try {
            final SuggestItem item =
                    contentsParser.parseSearchWords(words, null, fields, tags, roles, num, readingConverter, normalizer, analyzer, langs);
            if (item == null) {
                return new SuggestIndexResponse(0, 1, null, System.currentTimeMillis() - start);
            }
            final long parseTime = System.currentTimeMillis();

   *
   * @throws IllegalArgumentException if the stream consists of two or more elements.
   * @throws NullPointerException if any element in the stream is {@code null}.
   * @return {@code Optional.of(onlyElement)} if the stream has exactly one element (must not be
   *     {@code null}) and returns {@code Optional.empty()} if it has none.
   */
  @SuppressWarnings("unchecked")
  public static <T> Collector<T, ?, Optional<T>> toOptional() {

    void constructor_shouldHandleNullServerSuccessfully() throws IOException {
        // Arrange
        String server = null;
        int access = 123;

        doAnswer(invocation -> {
            MsrpcLsarOpenPolicy2 rpc = invocation.getArgument(0);
            rpc.retval = 0; // Simulate success
            return null;
        }).when(mockDcerpcHandle).sendrecv(any(MsrpcLsarOpenPolicy2.class));

        // Act

            final SmbFileFilter ff) throws SmbException {
        try (CloseableIterator<SmbResource> it = doEnum(root, wildcard, searchAttributes,
                fnf == null ? null : new ResourceNameFilterWrapper(fnf), ff == null ? null : new ResourceFilterWrapper(ff))) {

            final List<SmbFile> list = new ArrayList<>();
            while (it.hasNext()) {
                try (SmbResource n = it.next()) {

    }

    @Test
    @DisplayName("Test allowChain with null parameter")
    void testAllowChainWithNull() {
        // Given
        when(request.allowChain(null)).thenReturn(false);

        // When
        boolean result = request.allowChain(null);

        // Then
        assertFalse(result);
        verify(request, times(1)).allowChain(null);
    }

    @Test

     * @return the element type if this field is a parameterized {@link Collection}, otherwise {@literal null}
     */
    Class<?> getElementClassOfCollection();

    /**
     * Returns the key type if this field is a parameterized {@link Map}.
     *
     * @return the key type if this field is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getKeyClassOfMap();

    /**

     * Validates that the entity is not null and sets the creation time if not already present.
     *
     * @param crawlingInfo the crawling information entity to prepare for storage
     * @throws FessSystemException if the crawling information is null
     */
    protected void setupStoreCondition(final CrawlingInfo crawlingInfo) {
        if (crawlingInfo == null) {

     * has a charset other than utf-8 the behaviour differs by platform.
     *
     * On the JVM the encoding will be used instead of utf-8.
     *
     * On non JVM platforms, this method will fail for encodings other than utf-8.
     */
    @JvmStatic
    @JvmName("create")
    fun String.toResponseBody(contentType: MediaType? = null): ResponseBody {

            }

            Arrays.sort(array, (o1, o2) -> {
                if (o1 == null && o2 == null) {
                    return 0;
                }
                if (o1 == null) {
                    return -1;
                }
                if (o2 == null) {
                    return 1;
                }

                final Object timeObj1 = o1.get(FieldNames.TIMESTAMP);

        assertEquals("http://test.com/sitemap.xml", removedSitemaps[1]);

        // Should be null after removal
        assertNull(crawlerContext.removeSitemaps());

        // Test with null
        crawlerContext.addSitemaps(null);
        assertNull(crawlerContext.removeSitemaps());

        // Test with empty array
        crawlerContext.addSitemaps(new String[0]);