// These should return null
        assertNull(freshData.getDocumentItems());
        assertNull(freshData.getFacetResponse());
        assertNull(freshData.getAppendHighlightParams());
        assertNull(freshData.getExecTime());
        assertNull(freshData.getAllRecordCountRelation());
        assertNull(freshData.getPageNumberList());
        assertNull(freshData.getSearchQuery());

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessageAndCause() {
        // Test constructor with both null message and cause
        FessSystemException exception = new FessSystemException(null, null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test

        assertEquals(25, pathMapPager.getPageSize());
        assertEquals(1, pathMapPager.getCurrentPageNumber());
        assertNull(pathMapPager.id);
        assertNull(pathMapPager.regex);
        assertNull(pathMapPager.replacement);
        assertNull(pathMapPager.versionNo);

        pathMapPager.setAllRecordCount(999);
        assertEquals(999, pathMapPager.getAllRecordCount());

        assertNull(paramMap.get("AaaBbbCcc")); // null
        assertNull(paramMap.get("aaabbbcc"));
        assertEquals("444", paramMap.get("ccc.ddd"));
        assertNull(paramMap.get("cccDdd"));
        assertNull(paramMap.get("DccDdd"));
    }

    @Test
    public void test_camel_containsKey() {
        Map<Object, Object> paramMap = createCamelMap();

    public void test_chatSourceDefaultConstructor() {
        final ChatSource source = new ChatSource();
        assertEquals(0, source.getIndex());
        assertNull(source.getTitle());
        assertNull(source.getUrl());
        assertNull(source.getDocId());
        assertNull(source.getSnippet());
    }

    @Test
    public void test_chatSourceFromMap() {
        final Map<String, Object> doc = new HashMap<>();

        String type = null;
        String message = null;
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertNull(exception.getType());
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withEmptyType() {
        // Test constructor with empty type string
        String type = "";

        // Verify
        assertNotNull(exception);
        assertNull(exception.getMessage());
        assertNull(exception.getCause());
        assertNull(exception.getMessageCode());
    }

    @Test
    public void test_constructor_twoParametersWithNullMessageCode() {
        // Setup
        final String message = "Test message";

        // Execute

    }

    @Test
    public void test_createForm_initialize() {
        final CreateForm form = new CreateForm();
        assertNull(form.crudMode);
        assertNull(form.name);
        assertNull(form.password);
        assertNull(form.confirmPassword);
        assertNotNull(form.attributes);
        assertTrue(form.attributes.isEmpty());

        form.initialize();

    )
  }

  @Test fun nonBasicCodePointInPrefix() {
    assertNull(Punycode.decode("xn--cåt-n3h"))
  }

  @Test fun nonBasicCodePointInInsertionCoding() {
    assertNull(Punycode.decode("xn--cat-ñ3h"))
  }

  @Test fun unterminatedCodePoint() {
    assertNull(Punycode.decode("xn--cat-n"))
  }

  @Test fun overflowI() {
    assertNull(Punycode.decode("xn--99999999"))
  }

    assertNull(navigableMap.floorKey(k0()));
    assertNull(navigableMap.ceilingEntry(k0()));
    assertNull(navigableMap.ceilingKey(k0()));
    assertNull(navigableMap.higherEntry(k0()));
    assertNull(navigableMap.higherKey(k0()));
  }

  @CollectionSize.Require(ZERO)
  public void testEmptyMapLast() {
    assertNull(navigableMap.lastEntry());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)