assertTrue(testTable.containsRow('a'));
    assertFalse(testTable.containsRow('A'));
  }

  public void testContainsValue() {
    assertTrue(testTable.containsValue("blah"));
    assertFalse(testTable.containsValue(""));
  }

  public void testGet() {
    assertEquals("blah", testTable.get('a', 1));
    assertNull(testTable.get('a', 2));
    assertNull(testTable.get('A', 1));

    public boolean containsKey(Object key) {
      assertTrue(Thread.holdsLock(mutex));
      return super.containsKey(key);
    }

    @Override
    public boolean containsValue(Object value) {
      assertTrue(Thread.holdsLock(mutex));
      return super.containsValue(value);
    }

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

    }

    @Override
    public boolean containsKey(final Object key) {
        return parent.containsKey(key);
    }

    @Override
    public boolean containsValue(final Object value) {
        return parent.containsValue(value);
    }

    @Override
    public Object get(final Object key) {
        return parent.get(key);
    }

    @Override

    for (ImmutableTable<Character, Integer, String> testInstance : getTestInstances()) {
      assertTrue(testInstance.containsValue("foo"));
      assertTrue(testInstance.containsValue("bar"));
      assertTrue(testInstance.containsValue("baz"));
      assertFalse(testInstance.containsValue("blah"));
    }
  }

  public void testIsEmpty() {

    assertSame(one, cache.getIfPresent(two));
    stats = cache.stats();
    assertEquals(3, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(3, stats.hitCount());
    assertSame(one, cache.asMap().get(two));
    assertTrue(cache.asMap().containsKey(two));
    assertTrue(cache.asMap().containsValue(one));
  }

    assertSame(one, cache.getIfPresent(two));
    stats = cache.stats();
    assertEquals(3, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(3, stats.hitCount());
    assertSame(one, cache.asMap().get(two));
    assertTrue(cache.asMap().containsKey(two));
    assertTrue(cache.asMap().containsValue(one));
  }

  }

  @Override
  public Iterator<V> iterator() {
    return Maps.valueIterator(multimap.entries().iterator());
  }

  @Override
  public boolean contains(@CheckForNull Object o) {
    return multimap.containsValue(o);
  }

  @Override
  public int size() {
    return multimap.size();
  }

  @Override
  public boolean remove(@CheckForNull Object o) {

      Key key = new Key(1);
      String value = key.toString();
      assertSame(value, cache.getUnchecked(key));
      assertTrue(cache.asMap().containsKey(key));
      assertTrue(cache.asMap().containsValue(value));
      assertEquals(1, cache.size());
    }
  }

  public void testClear() {
    for (LoadingCache<Key, String> cache : caches()) {
      Key key = new Key(1);
      String value = key.toString();

  }

  @Override
  public boolean containsRow(@CheckForNull Object rowKey) {
    return delegate().containsRow(rowKey);
  }

  @Override
  public boolean containsValue(@CheckForNull Object value) {
    return delegate().containsValue(value);
  }

  @Override
  @CheckForNull
  public V get(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
    return delegate().get(rowKey, columnKey);
  }

   */
  ALLOWS_NULL_KEY_QUERIES,
  ALLOWS_NULL_KEYS(ALLOWS_NULL_KEY_QUERIES),
  /**
   * The map does not throw {@code NullPointerException} on calls such as {@code
   * containsValue(null)}, {@code values().contains(null)} or {@code values().remove(null)}.
   */
  ALLOWS_NULL_VALUE_QUERIES,
  ALLOWS_NULL_VALUES(ALLOWS_NULL_VALUE_QUERIES),
  /**