getMap().putIfAbsent(k0(), null);
    } catch (NullPointerException tolerated) {
    }
    expectUnchanged();
    expectNullValueMissingWhenNullValuesUnsupported(
        "Should not contain null after unsupported putIfAbsent(present, null)");
  }

  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
  public void testPut_nullValueSupported() {
    Entry<K, V> nullValueEntry = entry(k3(), null);
    assertNull(

    protected CrawlerClientFactory crawlerClientFactory = null;

    public FileConfig() {
        setBoost(1.0f);
    }

    @Override
    public String getDocumentBoost() {
        return getBoost().toString();
    }

    @Override
    public String getIndexingTarget(final String input) {
        if (includedDocPathPatterns == null || excludedDocPathPatterns == null) {
            initDocPathPattern();
        }

   *     for the keys
   */
  @CanIgnoreReturnValue
  public @Nullable V erase(@Nullable Object rowKey, @Nullable Object columnKey) {
    Integer rowIndex = rowKeyToIndex.get(rowKey);
    Integer columnIndex = columnKeyToIndex.get(columnKey);
    if (rowIndex == null || columnIndex == null) {
      return null;
    }

    }

    @Test
    @DisplayName("Constructor should handle null tree handle")
    void testConstructor_NullTreeHandle_ThrowsNPE() throws Exception {
        // Given: Valid parent but null tree handle
        when(locator.getType()).thenReturn(SmbConstants.TYPE_WORKGROUP);
        when(locator.getURL()).thenReturn(createSmbURL("smb://"));

  private val atomicRequestCount = AtomicInteger()

  private var serverSocketFactory_: ServerSocketFactory? = null
  private var serverSocket: ServerSocket? = null

  /** Non-null after [start]. */
  private var socketAddress_: InetSocketAddress? = null

  private var sslSocketFactory: SSLSocketFactory? = null
  private var clientAuth = CLIENT_AUTH_NONE

  private var closed: Boolean = false

  /**

        if (layout == null) {
            throw new UnknownRepositoryLayoutException(repositoryId, layoutId);
        }
    }

    @Override
    public ArtifactRepository createDeploymentArtifactRepository(
            String id, String url, ArtifactRepositoryLayout repositoryLayout, boolean uniqueVersion) {
        return createArtifactRepository(id, url, repositoryLayout, null, null);
    }

    @Override

        this(true, null, null);
    }

    public ArtifactRepositoryPolicy(ArtifactRepositoryPolicy policy) {
        this(policy.isEnabled(), policy.getUpdatePolicy(), policy.getChecksumPolicy());
    }

    public ArtifactRepositoryPolicy(boolean enabled, String updatePolicy, String checksumPolicy) {
        this.enabled = enabled;

        if (updatePolicy == null) {

    }

    public void test_available_withEmptySsoType() {
        currentSsoType = "";
        assertTrue(ssoManager.available());
    }

    public void test_available_withNullSsoType() {
        currentSsoType = null;
        assertTrue(ssoManager.available());
    }

    // Test getLoginCredential() method
    public void test_getLoginCredential_whenNotAvailable() {
        currentSsoType = Constants.NONE;

        super(domain != null ? domain : tc.getConfig().getDefaultDomain(),
                username != null ? username : tc.getConfig().getDefaultUsername() != null ? tc.getConfig().getDefaultUsername() : "GUEST",
                password != null ? password : tc.getConfig().getDefaultPassword() != null ? tc.getConfig().getDefaultPassword() : "",
                (AuthenticationType) null);
        this.context = tc;
    }

    assertNull("get(notPresent) should return null", get(k3()));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testGet_nullNotContainedButAllowed() {
    assertNull("get(null) should return null", get(null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)
  public void testGet_nullNotContainedAndUnsupported() {
    try {
      assertNull("get(null) should return null or throw", get(null));