@Nullable
  protected static String getConfPath(final String groovyHomePath) {
    String confpath = FileUtil.toSystemDependentName(groovyHomePath + "/conf/groovy-starter.conf");
    if (new File(confpath).exists()) {
      return confpath;
    }
    return null;
  }
@Nullable
  protected static String getConfPath(final String groovyHomePath)