final ReactorContext reactorContext;
        final PhasingExecutor executor;
        final Map<Object, Clock> clocks = new ConcurrentHashMap<>();
        final ReadWriteLock lock = new ReentrantReadWriteLock();
        final int threads;
        BuildPlan plan;

        BuildContext(MavenSession session, ReactorContext reactorContext, List<TaskSegment> taskSegments) {
            this.session = session;