docs: public static String getTextContent(Document document, boolean individualTokens) {
          String textContent = null;
          if (individualTokens) {
              List<String> tokens = getTextTokens(document);
              textContent = StringUtils.join(tokens, ",");
          } else {
              textContent =
                      document.getDocumentElement().getTextContent().trim().replaceAll("\\s+", ",");
          }
          return textContent;
      }