return map().size();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    if (object instanceof Entry) {
      Entry<?, ?> entry = (Entry<?, ?>) object;
      V value = map().get(entry.getKey());
      return value != null && value.equals(entry.getValue());
    }
    return false;
  }

  @Override
  boolean isPartialView() {
    return map().isPartialView();
  }

    extends AbstractContainerTester<M, Entry<K, V>> {

  private M multimap;

  protected M multimap() {
    return multimap;
  }

  /**
   * @return an array of the proper size with {@code null} as the key of the middle element.
   */
  protected Entry<K, V>[] createArrayWithNullKey() {
    Entry<K, V>[] array = createSamplesArray();
    int nullKeyLocation = getNullLocation();

                  @Override
                  protected SortedMap<String, String> create(Entry<String, String>[] entries) {
                    SortedMap<String, String> map = new SafeTreeMap<>();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return new StandardImplForwardingSortedMap<>(map);

    void removeCollectedEntry(ReferenceEntry<K, V> entry) {
      enqueueNotification(
          entry.getKey(),
          entry.getHash(),
          entry.getValueReference().get(),
          entry.getValueReference().getWeight(),
          RemovalCause.COLLECTED);
      writeQueue.remove(entry);
      accessQueue.remove(entry);
    }

    /** Removes an entry whose key has been garbage collected. */

    }

    /**
     * Replaces the value of the entry with a new value.
     *
     * @param entry
     *            the entry
     * @param value
     *            the new value for the entry
     * @return the previous value of the entry
     */
    protected V swapValue(final Entry<K, V> entry, final V value) {
        final V old = entry.value;
        entry.value = value;
        return old;
    }

    Iterator<Entry<String, Collection<Integer>>> iterator = multimap.asMap().entrySet().iterator();
    Entry<String, Collection<Integer>> entry = iterator.next();
    assertThat(entry.getKey()).isEqualTo("foo");
    assertThat(entry.getValue()).containsExactly(1, 3, 7);
    entry = iterator.next();
    assertThat(entry.getKey()).isEqualTo("google");
    assertThat(entry.getValue()).containsExactly(2, 6);

    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      ImmutableBiMap.Builder<String, String> builder = ImmutableBiMap.builder();
      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  - repo: local
    hooks:
      - id: local-ruff-check
        name: ruff check
        entry: uv run ruff check --force-exclude --fix --exit-non-zero-on-fix
        require_serial: true
        language: unsupported
        types: [python]

      - id: local-ruff-format
        name: ruff format
        entry: uv run ruff format --force-exclude --exit-non-zero-on-format
        require_serial: true

  }

  public void testToStringNull() {
    assertThat(entry(NE, 1).toString()).isEqualTo("null");
    assertThat(entry(NE, 2).toString()).isEqualTo("null x 2");
  }

  public void testEquals() {
    assertEquals(control("foo", 1), entry("foo", 1));
    assertEquals(control("bar", 2), entry("bar", 2));
    assertFalse(control("foo", 1).equals(entry("foo", 2)));
    assertFalse(entry("foo", 1).equals(control("bar", 1)));

      for (Entry<AnEnum, String> entry : entries) {
        map.put(entry.getKey(), entry.getValue());
      }
      return ImmutableMap.copyOf(map);
    }

    @Override
    public Iterable<Entry<AnEnum, String>> order(List<Entry<AnEnum, String>> insertionOrder) {
      return new Ordering<Entry<AnEnum, String>>() {

        @Override
        public int compare(Entry<AnEnum, String> left, Entry<AnEnum, String> right) {