multimap().put(k3(), null);

    assertGet(k3(), Lists.newArrayList((V) null)); // ImmutableList.of can't take null.
    assertEquals(size + 1, multimap().size());
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutNullValue_unsupported() {
    assertThrows(NullPointerException.class, () -> multimap().put(k1(), null));

    expectUnchanged();
  }

    multimap().put(k3(), null);

    assertGet(k3(), Lists.newArrayList((V) null)); // ImmutableList.of can't take null.
    assertEquals(size + 1, multimap().size());
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUES)
  public void testPutNullValue_unsupported() {
    assertThrows(NullPointerException.class, () -> multimap().put(k1(), null));

    expectUnchanged();
  }

     *            The algorithm. Must not be {@literal null} or an empty string.
     * @param text
     *            The string to be hashed.
     * @return The hashed string.
     */
    public static String digest(final String algorithm, final String text) {
        assertArgumentNotEmpty("algorithm", algorithm);

        if (text == null) {
            return null;
        }

            lhaExtractor.setMaxContentSize(100);
            lhaExtractor.getText(in, null);
            fail();
        } catch (MaxLengthExceededException e) {
            // pass
        }
        lhaExtractor.setMaxContentSize(-1);
    }

    public void test_getText_null() {
        try {
            lhaExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {

    public MetadataRetrievalException(String message) {
        this(message, null, null);
    }

    public MetadataRetrievalException(Throwable cause) {
        this(null, cause, null);
    }

    public MetadataRetrievalException(String message, Throwable cause) {
        this(message, cause, null);
    }

    public MetadataRetrievalException(String message, Throwable cause, ArtifactMetadata artifact) {

        }

        /**
         * Gets the content type of the storage object.
         *
         * @return The content type, or null if unavailable
         */
        @Override
        public String getContentType() {
            if (minioClient == null) {
                return null;
            }
            try {
                return getStatObject().contentType();

        assertQueryContext(query, null, null, context);
    }

    private void assertQueryContext(String query, Map<String, List<String>> fieldLogMap, Set<String> highlightedQuerySet,
            QueryContext context) {
        assertQueryContext(query, fieldLogMap, highlightedQuerySet, null, context);
    }

                @Override
                public void registerData(String key, Object value) {
                    // Mock implementation
                }
            };
        } catch (Exception e) {
            // If ActionRuntime constructor fails, return null and handle in test methods
            return null;
        }
    }

    }

    @Test
    @DisplayName("Should handle null path")
    void testNullPath() {
        // When creating with null path
        Smb2TreeConnectRequest reqWithNull = new Smb2TreeConnectRequest(mockConfig, null);

        // Then - should not throw during construction
        assertNotNull(reqWithNull);

        // But should throw when trying to use the null path
        assertThrows(NullPointerException.class, () -> {

        final String content = msWordExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msWordExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP