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;
    }

    /**