*   <li>If the value is null, get the value from the context.</li>
     *   <li>If the value is null, but the context contains the expression, don't replace the expression string
     *       with the value, and continue to find other expressions.</li>
     *   <li>If the value is null, get it from the model properties.</li>
     * </ul>
     */
    @Override

    }

    @Test
    @DisplayName("constructor accepts null principal")
    void testConstructorWithNullPrincipal(@Mock HttpServletRequest mockRequest) {
        // Constructor accepts null principal without throwing exception
        NtlmHttpServletRequest request = new NtlmHttpServletRequest(mockRequest, null);

        // getRemoteUser() will throw NPE when trying to call getName() on null principal

    @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);
    }

        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

                    .thenReturn(null);

            // Perform the renewal
            boolean renewed = wrapper.renewCredentials("locationHint", null);

            // Verify that NtlmAuthenticator was used but credentials were not updated
            assertFalse(renewed, "renewCredentials should return false when NtlmAuthenticator returns null");

        this.output = output == null ? null : output.replace("\n", " ");
        Arrays.sort(inputs);

        if (id == 0) {
            // create
            newInputs = inputs;
            newOutput = output;
        }
    }

    /**
     * Returns the array of new input character sequences for update operations.
     *
     * @return array of new input sequences, or null if no updates are pending
     */

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

        if (_conditionQuery != null) {
            QueryBuilder queryBuilder = _conditionQuery.getQuery();
            if (queryBuilder != null) {
                builder.setQuery(queryBuilder);
            }
            _conditionQuery.getFieldSortBuilderList().forEach(sort -> {
                builder.addSort(sort);
            });
        }

        if (_conditionAggregation != null) {

  private var testClient: OkHttpClient? = null
  private var uncaughtException: Throwable? = null
  private lateinit var testName: String
  private var defaultUncaughtExceptionHandler: Thread.UncaughtExceptionHandler? = null
  private var taskQueuesWereIdle: Boolean = false
  private val connectionListener = RecordingConnectionListener()

  var logger: Logger? = null

  var recordEvents = true
  var recordTaskRunner = false

        doUpdate(entity, null);
    }

    public void insertOrUpdate(ScheduledJob entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(ScheduledJob entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }