}

  @Override
  public boolean isEmpty() {
    return delegate().isEmpty();
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V put(
      @ParametricNullness R rowKey, @ParametricNullness C columnKey, @ParametricNullness V value) {
    return delegate().put(rowKey, columnKey, value);
  }

  @Override
  public void putAll(Table<? extends R, ? extends C, ? extends V> table) {
    delegate().putAll(table);

                        } while (tmp != dr);

                        if (dr.key != null) {
                            links.map.put(dr.key, dr);
                        }

                        roots.put(root, links);
                    } else if (path == null) {
                        roots.put(root, Dfs.FALSE_ENTRY);
                    }
                } else if (links == Dfs.FALSE_ENTRY) {
                    links = null;

        final FessXpathTransformer transformer = createAnchorListTransformer();
        final Map<String, String> rules = new LinkedHashMap<>();
        rules.put("//A", "href");
        rules.put("//IMG", "src");
        transformer.setChildUrlRuleMap(rules);

        final ResponseData responseData = new ResponseData();
        responseData.setUrl("http://example.com/");

                    SortedMap<String, String> map = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return new StandardImplForwardingSortedMap<>(map);
                  }
                })
            .named(

    public @Nullable V get(Object key) {
      assertTrue(Thread.holdsLock(mutex));
      return super.get(key);
    }

    @Override
    public @Nullable V put(K key, V value) {
      assertTrue(Thread.holdsLock(mutex));
      return super.put(key, value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      assertTrue(Thread.holdsLock(mutex));
      super.putAll(map);

    super(false, true, true, true);
  }

  @Override
  TreeBasedTable<String, Integer, Character> makeTable() {
    TreeBasedTable<String, Integer, Character> table = TreeBasedTable.create();
    table.put("a", 1, 'a');
    table.put("z", 1, 'a');
    return table;
  }

  @Override
  protected Map<String, Map<Integer, Character>> makePopulatedMap() {
    TreeBasedTable<String, Integer, Character> table = makeTable();

    return valueOrNull(seekByKey(key, smearedHash(key)));
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V put(@ParametricNullness K key, @ParametricNullness V value) {
    return put(key, value, false);
  }

  private @Nullable V put(@ParametricNullness K key, @ParametricNullness V value, boolean force) {
    int keyHash = smearedHash(key);
    int valueHash = smearedHash(value);

            .distinct()
            .collect(Collectors.toList());

        final Map<String, Object> bindings = new HashMap<>();
        bindings.put("versions", versions);
        bindings.put("includeVersions", includeVersions);

        return TemplateUtils.render(template, bindings);
    }

    Object oldValue = new Object();
    Object newValue = new Object();

    // no entry
    assertEquals(0, segment.count);
    assertThat(segment.put(key, hash, oldValue, false)).isNull();
    assertEquals(1, segment.count);

    // same key
    assertThat(segment.put(key, hash, newValue, false)).isEqualTo(oldValue);
    assertEquals(1, segment.count);
    assertThat(segment.get(key, hash)).isEqualTo(newValue);

    Object oldValue = new Object();
    Object newValue = new Object();

    // no entry
    assertEquals(0, segment.count);
    assertThat(segment.put(key, hash, oldValue, false)).isNull();
    assertEquals(1, segment.count);

    // same key
    assertThat(segment.put(key, hash, newValue, false)).isEqualTo(oldValue);
    assertEquals(1, segment.count);
    assertThat(segment.get(key, hash)).isEqualTo(newValue);