@Nullable
  private static String normalizePost(@NotNull Matcher matcher) {
    final String postReleaseType = matcher.group(POST_RELEASE_TYPE_GROUP);
    if (postReleaseType != null) {
      final String postReleaseNumber = matcher.group(POST_RELEASE_NUMBER_GROUP);
      final String normalizedPostReleaseNumber = postReleaseNumber == null ? "0" : normalizeNumber(postReleaseNumber);

      return "post" + normalizeNumber(normalizedPostReleaseNumber);
    }

    final String implicitPostReleaseNumber = matcher.group(IMPLICIT_POST_RELEASE_NUMBER_GROUP);
    if (implicitPostReleaseNumber != null) {
      return "post" + normalizeNumber(implicitPostReleaseNumber);
    }

    return null;
  }
@Nullable
  private static String normalizePost(@NotNull Matcher matcher)