docs: @Deprecated
      public static String formatXml(String xml){
          try{
             Transformer serializer= SAXTransformerFactory.newInstance().newTransformer();
             serializer.setOutputProperty(OutputKeys.INDENT, "yes");         
             serializer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
             Source xmlSource=new SAXSource(new InputSource(new ByteArrayInputStream(xml.getBytes())));
             StreamResult res =  new StreamResult(new ByteArrayOutputStream());            
             serializer.transform(xmlSource, res);
             return new String(((ByteArrayOutputStream)res.getOutputStream()).toByteArray());
          }catch(Exception e){   
             return xml;
          }
       }