@Nullable
  private static String getGantConfPath(final String gantHome) {
    String confPath = FileUtil.toSystemDependentName(gantHome + "/conf/gant-starter.conf");
    if (new File(confPath).exists()) {
      return confPath;
    }

    return getConfPath(gantHome);
  }
@Nullable
  private static String getGantConfPath(final String gantHome)