n><span class="special">;</span>
</pre>
<p>
          <span class="bold"><strong>Returns:</strong></span> A const reference to <code class="computeroutput"><span class="identifier">m_iterator</span></code>.
        </p>
<pre class="programlisting"><span class="identifier">Base</span><span class="special">&amp;</span> <span class="identifier">base_reference</span><span class="special">();</span>
</pre>
<p>
          <span class="bold"><strong>Returns:</strong></span> A non-const reference to <code class="com