for (Map.Entry<String, DirectoryCacheEntry> entry : directoryCache.entrySet()) {
            if (entry.getValue().isExpired()) {
                expiredPaths.add(entry.getKey());
            }
        }

        for (String path : expiredPaths) {
            log.debug("Cleaning up expired directory cache entry: {}", path);
            releaseDirectoryLease(path);
        }

  public void testAsMapGet() {
    for (K key : sampleKeys()) {
      List<V> expectedValues = new ArrayList<>();
      for (Entry<K, V> entry : getSampleElements()) {
        if (entry.getKey().equals(key)) {
          expectedValues.add(entry.getValue());
        }
      }

      Collection<V> collection = multimap().asMap().get(key);
      if (expectedValues.isEmpty()) {
        assertNull(collection);

    // If it's an Entry, it may become invalid once it's removed from the Map. Copy it.
    if (element instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) element;
      element = mapEntry(entry.getKey(), entry.getValue());
    }
    assertTrue(collection.contains(element)); // sanity check
    iterator.remove();
    assertFalse(collection.contains(element));
    assertEquals(originalSize - 1, collection.size());

            final StatsObject data = e.getValue();
            final Long begin = data.remove(BEGIN_KEY);
            if (begin != null) {
                printStats(e.getKey(), data, begin, false);
            }
        });

    }

    /**
     * Begins statistics tracking for the specified crawler object.
     * Creates a new statistics object in the cache and starts timing.

                PropertiesUtil.load(props, tesseractConfigPath);
                final Map<String, String> propMap =
                        props.entrySet().stream().collect(Collectors.toMap(e -> (String) e.getKey(), e -> (String) e.getValue()));
                tesseractOCRConfig = new TesseractOCRConfig();
                BeanUtil.copyMapToBean(propMap, tesseractOCRConfig);

        this.releases = releases;
    }

    @Override
    public ArtifactRepositoryPolicy getReleases() {
        return releases;
    }

    @Override
    public String getKey() {
        return getId();
    }

    @Override
    public boolean isBlacklisted() {
        return blacklisted;
    }

    @Override
    public void setBlacklisted(boolean blacklisted) {

        @SuppressWarnings("rawtypes") // using raw types to avoid a bug in our nullness checker :(
        InternalEntry entry = map.getEntry(sample);
        if (entry != null) {
          Object canonical = entry.getKey();
          if (canonical != null) { // only matters if weak/soft keys are used
            // The compiler would know this is safe if not for our use of raw types (see above).
            @SuppressWarnings("unchecked")

  }

  private void putAll(Iterable<Entry<K, V>> entries) {
    Map<K, V> map = new LinkedHashMap<>();
    for (Entry<K, V> entry : entries) {
      map.put(entry.getKey(), entry.getValue());
    }
    getMap().putAll(map);
  }

  /**
   * Returns the {@link Method} instance for {@link #testPutAll_nullKeyUnsupported()} so that tests

                        return new Entry<String, String>() {
                            @Override
                            public String getKey() {
                                return entry.getKey();
                            }

                            @Override
                            public String getValue() {
                                return entry.getValue();

                        return new Entry<String, String>() {
                            @Override
                            public String getKey() {
                                return entry.getKey();
                            }

                            @Override
                            public String getValue() {
                                return entry.getValue();