private long physicalMemoryThresholdInBytes;
    private long virtualMemoryThresholdInBytes;
    private static final Logger LOGGER = Logging.getLogger(LowMemoryDaemonExpirationStrategy.class);

    // Reasonable default threshold bounds: between 384M and 1G
    public static final long MIN_THRESHOLD_BYTES = 384 * 1024 * 1024;
    public static final long MAX_THRESHOLD_BYTES = 1024 * 1024 * 1024;

    List<Throwable> exceptions = []
    Throwable exception = exceptions[0]
    List<TestFailure> failures
    long startTime = 0
    long endTime = startTime + 100
    long testCount = 1
    long successfulTestCount = 1
    long failedTestCount = 0
    long skippedTestCount = 0

    SimpleTestResult(long endTime = 100) {
        this.endTime = endTime
    }

    protected final long allRecordCount;
    protected final String allRecordCountRelation;
    protected final long queryTime;
    protected final boolean partialResults;
    protected final FacetResponse facetResponse;

    SearchResult(final List<Map<String, Object>> documentList, final long allRecordCount, final String allRecordCountRelation,

    }

    public static String getMemoryUsageLog() {
        final Runtime runtime = Runtime.getRuntime();
        final long freeBytes = runtime.freeMemory();
        final long maxBytes = runtime.maxMemory();
        final long totalBytes = runtime.totalMemory();
        final long usedBytes = totalBytes - freeBytes;

        given:
        def registry = new DefaultSerializerRegistry()
        registry.register(Long, longSerializer)
        registry.register(Integer, intSerializer)
        registry.useJavaSerialization(StringBuilder)

        expect:
        registry.canSerialize(Long)
        registry.canSerialize(Number)
        registry.canSerialize(Object)
        !registry.canSerialize(BigDecimal)

    }

    private static class Meminfo {
        private long total = -1;
        private long available = -1;
        private long free = -1;
        private long buffers = -1;
        private long cached = -1;
        private long reclaimable = -1;
        private long mapped = -1;

        public long getTotal() {
            return total;
        }

        /*
         * Linux 4.x: MemAvailable

      public long getLongLittleEndian(byte[] array, int offset) {
        long bigEndian = theUnsafe.getLong(array, (long) offset + BYTE_ARRAY_BASE_OFFSET);
        // The hardware is big-endian, so we need to reverse the order of the bytes.
        return Long.reverseBytes(bigEndian);
      }

      @Override
      public void putLongLittleEndian(byte[] array, int offset, long value) {

  }

  /** @since 15.0 (previously returned ScheduledFuture) */
  @Override
  ListenableScheduledFuture<?> scheduleAtFixedRate(
      Runnable command, long initialDelay, long period, TimeUnit unit);

  /**
   * Duration-based overload of {@link #scheduleAtFixedRate(Runnable, long, long, TimeUnit)}.
   *
   * @since 29.0
   */
  default ListenableScheduledFuture<?> scheduleAtFixedRate(

public class DocList extends ArrayList<Map<String, Object>> {

    private static final long serialVersionUID = 1L;

    private long contentSize = 0;

    private long processingTime = 0;

    @Override
    public void clear() {
        super.clear();
        contentSize = 0;
        processingTime = 0;
    }

    public long getContentSize() {
        return contentSize;
    }

            long hierarchyCount = this.hierarchyCount.getAndSet(0);
            long directoryCount = this.directoryCount.getAndSet(0);
            long fileCount = this.fileCount.getAndSet(0);
            long failedFileCount = this.failedFileCount.getAndSet(0);

            return new DirectorySnapshotterStatistics() {
                @Override
                public long getVisitedHierarchyCount() {