# first remove current definitions from React::Component::Tags
      React::Component::Tags.remove_method :DIV
      React::Component::Tags.send(:remove_const, :DIV)
      # now you can freely redefine
      class React::Component::Tags::DIV < Hyperloop::Component
        others :opts
        render do
          # default behavior is
          # present ..tag-name.., params.opts, &children
          # for example to add data-render-time to every div:
          present :div, params.opts, data: {render_time:  Time.now}, &children
        end
      end