}
    }

    public int size() {
        return items.size();
    }

    public ProjectSegment get(int index) {
        return items.get(index);
    }

    public Set<String> getReactorProjectKeys() {
        Set<String> projectKeys = new HashSet<>(items.size() * 2);
        for (ProjectSegment projectBuild : items) {
            MavenProject project = projectBuild.getProject();