}
            }

            if ( "null".equals( versioning.getLastUpdated() ) )
            {
                versioning.setLastUpdated( null );
            }

            if ( "null".equals( v.getLastUpdated() ) )
            {
                v.setLastUpdated( null );
            }

            if ( versioning.getLastUpdated() == null || versioning.getLastUpdated().length() == 0 )
            {

            return null;
        }
        final ParameterizedClassDesc pcd = parameterizedClassDesc.getArguments()[0];
        if (pcd == null) {
            return null;
        }
        return pcd.getRawClass();
    }

    @Override
    public Class<?> getValueClassOfMap() {
        if (!Map.class.isAssignableFrom(fieldType) || !isParameterized()) {
            return null;
        }

            return (DfFinalTimeZoneProvider) field.get(null);
        } catch (NoSuchFieldException e) {
            // Field might not exist in this version, return null
            return null;
        } catch (IllegalAccessException e) {
            // Cannot access field due to security restrictions
            return null;
        } catch (Exception e) {
            // Other errors, return null instead of throwing
            return null;

    @Test
    @DisplayName("createContext accepts null/empty optional parameters")
    void createContext_edge_parameters_ok() throws Exception {
        TestCredentials creds = new TestCredentials("D", false, false, new Subject(), false);
        // Intentionally pass null/empty values for optional parameters; expect no exception
        SSPContext ctx1 = creds.createContext(mockContext, null, "", null, false);
        assertNotNull(ctx1);
    }

      }
    }

    fun setupPlatform() {
      if (requiredPlatformName != null) {
        assumeTrue(getPlatformSystemProperty() == requiredPlatformName)
      }

      if (platform != null) {
        Platform.resetForTests(platform)
      } else {
        Platform.resetForTests()
      }

      if (requiredPlatformName != null) {
        System.err.println("Running with ${Platform.get().javaClass.simpleName}")

        BooleanFunction<String> isNotEmpty = s -> s != null && !s.isEmpty();

        assertTrue(isNotEmpty.apply("test"));
        assertTrue(isNotEmpty.apply("a"));
        assertFalse(isNotEmpty.apply(""));
        assertFalse(isNotEmpty.apply(null));
    }

    public void test_apply_integer() {
        BooleanFunction<Integer> isPositive = n -> n != null && n > 0;

        assertTrue(isPositive.apply(1));

        if (upperBound != null) {
          map = map.headMap(upperBound);
        }
        return map;
      }
      return null;
    }

    @Override
    void maintainEmptyInvariant() {
      updateWholeRowField();
      if (wholeRow != null && wholeRow.isEmpty()) {
        backingMap.remove(rowKey);
        wholeRow = null;
        backingRowMap = null;
      }
    }

    @Override

     * @param scriptEngine The script engine.
     */
    public void add(final String name, final ScriptEngine scriptEngine) {
        if (name == null || scriptEngine == null) {
            throw new IllegalArgumentException("name or scriptEngine is null.");
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", name);
        }

  public void testOffer_nullSupported() {
    assertTrue("offer(null) should return true", getQueue().offer(null));
    expectAdded((E) null);
  }

  @CollectionFeature.Require(value = SUPPORTS_ADD, absent = ALLOWS_NULL_VALUES)
  public void testOffer_nullUnsupported() {
    assertThrows(NullPointerException.class, () -> getQueue().offer(null));
    expectUnchanged();

     * @return the normalized content, or empty string if content is null
     */
    public String getContent(final CrawlingConfig crawlingConfig, final ResponseData responseData, final String content,
            final Map<String, Object> dataMap) {
        if (content == null) {
            return StringUtil.EMPTY; // empty
        }

        if (crawlingConfig != null) {