return new ArrayList<>(sorter.getSortedProjects());
    }

    public List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive) {
        Objects.requireNonNull(project, "project cannot be null");

        Set<String> projectIds = new HashSet<>();

        getDownstreamProjects(ProjectSorter.getId(project), projectIds, transitive);

        return getSortedProjects(projectIds);
    }

    public List<MavenProject> getSortedProjects() {
        return new ArrayList<>(sortedProjects);
    }

    @Override
    public List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive) {
        return applyFilter(projectDependencyGraph.getDownstreamProjects(project, transitive), transitive, false);
    }

    @Override
    public List<MavenProject> getUpstreamProjects(MavenProject project, boolean transitive) {

     *            downstream projects.
     * @return The downstream projects in the build order, never {@code null}.
     */
    List<MavenProject> getDownstreamProjects(MavenProject project, boolean transitive);

    /**
     * Gets the upstream projects of the specified project. An upstream project is a project that directly or indirectly
     * is a prerequisite of the given project.

                if (makeUpstream) {
                    projectsSet.addAll(graph.getUpstreamProjects(project, true));
                }
                if (makeDownstream) {
                    projectsSet.addAll(graph.getDownstreamProjects(project, true));
                }
            }

            result = new ArrayList<>(projectsSet);

            // Order the new list in the original order