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</div>
        </dt>
        <dd><pre class="code"><span class='int'>20</span></pre></dd>
      
        <dt id="STACKS_NUMBER-constant" class="">STACKS_NUMBER =
          
        </dt>
        <dd><pre class="code"><span class='int'>20</span></pre></dd>
      
    </dl>
  




  <h2>Instance Attribute Summary <small><a href="#" class="summary_toggle">collapse</a></small></h2>
  <ul class="summary">
    
      <li class="public ">
  <span class="summary_signature">
    
      <a href=