@SuppressWarnings("unused")
  public byte[] getSunPathForSocketFile(Path path) {
    if (isMountedFSPath(path)) {
      throw new IllegalArgumentException(path.toString());
    }
    String jnuEncoding = System.getProperty("sun.jnu.encoding");
    try {
      return path.toString().getBytes(jnuEncoding);
    }
    catch (UnsupportedEncodingException e) {
      throw new IllegalStateException("sun.jnu.encoding=" + jnuEncoding, e);
    }
  }
@SuppressWarnings("unused")
  public byte[] getSunPathForSocketFile(Path path)