# o extendedDBFluteInitializerClass: (NotRequired - Default null)
# o shortCharHandlingMode: (NotRequired - Default NONE)
# o quoteTableNameList: (NotRequired - Default list:{})
# o quoteColumnNameList: (NotRequired - Default list:{})
# o columnNullObjectMap: (NotRequired - Default map:{})
# o relationalNullObjectMap: (NotRequired - Default map:{})
# o cursorSelectFetchSize: (NotRequired - Default null)
# o refreshMap: (NotRequired - Default map:{})

    Map<C, V> row = safeGet(rowMap(), rowKey);
    return row != null && Maps.safeContainsKey(row, columnKey);
  }

  @Override
  public @Nullable V get(@Nullable Object rowKey, @Nullable Object columnKey) {
    Map<C, V> row = safeGet(rowMap(), rowKey);
    return (row == null) ? null : safeGet(row, columnKey);
  }

  @Override
  public boolean isEmpty() {
    return size() == 0;
  }

        // This should return null
        Object result = WebApiUtil.getObject("testKey");
        assertNull("getObject should return null when no request available", result);
    }

    public void test_getObject_withNullName() {
        // Test getObject with null name
        Object result = WebApiUtil.getObject(null);
        assertNull("getObject should return null for null name", result);
    }

        assertEquals(1, chain3.updateCallCount);
    }

    // Test addChain null handling
    public void test_addChain_withNull() {
        // ArrayUtils.addAll handles null gracefully by adding it to the array
        authenticationManager.addChain(null);

        // Verify null chain doesn't cause issues during operations
        User user = createTestUser("testuser");
        try {

    @Test
    @DisplayName("Test sign method with null request and response")
    void testSignWithNullMessages() {
        // Arrange
        int offset = 0;
        int length = testData.length;

        // Act
        signingDigest.sign(testData, offset, length, null, null);

        // Assert
        verify(signingDigest, times(1)).sign(testData, offset, length, null, null);
    }

    @Test

                    }
                }
                exception = null;
                break;
            } catch (final Exception e) {
                exception = new SuggesterException(e);
                scrollId = null;
            }
        }

        docCount.getAndAdd(queue.size());

        if (exception != null) {
            throw exception;
        }
    }

    /**

        }

        @Test
        @DisplayName("should handle null policy handle")
        void testNullPolicyHandleHandled() {
            // Act & Assert - The constructor accepts null policy handle without throwing
            assertDoesNotThrow(() -> new MsrpcSamrConnect2("\\\\srv", 0, null));
        }

        @Test
        @DisplayName("should handle empty string as system name")

        assertThat(StringUtil.defaultString("aaa", null), is("aaa"));
        assertThat(StringUtil.defaultString(null, null), is(nullValue()));
    }

    @Test
    public void testNewStringUnsafe() {
        assertNull(StringUtil.newStringUnsafe(null));
        Method newStringUnsafeMethod = StringUtil.newStringUnsafeMethod;
        if (newStringUnsafeMethod != null) {

     * @param replacement The replacement string.
     */
    public void add(final String target, final String replacement) {
        if (target == null || replacement == null) {
            throw new CrawlerSystemException("Target or replacement cannot be null.");
        }
        convertMap.put(target, replacement);
    }

    /**
     * Sets the conversion map.
     * @param convertMap The conversion map to set.

 * interceptors, the OkHttp core, all network interceptors, and finally the network caller.
 *
 * If the chain is for an application interceptor then [exchange] must be null. Otherwise it is for
 * a network interceptor and [exchange] must be non-null.
 */
class RealInterceptorChain(
  internal val call: RealCall,
  private val interceptors: List<Interceptor>,
  private val index: Int,
  internal val exchange: Exchange?,