* as well.
   */
  @Override
  public abstract ImmutableMap<R, Map<C, V>> rowMap();

  @Override
  public boolean contains(@Nullable Object rowKey, @Nullable Object columnKey) {
    return get(rowKey, columnKey) != null;
  }

  @Override
  public boolean containsValue(@Nullable Object value) {
    return values().contains(value);
  }

  /**

     * @return true if the user can login, false otherwise
     * @throws UnsupportedOperationException always thrown as this method is not supported
     */
    @Override
    public boolean checkUserLoginable(final LoginCredential credential) {
        throw new UnsupportedOperationException("checkUserLoginable is not supported.");
    }

    /**

        Set<Map.Entry<String, Object>> entrySet = docMap.entrySet();
        assertEquals(4, entrySet.size());

        String[] keys = entrySet.stream().map(Map.Entry::getKey).toArray(String[]::new);

        boolean langFirst = "lang".equals(keys[0]);
        assertTrue("lang should be first or sorted normally", langFirst || Arrays.asList(keys).contains("lang"));

        assertTrue(Arrays.asList(keys).contains("apple"));

            }

        });
    }

    /**
     * Checks if this response contains any facet information.
     *
     * @return true if either query count map or field list is not null
     */
    public boolean hasFacetResponse() {
        return queryCountMap != null || fieldList != null;
    }

    /**
     * Represents a field facet with its name and value counts.

    @Override
    public void setUp() throws Exception {
        super.setUp();
        ComponentUtil.setFessConfig(null);
    }

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    public void test_setFessConfig_null() {
        assertTrue(FessProp.propMap.isEmpty());
    }

    public void test_setFessConfig_notNull() {

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {
            if (element.getMethodName().equals("test_stackTrace")) {
                foundTestMethod = true;

     * @return true if the URL was successfully added to favorites, false if the user was not found
     */
    public boolean addUrl(final String userCode, final BiConsumer<UserInfo, FavoriteLog> favoriteLogLambda) {
        return userInfoBhv.selectByPK(userCode).map(userInfo -> {
            final FavoriteLog favoriteLog = new FavoriteLog();

    private ExceptionWithSomePrivateConstructors(
        String a, String b, String c, String d, String e) {}
  }

  public static final class ExceptionWithManyConstructors extends Exception {
    boolean usedExpectedConstructor;

    public ExceptionWithManyConstructors() {}

    public ExceptionWithManyConstructors(Integer i) {}

    public ExceptionWithManyConstructors(Throwable a) {}

          return null;
        },
        /* userPassedSupplier= */ false);
  }

  private static <T extends Throwable> T doAssertThrows(
      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {
    checkNotNull(expectedThrowable);
    checkNotNull(supplier);
    Predicate<Throwable> predicate = INSTANCE_OF.get(expectedThrowable);
    if (predicate == null) {

          return null;
        },
        /* userPassedSupplier= */ false);
  }

  private static <T extends Throwable> T doAssertThrows(
      Class<T> expectedThrowable, ThrowingSupplier supplier, boolean userPassedSupplier) {
    checkNotNull(expectedThrowable);
    checkNotNull(supplier);
    Predicate<Throwable> predicate = INSTANCE_OF.get(expectedThrowable);
    if (predicate == null) {