docs: public QName get(String localName) {
          if (uri != null && uri.length() > 0) {
              if (prefix != null) {
                  return new QName(uri, localName, prefix);
              }
              else {
                  return new QName(uri, localName);
              }
          }
          else {
              return new QName(localName);
          }
      }