.findFirst()
                .map(requestPomProject -> {
                    List<MavenProject> modules = requestPomProject.getCollectedProjects() != null
                            ? requestPomProject.getCollectedProjects()
                            : Collections.emptyList();
                    List<MavenProject> projectsInRequestScope = new ArrayList<>(modules);

                        "Could not find a project in reactor matching the request POM", request.getPom()));

        List<MavenProject> modules = requestPomProject.getCollectedProjects() != null
                ? requestPomProject.getCollectedProjects()
                : Collections.emptyList();

        List<MavenProject> result = new ArrayList<>(modules);
        result.add(requestPomProject);
        return result;

    public static List<MavenProject> getProjects(MavenProject project, MavenSession session, boolean aggregator) {
        if (aggregator && project.getCollectedProjects() != null) {
            // get the unsorted list of wanted projects
            Set<MavenProject> projectAndSubmodules = new HashSet<>(project.getCollectedProjects());
            projectAndSubmodules.add(project);
            return session.getProjects().stream() // sorted all

        return resolvedOptionalProjects;
    }

    private List<MavenProject> getChildProjects(MavenProject parent, MavenExecutionRequest request) {
        final List<MavenProject> children = parent.getCollectedProjects();
        if (children != null && request.isRecursive()) {
            return children;
        } else {
            return new ArrayList<>();
        }
    }

                List<MavenProject> toFork = new ArrayList<>();
                toFork.add(step.project);
                if (mojoDescriptor.isAggregator() && step.project.getCollectedProjects() != null) {
                    toFork.addAll(step.project.getCollectedProjects());
                }

                BuildPlan plan = new BuildPlan();
                for (MavenProject project : toFork) {

    }

    public void setExecutionProject(MavenProject executionProject) {
        this.executionProject = executionProject;
    }

    public List<MavenProject> getCollectedProjects() {
        return collectedProjects;
    }

    public void setCollectedProjects(List<MavenProject> collectedProjects) {
        this.collectedProjects = collectedProjects;
    }

    /**