for (ArtifactRepository repository : repositories) {
            result = 31 * result + repositoryHashCode(repository);
        }
        return result;
    }

    private static boolean repositoryEquals(ArtifactRepository r1, ArtifactRepository r2) {
        if (r1 == r2) {
            return true;
        }

        return Objects.equals(r1.getId(), r2.getId())