or.generic.adaptor.adaptor_reference.h5"></a>
          <span class="phrase"><a name="iterator.generic.adaptor.adaptor_reference.protected"></a></span><a class="link" href="adaptor.html#iterator.generic.adaptor.adaptor_reference.protected">Protected</a>
        </h4>
<pre class="programlisting"><span class="identifier">Base</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">base_reference</span><span class="special">()</span> <span class="keyword">const</spa