    <span class='op'>=</span> <span class='id identifier rubyid_attrs'>attrs</span><span class='lbracket'>[</span><span class='symbol'>:callback</span><span class='rbracket'>]</span>            <span class='op'>||</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_class'>class</span><span class='period'>.</span><span class='id identifier rubyid_callback'>callback</span>
<span class='kw'>end</span></pre>
    </td>
  </tr>
</table>
</div>
  
</div>

  <div id="cl