public void testContainsEntryNullYes() {
    initMultimapWithNullKeyAndValue();
    assertTrue(multimap().containsEntry(null, null));
  }

  @MapFeature.Require({ALLOWS_NULL_KEY_QUERIES, ALLOWS_NULL_VALUE_QUERIES})
  public void testContainsEntryNullNo() {
    assertFalse(multimap().containsEntry(null, null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_KEY_QUERIES)

        delete(file);
      }
    }
    filesToDelete.clear();
  }

  private File getTestDir() throws IOException {
    if (testDir != null) {
      return testDir;
    }

    URL testFileUrl = IoTestCase.class.getResource("testdata/i18n.txt");
    if (testFileUrl == null) {
      throw new RuntimeException("unable to locate testdata directory");
    }

    if (testFileUrl.getProtocol().equals("file")) {
      try {

        if (username != null) {
            AccountAttempts account = accountAttempts.get(username);
            if (account != null) {
                account.reset();
            }
        }

        if (sourceIp != null) {
            IpAttempts ip = ipAttempts.get(sourceIp);
            if (ip != null) {
                ip.recordSuccess();
            }
        }

    // Helper method to compare arrays
    private void assertArrayEquals(String[] expected, String[] actual) {
        if (expected == null && actual == null) {
            return;
        }
        if (expected == null || actual == null) {
            fail("Arrays are not equal: one is null");
        }
        assertEquals("Array lengths differ", expected.length, actual.length);
        for (int i = 0; i < expected.length; i++) {

            if (className == null) {
                return null;
            }
            String[] array = className.split("\\.");
            return array.length > 0 ? decapitalizeName(array[array.length - 1]) : null;
        }

        // Not part of interface
        public String fromComponentNameToClassName(String componentName) {
            if (componentName == null) {
                return null;

        }
    }

    @Test
    void handlesAbsentTransferSource() throws InterruptedException, TransferCancelledException {
        TransferResource resource = new TransferResource(null, null, "http://maven.org/test/test-resource", null, null);

        RepositorySystemSession session = Mockito.mock(RepositorySystemSession.class);
        TransferListener delegate = Mockito.mock(TransferListener.class);

        } else if (exception instanceof NullPointerException) {
            // Empty input causes null ASN1 object, which is expected behavior
            assertTrue(exception.getMessage() == null || exception.getMessage().contains("Cannot invoke \"Object.getClass()\""),
                    "NullPointerException should be from null ASN1 object.");
        }
    }

    /**

        int oemFlags = NtlmFlags.NTLMSSP_NEGOTIATE_OEM;

        // When
        Type1Message unicodeType1 = new Type1Message(mockContext, unicodeFlags, null, null);
        Type1Message oemType1 = new Type1Message(mockContext, oemFlags, null, null);

        // Then
        assertTrue((unicodeType1.getFlags() & NtlmFlags.NTLMSSP_NEGOTIATE_UNICODE) != 0);
        // OEM flag should not be set when default is Unicode

            throws IntrospectionException {
        if (value == null || key == null) {
            return null;
        }

        if (value instanceof Map map) {
            return map.get(key);
        }

        final String message = String.format(
                "The token '%s' at position '%d' refers to a java.util.Map, but the value "

 * whose next element can always be derived from the previous element. Null elements are not
 * supported, nor is the {@link #remove()} method.
 *
 * <p>Example:
 *
 * {@snippet :
 * Iterator<Integer> powersOfTwo =
 *     new AbstractSequentialIterator<Integer>(1) {
 *       protected Integer computeNext(Integer previous) {
 *         return (previous == 1 << 30) ? null : previous * 2;
 *       }
 *     };
 * }
 *