code: public List<GedRenderer<?>> getAttributes() {
          final Note source = getGedObject();
          final List<GedRenderer<?>> list = new ArrayList<GedRenderer<?>>();
          for (final GedObject attribute : source.getAttributes()) {
              final GedRenderer<?> attributeRenderer =
                      createGedRenderer(attribute);
              if (!attributeRenderer.getListItemContents().isEmpty()) {
                  list.add(attributeRenderer);
              }
          }
          return list;
      }
docs: Return the list of renderers that can be rendered in a list format.
  
  @return the list of attribute renderers.