private BxLine parseLineElement(Element lineE) {
   BxLine line = new BxLine();
   if (!(getChildren("LineCorners", lineE).isEmpty())) {
     line.setBounds(parseElementContainingVertexes(getChildren("LineCorners", lineE).get(0)));
   }
   List<Element> e = getChildren("Word", lineE);
   for (Element we : e) {
     BxWord wo = parseWordElement(we);
     line.addWord(wo);
   }
   return line;
 }