The problem of using poi to obtain bookmarks in docx tables and solutions

public class WordUtil {

    /**
      * Process bookmarks in tables The contents in each cell can be regarded as a paragraph
      *
      * @param xwpfDocument Document object
      * @param dataMap Bookmark content
      */
    public static void dealBookmarkOfDocx(XWPFDocument xwpfDocument, Map<String, String> dataMap) throws IOException {
        //Processing bookmarks in the form        List<XWPFTable> tableList = ();
        for (XWPFTable table : tableList) {
            int rowCount = ();//Get the number of rows of table            for (int i = 0; i < rowCount; i++) {
                XWPFTableRow row = (i);
                List<XWPFTableCell> cells = ();
                for (XWPFTableCell cell : cells) {
                    dealParagraphBookmark((), dataMap);
                }
            }
        }
        //Processing bookmarks in paragraphs        List<XWPFParagraph> paragraphs = ();
        dealParagraphBookmark(paragraphs, dataMap);
    }

    /**
      * Replace the bookmark in each paragraph
      *
      * @param paragraphList paragraph list
      * @param dataMap Bookmark content
      */
    private static void dealParagraphBookmark(List<XWPFParagraph> paragraphList, Map<String, String> dataMap) {
        for (XWPFParagraph paragraph : paragraphList) {
            CTP ctp = ();
            for (int i = 0; i < (); i++) {
                CTBookmark bookmark = (i);
                String bookmarkName = ();
                if ((bookmarkName)) {
                    XWPFRun xwpfRun = ();
                    ((bookmarkName));

                    Node firstNode = ();
                    Node nextNode = ();
                    while (nextNode != null) {
                        String nodeName = ();
                        if (("w:bookmarkEnd")) {
                            break;
                        }
                        Node delNode = nextNode;
                        nextNode = ();
                        ().removeChild(delNode);
                    }
                    if (nextNode == null) {
                        //The end sign cannot be found, add it in front of the bookmark                        ().insertBefore(().getDomNode(), firstNode);
                    } else {
                        //Find the ending character and add the new content before the ending character, that is, the content is written to the middle of the bookmark                        ().insertBefore(().getDomNode(), nextNode);
                    }
                }
            }
        }
    }
}

class WordUtilTest {

    @Test
    void dealBookmarkOfDocx() {
        String docxPath = "C:\\Users\\XXX\\Desktop\\";

        Map<String, String> dataMap = new HashMap<>();
        ("bookmark1", "1234567");

        try (InputStream inputStream = ((docxPath));
             XWPFDocument xDoc = new XWPFDocument(inputStream)) {

            (xDoc, dataMap);

            (((docxPath)));

        } catch (IOException e) {
            throw new RuntimeException(e);
        }

    }
}