docs: protected String getElementName(final EObject element) {
      if ((element == null)) {
        return null;
      }
      final String name = this.attributeResolver.apply(element);
      String _xifexpression = null;
      boolean _isEmpty = Strings.isEmpty(name);
      if (_isEmpty) {
        _xifexpression = null;
      } else {
        _xifexpression = name;
      }
      return _xifexpression;
    }