private void deleteCowardly(List<DirectoryGroup> groups) {
    for (var group : groups) {
      for (var directory : group.directories) {
        myLogger.info("deleting " + directory);
        try {
          NioFiles.deleteRecursively(directory);
        }
        catch (IOException e) {
          myLogger.info(e);
        }
      }
    }
  }
private void deleteCowardly(List<DirectoryGroup> groups)