protected Object getParam(FileSystemOptions opts, String name) {
    if (opts == null) {
      return null;
    }

    return opts.getOption(getConfigClass(), name);
  }
  protected boolean hasParam(FileSystemOptions opts, String name) {
    if (opts == null) {
      return false;
    }

    return opts.hasOption(getConfigClass(), name);
  }
 protected void setParam(FileSystemOptions opts, String name, Object value) {
   opts.setOption(getConfigClass(), name, value);
 }