scheduler.stop();
        }
    }

    public GarbageCollectionStats getHeapStats() {
        return gcMonitor.getHeapStats();
    }

    public GarbageCollectionStats getNonHeapStats() {
        return gcMonitor.getNonHeapStats();
    }

    /**
     * Elegant description of daemon's health
     */
    public String getHealthInfo() {
        StringBuilder message = new StringBuilder();

        given:
        Logger logger = Mock(Logger)
        DaemonHealthStats stats = Mock(DaemonHealthStats)
        stats.getNonHeapStats() >> belowThreshold
        def underTest = new HealthExpirationStrategy(stats, strategy, logger)

        // If there is no unhealthy condition, we expect no logging.
        when:

    def "includes garbage collection data when present"() {
        when:
        gcInfo.getCollectionTime() >> 25
        gcMonitor.getHeapStats() >> new GarbageCollectionStats(1.0, 103, 1024, 5)
        gcMonitor.getNonHeapStats() >> new GarbageCollectionStats(0, 1024, 2048, 5)
        runningStats.getPrettyUpTime() >> "3 mins"
        runningStats.getAllBuildsTime() >> 1000

        then:

     */
    GarbageCollectionStats getHeapStats();

    /**
     * Returns a {@link GarbageCollectionStats} object for the metaspace region of the daemon process.
     */
    GarbageCollectionStats getNonHeapStats();

        given:
        def monitor = new DefaultGarbageCollectionMonitor(GarbageCollectorMonitoringStrategy.UNKNOWN, scheduledExecutorService)

        when:
        monitor.getNonHeapStats()

        then:
        noExceptionThrown()
    }

    }

    @Override
    public GarbageCollectionStats getHeapStats() {
        return GarbageCollectionStats.forHeap(heapEvents.snapshot());
    }

    @Override
    public GarbageCollectionStats getNonHeapStats() {
        return GarbageCollectionStats.forNonHeap(nonHeapEvents.snapshot());
    }

    @VisibleForTesting
    public SlidingWindow<GarbageCollectionEvent> getHeapEvents() {
        return heapEvents;
    }

                expirationStatus = highestPriorityOf(GRACEFUL_EXPIRE, expirationStatus);
            }
        }

        GarbageCollectionStats nonHeapStats = stats.getNonHeapStats();
        if (nonHeapStats.isValid() && nonHeapStats.getEventCount() >= 5
            && strategy.isAboveNonHeapUsageThreshold(nonHeapStats.getUsedPercent())
        ) {