code: public String generateDiff(GenericObject from, GenericObject to) {
          StringBuilder builder = new StringBuilder();
  
          builder.append("<table class=\"nomargin diff\">");
          builder.append("<thead>");
          builder.append("<tr>");
          builder.append("<th/>");
          builder.append("<th class=\"texttitle\">From</th>");
          builder.append("<th/>");
          builder.append("<th class=\"texttitle\">To</th>");
          builder.append("</tr>");
          builder.append("</thead>");
  
          builder.append("<tbody>");
  
          writeDiff(builder, from, to);
  
          builder.append("</tbody>");
          builder.append("</table>");
  
          return builder.toString();
      }
docs: Generate the HTML difference between two GenericObjects.
  
  @return