*
     * @return the next message or null if this is the last message
     */
    protected ServerMessageBlock2 getNext() {
        return this.next;
    }

    /**
     * Sets the next message in the compound chain.
     *
     * @param n the next message
     */
    protected void setNext(final ServerMessageBlock2 n) {
        this.next = n;
    }

    /**
     * @return the response
     */

  public static <T extends @Nullable Object> T get(
      Iterator<? extends T> iterator, int position, @ParametricNullness T defaultValue) {
    checkNonnegative(position);
    advance(iterator, position);
    return getNext(iterator, defaultValue);
  }

  static void checkNonnegative(int position) {
    if (position < 0) {
      throw new IndexOutOfBoundsException("position (" + position + ") must not be negative");
    }
  }

HSPLkotlinx/coroutines/internal/LockFreeLinkedListNode;->finishAdd(Lkotlinx/coroutines/internal/LockFreeLinkedListNode;)V
HSPLkotlinx/coroutines/internal/LockFreeLinkedListNode;->getNext()Ljava/lang/Object;
HSPLkotlinx/coroutines/internal/LockFreeLinkedListNode;->getNextNode()Lkotlinx/coroutines/internal/LockFreeLinkedListNode;

        SuggestItem item = new SuggestItem(text, readings, null, 0L, 0L, 1.0f, null, null, null, SuggestItem.Kind.USER);

        // Test text
        item.setText("sample text");
        assertEquals("sample text", item.getText());

        // Test timestamp
        ZonedDateTime now = ZonedDateTime.now();
        item.setTimestamp(now);
        assertEquals(now, item.getTimestamp());

        try {
            tikaExtractor.getText(in, null);
            fail();
        } catch (final ExtractException e) {
            logger.info(e.getMessage());
        }
    }

    public void test_getTika_tar() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/tar/test.tar");
        final ExtractData extractData = tikaExtractor.getText(in, null);

    }

    public void test_getText() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/markdown/test.md");
        final ExtractData extractData = markdownExtractor.getText(in, null);
        CloseableUtil.closeQuietly(in);

        final String content = extractData.getContent();
        logger.info(content);

        // Verify plain text extraction

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

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

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

    public void test_getHtml_sjis() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/test_sjis.html");
        final String content = htmlXpathExtractor.getText(in, null).getContent();

        final Map<String, String> params = new HashMap<>();
        params.put(ExtractData.RESOURCE_NAME_KEY, "test-document.pdf");

        final ExtractData result = filenameExtractor.getText(in, params);

        assertNotNull(result);
        assertEquals("test-document.pdf", result.getContent());
    }

    /**
     * Test extraction with null parameters map.
     */

        final ExtractData result = textExtractor.getText(in, null);

        assertNotNull(result);
        assertNotNull(result.getContent());
    }

    /**
     * Test that null input stream throws CrawlerSystemException with correct message.
     */
    public void test_getText_nullInputStream_throwsWithMessage() {
        try {
            textExtractor.getText(null, null);