileEntryWithName( final String fileName ) {
          TarArchiveEntry entry = new TarArchiveEntry(fileName, true);
          entry.setUserId(ROOT_UID);
          entry.setUserName(ROOT_NAME);
          entry.setGroupId(ROOT_UID);
          entry.setGroupName(ROOT_NAME);
          entry.setMode(TarArchiveEntry.DEFAULT_FILE_MODE);
          return entry;
      }