  <span class="summary_desc"><div class='inline'>
<p>Overwrites the keys of the current button defaults by the ones provided during the execution of a given block and restores them afterwords.</p>
</div></span>
  
</li>

      
    </ul>
  



  <div id="class_method_details" class="method_details_list">
    <h2>Class Method Details</h2>

    
      <div class="method_details first">
  <h3 class="signature first" id="authentication_before_action-class_method">
  
    .<strong>authentication_before_action</s