private static String chooseLowerBoundString(Version lowerBoundVersion) {
    String lowerBoundString = lowerBoundVersion.toString();
    String candidate = lowerBoundString.split("[.\\-_]")[0];
    try {
      Version candidateVersion = ourVersioning.parseVersion(candidate);
      if (lowerBoundVersion.compareTo(candidateVersion) < 0) {
       return lowerBoundString;
      }
    } catch (InvalidVersionSpecificationException e) {
      LOG.info("Failed to parse major part of lower bound of version " + lowerBoundVersion, e);
    }
    return candidate;
  }
private static String chooseLowerBoundString(Version lowerBoundVersion)