* </p>
 * <strong>Note:</strong> This interface is part of work in progress and can be changed or removed without notice.
 *
 * @since 3.0
 */
public class ProjectBuildList implements Iterable<ProjectSegment> {
    private final List<ProjectSegment> items;

    public ProjectBuildList(List<ProjectSegment> items) {
        this.items = Collections.unmodifiableList(items);
    }

 */
public class ConcurrencyDependencyGraph {

    private final ProjectBuildList projectBuilds;

    private final ProjectDependencyGraph projectDependencyGraph;

    private final Set<MavenProject> finishedProjects = new HashSet<>();

    private final SmartProjectComparator projectComparator;

    public ConcurrencyDependencyGraph(ProjectBuildList projectBuilds, ProjectDependencyGraph projectDependencyGraph) {

            TaskSegment taskSegment,
            Map<MavenProject, ProjectSegment> projectBuildList) {
        // gather artifactIds which are not unique so that the respective thread names can be extended with the groupId
        Set<String> duplicateArtifactIds = projectBuildList.keySet().stream()
                .map(MavenProject::getArtifactId)

    public void debug(String s) {
        logger.debug(s);
    }

    public void info(String s) {
        logger.info(s);
    }

    public void debugReactorPlan(ProjectBuildList projectBuilds) {
        if (!logger.isDebugEnabled()) {
            return;
        }

        logger.debug("=== REACTOR BUILD PLAN ================================================");