assertTrue(multimap().containsValue(null));
  }

  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
  public void testContainsNullValueNo() {
    assertFalse(multimap().containsValue(null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testContainsNullValueFails() {
    assertThrows(NullPointerException.class, () -> multimap().containsValue(null));
  }

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetMessage() throws Exception {
        final String s = MessageFormatter.getMessage("EMSG0000");
        System.out.println(s);

     * @return dependency for this node
     */
    @Nullable
    Dependency getDependency();

    /**
     * Gets the child nodes of this node.
     *
     * @return the child nodes of this node, never {@code null}
     */
    @Nonnull
    List<Node> getChildren();

    /**
     * @return repositories of this node
     */
    @Nonnull
    List<RemoteRepository> getRemoteRepositories();

    /**

                                "title": "File",
                                "anyOf": [
                                    {"type": "string", "format": "binary"},
                                    {"type": "null"},
                                ],
                            }
                        )
                        | IsDict(
                            # TODO: remove when deprecating Pydantic v1

    E[] array = createArrayWithNullElement();
    collection = getSubjectGenerator().create(array);
    assertTrue("add(nullPresent) should return true", getList().add(null));

    List<E> expected = copyToList(array);
    expected.add(null);
    expectContents(expected);
  }

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

          ) = writer.writeOctetString(value)
        },
    )

  val NULL =
    BasicDerAdapter(
      name = "NULL",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 5L,
      codec =
        object : BasicDerAdapter.Codec<Unit?> {
          override fun decode(reader: DerReader): Unit? = null

          override fun encode(
            writer: DerWriter,
            value: Unit?,

   * the putIfAbsent returns a non-null value, and the case where the replace() of an observed zero
   * fails.
   */
  public void testAdd_withFailures() {
    AtomicInteger existing = new AtomicInteger(12);
    AtomicInteger existingZero = new AtomicInteger(0);

    // initial map.get()
    when(backingMap.get(KEY)).thenReturn(null);
    // since get returned null, try a putIfAbsent; that fails due to a simulated race

     * @return メソッドの引数型がパラメタ化された{@link Collection}の場合はその要素型、そうでない場合は
     *         {@literal null}
     */
    Class<?> getElementClassOfCollection(int index);

    /**
     * メソッドの引数型がパラメタ化された{@link Map}の場合、そのキー型を返します。
     *
     * @param index
     *            引数のインデックス
     * @return メソッドの引数がパラメタ化された{@link Map}の場合はそのキー型、そうでない場合は{@literal null}
     */
    Class<?> getKeyClassOfMap(int index);

    /**

  public V get(@CheckForNull Object rowKey, @CheckForNull Object columnKey) {
    Integer rowIndex = rowKeyToIndex.get(rowKey);
    Integer columnIndex = columnKeyToIndex.get(columnKey);
    return ((rowIndex == null) || (columnIndex == null)) ? null : values[rowIndex][columnIndex];
  }

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

  @Override
  Cell<R, C, V> getCell(int index) {

          "links": [],
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []