  
      <div class="method_details ">
  <h3 class="signature " id="perform_callback-instance_method">
  
    #<strong>perform_callback</strong>  &#x21d2; <tt>Object</tt> 
  

  

  
</h3><div class="docstring">
  <div class="discussion">
    <p class="note private">
  <strong>This method is part of a private API.</strong>
  You should avoid using this method if possible, as it may be removed or be changed in the future.
</p>

<p>Calls the <span class='object_link'><a href="#callback-instance_method" title=