/p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
            <code class="computeroutput"><span class="identifier">iterator_policies</span><span class="special">::</span><span class="identifier">ref_counted</span></code> OwnershipPolicy
          </li>
<li class="listitem">
            <code class="computeroutput"><span class="identifier">iterator_policies</span><span class="special">::</span><span class="identifier">no_check</span></code> Checkin