- elements that are critical for pom dissemination
 - those that are used locally by the user like <developerConnection/>

* User configuration

 User configuration which is utilized site wide are controlled with the ${user.home}/.m2/maven.properties.

 User configuration which is utilized at the project level are controlled with the
 ${project.home}/maven.properties file.

Plugin configuration

        Predicate<PathType> filter = request.getPathTypeFilter();
        PathModularizationCache cache = new PathModularizationCache(); // TODO: should be project-wide cache.
        DependencyCollectorResult collectorResult =
                session.getService(DependencyCollector.class).collect(request);
        List<Node> nodes = flatten(session, collectorResult.getRoot(), request.getPathScope());