td>shown</td>
         <td>This event is fired when a collapse element has been made visible to the user (will wait for css transitions to complete).</td>
      </tr>
      <tr>
         <td>hide</td>
         <td>
            This event is fired immediately when the <code>hide</code> method has been called.
         </td>
      </tr>
      <tr>
         <td>hidden</td>
         <td>This event is fired when a collapse element has been hidden from the user (will wait for css transitions to complete).</td>
  