class GrinderProperties extends Properties {

  public final File resolveRelativeFile(File file) {

    if (m_file != null && file != null && !file.isAbsolute()) {
      return new File(m_file.getParentFile(), file.getPath());
    }

    return file;
  }

  public  GrinderProperties();
  public  GrinderProperties(File file);

}