}

    @Test
    @DisplayName("Should handle null message")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            CIFSException exception = new CIFSException((String) null);
            assertNotNull(exception);
        });
    }

    @Test
    @DisplayName("Should handle null cause")
    void testNullCause() {
        // When/Then

        pathMappingHelper.setPathMappingList(sessionId, null);
        assertNull(pathMappingHelper.getPathMappingList(sessionId));
    }

    public void test_removePathMappingList_withNullSessionId() {
        pathMappingHelper.removePathMappingList(null);
    }

    public void test_getPathMappingList_withNullSessionId() {
        assertNull(pathMappingHelper.getPathMappingList(null));
    }

    Long n1 = 42L;
    Long n2 = MoreObjects.firstNonNull(null, n1);
    assertSame(n1, n2);

    Boolean b1 = true;
    Boolean b2 = MoreObjects.firstNonNull(b1, null);
    assertSame(b1, b2);
  }

  public void testFirstNonNull_throwsNullPointerException() {
    assertThrows(NullPointerException.class, () -> MoreObjects.firstNonNull(null, null));
  }

  // ToStringHelper's tests are in ToStringHelperTest

    assertThrows(NullPointerException.class, () -> throwIfUnchecked(null));
  }

  @J2ktIncompatible
  @GwtIncompatible // propagateIfPossible
  // I guess it's technically a bug that ThrowIfUncheckedKnownUnchecked fires here.
  @SuppressWarnings("ThrowIfUncheckedKnownUnchecked")
  public void testPropageIfPossible_null() {
    propagateIfPossible(null);
  }

  @J2ktIncompatible

        }
    }

    // Test with null values
    public void test_nullValues() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getMailFromName() {
                return null;
            }

            @Override

        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .repository(requireNonNull(repository, "repository cannot be null"))
                .artifacts(requireNonNull(artifacts, "artifacts cannot be null"))
                .build();
    }

    class ArtifactDeployerRequestBuilder {
        Session session;
        RequestTrace trace;

        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .coordinates(requireNonNull(coordinates, "coordinates cannot be null"))
                .build();
    }

    @Nonnull
    static ArtifactResolverRequest build(
            @Nonnull Session session,

   *       C}, instance methods are skipped for nulls test.
   *   <li>Nulls test is not performed on method return values unless the method is a visible static
   *       factory method whose return type is {@code C} or {@code C}'s subtype.
   * </ul>
   *
   * <p>In all cases, if {@code C} needs custom logic for testing nulls, you can add an explicit

                    }
                    Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>> queryMap = keyMatchQueryMap.get(virtualHost);
                    if (queryMap == null) {
                        queryMap = new HashMap<>();
                        keyMatchQueryMap.put(virtualHost, queryMap);
                    }
                    final String termKey = toLowerCase(keyMatch.getTerm());

     *
     * @param file The file, must not be {@code null}.
     * @deprecated Use {@link #FileSource(Path)} instead.
     */
    @Deprecated
    public FileSource(File file) {
        this(Objects.requireNonNull(file, "file cannot be null").toPath());
    }

    /**
     * Creates a new source backed by the specified file.
     *
     * @param path The file, must not be {@code null}.
     * @since 4.0.0
     */