}

    public MavenSession getSession() {
        return session;
    }

    public MavenProject getProject() {
        return project;
    }

    public TaskSegment getTaskSegment() {
        return taskSegment;
    }

    public List<MavenProject> getImmediateUpstreamProjects() {
        return nonTransitiveUpstreamProjects;
    }

        return new ProjectBuildList(
                items.stream().filter(pb -> taskSegment == pb.getTaskSegment()).collect(Collectors.toList()));
    }

    public Map<MavenProject, ProjectSegment> selectSegment(TaskSegment taskSegment) {
        return items.stream()
                .filter(pb -> taskSegment == pb.getTaskSegment())
                .collect(Collectors.toMap(ProjectSegment::getProject, Function.identity()));
    }

            ProjectSegment projectBuild = it.next();

            logger.debug("Project: " + projectBuild.getProject().getId());
            logger.debug("Tasks:   " + projectBuild.getTaskSegment().getTasks());
            logger.debug("Style:   " + (projectBuild.getTaskSegment().isAggregating() ? "Aggregating" : "Regular"));

            if (it.hasNext()) {
                logger.debug("-----------------------------------------------------------------------");

        ProjectBuildList projectBuildList = ProjectDependencyGraphStub.getProjectBuildList(session);
        TaskSegment taskSegment = projectBuildList.get(0).getTaskSegment();
        assertTrue(
                projectBuildList.size() >= 6,
                "Expected size " + projectBuildList.size() + " to be >= 6 for collection: " + projectBuildList);

            MavenExecutionPlan plan = calculateExecutionPlan(
                    projectBuild.getSession(),
                    projectBuild.getProject(),
                    projectBuild.getTaskSegment().getTasks());
            result += plan.size();
        }
        return result;
    }

    public int getNumberOfExecutions(ProjectBuildList projectBuildList)