@NotNull
  public static Set<MavenDomProjectModel> getChildrenProjects(@NotNull final MavenDomProjectModel model) {
    Set<MavenDomProjectModel> models = new HashSet<>();

    collectChildrenProjects(model, models);

    return models;
  }
@NotNull
  public static Set<MavenDomProjectModel> getChildrenProjects(@NotNull final MavenDomProjectModel model)