@Nullable
  private static String fromBrew() {
    final File brewDir = new File("/usr/local/Cellar/maven");
    final String[] list = brewDir.list();
    if (list == null || list.length == 0) return null;

    Arrays.sort(list, (o1, o2) -> compareVersionNumbers(o2, o1));

    return brewDir + File.separator + list[0] + "/libexec";
  }
@Nullable
  private static String fromBrew()