public int getMajor() {
        return major;
    }

    public int getMinor() {
        return minor;
    }

    public int getRevision() {
        return revision;
    }

    public boolean hasQualifier() {
        return qualifier != null;
    }

    public Qualifier getQualifier() {
        return qualifier;
    }

    public boolean isSnapshot() {

        versionsSet.stream().map(v -> v.isSnapshot() ? v.withoutQualifier() : v).forEach(versions::add);

        final List<String> includeVersions = versions.stream()
            .map(v -> v.hasQualifier() ? v.toString() : v.getMajor() + "." + v.getMinor())
            .distinct()
            .collect(Collectors.toList());

        final Map<String, Object> bindings = new HashMap<>();

            // Only keep earlier versions, and if `currentVersion` is a prerelease, then only prereleases too.
            .filter(each -> each.isBefore(currentVersion) && (currentVersion.hasQualifier() == each.hasQualifier()))
            .sorted(naturalOrder())
            .collect(toList());

        if (earlierVersions.isEmpty()) {