assertThrows(NullPointerException.class, () -> ImmutableMap.of(null, 1));

    assertThrows(NullPointerException.class, () -> ImmutableMap.of("one", 1, null, 2));
  }

  public void testOfNullValue() {
    assertThrows(NullPointerException.class, () -> ImmutableMap.of("one", null));

    assertThrows(NullPointerException.class, () -> ImmutableMap.of("one", 1, "two", null));
  }

  public void testOfWithDuplicateKey() {

    @Execute
    public HtmlResponse index() {
        getSession().ifPresent(session -> session.removeAttribute(INVALID_OLD_PASSWORD));
        return asIndexPage(null).useForm(LoginForm.class);
    }

    private HtmlResponse asIndexPage(final LoginForm form) {
        if (form != null) {
            form.clearSecurityInfo();
        }
        return asHtml(virtualHost(path_Login_IndexJsp)).renderWith(data -> {

  )

private val BROWSER_COMPATIBLE_DATE_FORMATS =
  arrayOfNulls<DateFormat>(BROWSER_COMPATIBLE_DATE_FORMAT_STRINGS.size)

/** Returns the date for this string, or null if the value couldn't be parsed. */
fun String.toHttpDateOrNull(): Date? {
  if (isEmpty()) return null

  val position = ParsePosition(0)
  var result = STANDARD_DATE_FORMAT.get().parse(this, position)
  if (position.index == length) {

        addSearchFieldLogValue(Constants.SEARCH_FIELD_LOG_SEARCH_QUERY, query);
    }

    public OptionalEntity<UserInfo> getUserInfo() {
        if (getUserInfoId() == null) {
            return OptionalEntity.empty();
        }
        if (userInfo == null) {
            final UserInfoBhv userInfoBhv = ComponentUtil.getComponent(UserInfoBhv.class);
            userInfo = userInfoBhv.selectByPK(getUserInfoId());
        }

  public final V setValue(@ParametricNullness V value) {
    return super.setValue(value);
  }

  @Nullable ImmutableMapEntry<K, V> getNextInKeyBucket() {
    return null;
  }

  @Nullable ImmutableMapEntry<K, V> getNextInValueBucket() {
    return null;
  }

  /**
   * Returns true if this entry has no bucket links and can safely be reused as a terminal entry in
   * a bucket in another map.
   */

        super.tearDown();
    }

    // Test append method with null value
    public void test_append_nullValue() {
        StringBuilder buf = new StringBuilder();
        Supplier<Object> supplier = () -> null;

        monitorTarget.append(buf, "testKey", supplier);
        assertEquals("\"testKey\":null", buf.toString());
    }

    // Test append method with Integer value

      val heldCertificate = heldCertificate
      if (heldCertificate != null && heldCertificate.keyPair.private.format == null) {
        throw KeyStoreException("unable to support unencodable private key")
      }

      val keyManager = newKeyManager(null, heldCertificate, *(intermediates ?: emptyArray()))
      val trustManager = newTrustManager(null, trustedCertificates, immutableInsecureHosts)

    this.slackApi = slackApi;
  }

  /** Shows a browser URL to authorize this app to act as this user. */
  public void requestOauthSession(String scopes, String team) throws Exception {
    if (sessionFactory == null) {
      sessionFactory = new OAuthSessionFactory(slackApi);
      sessionFactory.start();
    }

    HttpUrl authorizeUrl = sessionFactory.newAuthorizeUrl(scopes, team, session -> {
      initOauthSession(session);

      assertThrows(NullPointerException.class, () -> entry.setValue(null));
      expectUnchanged();
    }
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testSetValueNullSupported() {
    for (Entry<K, V> entry : getMap().entrySet()) {
      if (entry.getKey().equals(k0())) {
        entry.setValue(null);
      }
    }
    expectReplacement(entry(k0(), (V) null));

    }

    int getId() {
        return id;
    }

    /**
     * Helper method to simplify null processing
     *
     * @param scope a scope or {@code null}
     * @return the provided scope or DEFAULT_SCOPE
     */
    public static ArtifactScopeEnum checkScope(ArtifactScopeEnum scope) {
        return scope == null ? DEFAULT_SCOPE : scope;
    }

    /**
     *