* value.
   */
  private static void assertApproximateElementCountGuess(BloomFilter<?> bf, int sizeGuess) {
    assertThat(bf.approximateElementCount()).isAtLeast((long) (sizeGuess * 0.99));
    assertThat(bf.approximateElementCount()).isAtMost((long) (sizeGuess * 1.01));
  }

  public void testCreateAndCheckMitz32BloomFilterWithKnownFalsePositives() {
    int numInsertions = 1000000;
    BloomFilter<String> bf =

        ThumbnailManager testManager = new ThumbnailManager() {
            @Override
            public long purge(long expiry) {
                // Just count files that would be deleted
                return 1L;
            }
        };
        testManager.baseDir = tempDir;

        long result = testManager.purge(1L);
        assertTrue(result >= 0); // Count of deleted files
    }

        @Override
        public Long getCreateTime() {
            return System.currentTimeMillis();
        }

        @Override
        public Integer getExecutionTime() {
            return 100;
        }

        @Override
        public Long getContentLength() {
            return 1000L;
        }

        @Override
        public Long getLastModified() {

                @Override
                public <T extends DfsReferralData> T unwrap(Class<T> type) {
                    return null;
                }

                @Override
                public long getExpiration() {
                    return 0;
                }

                @Override
                public int getPathConsumed() {
                    return 0;
                }

    @Test
    public void testUpdateChild() {
        String childName = "file1.txt";
        long size = 1024L;
        long lastModified = System.currentTimeMillis();
        boolean isDirectory = false;
        long attributes = 0x20; // FILE_ATTRIBUTE_ARCHIVE
        long creationTime = System.currentTimeMillis() - 10000;
        long lastAccessTime = System.currentTimeMillis() - 5000;

    return delegate.invokeAll(wrapTasks(tasks));
  }

  @Override
  public final <T extends @Nullable Object> List<Future<T>> invokeAll(
      Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit)
      throws InterruptedException {
    return delegate.invokeAll(wrapTasks(tasks), timeout, unit);
  }

  @Override

  private final boolean isDirected;
  private final boolean allowsSelfLoops;
  private final ElementOrder<N> nodeOrder;

  final MapIteratorCache<N, GraphConnections<N, V>> nodeConnections;

  long edgeCount; // must be updated when edges are added or removed

  /** Constructs a graph with the properties specified in {@code builder}. */
  StandardValueGraph(AbstractGraphBuilder<? super N> builder) {
    this(

    /**
     * Gets the notification timestamp.
     *
     * @return the timestamp
     */
    public long getTimestamp() {
        return timestamp;
    }

    /**
     * Sets the timestamp.
     *
     * @param timestamp the timestamp
     */
    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    /**
     * Gets the list of new IP addresses.

     * Returns the total number of documents processed by this callback.
     *
     * @return the document count
     */
    long getDocumentSize();

    /**
     * Returns the total execution time for index update operations.
     *
     * @return the execution time in milliseconds
     */
    long getExecuteTime();

    /**
     * Commits all pending index update operations to ensure data persistence.

@GwtCompatible
public abstract class Ticker {
  /** Constructor for use by subclasses. */
  protected Ticker() {}

  /** Returns the number of nanoseconds elapsed since this ticker's fixed point of reference. */
  public abstract long read();

  /**
   * A ticker that reads the current time using {@link System#nanoTime}.
   *
   * @since 10.0
   */
  public static Ticker systemTicker() {
    return SYSTEM_TICKER;
  }