code>show</code> instance method is called.</td>
             </tr>
             <tr>
               <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>
      