docs: public static void writeDocumentToFile(Document document,
                                             String filePathname, String method, int indent)
              throws TransformerException, IOException {
  
          Transformer transformer = TransformerFactory.newInstance()
                  .newTransformer();
          transformer.setOutputProperty(OutputKeys.INDENT, "yes");
          transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
          transformer.setOutputProperty(OutputKeys.METHOD, method);
  
          transformer.transform(new DOMSource(document), new StreamResult(
                  new FileOutputStream(filePathname)));
      }