tifier">isIterSet</span><span class="special">;</span>

    <span class="identifier">ConstPolygonRingIterator</span> <span class="identifier">_cbegin</span><span class="special">;</span>
    <span class="identifier">ConstPolygonRingIterator</span> <span class="identifier">_cend</span><span class="special">;</span>

    <span class="keyword">bool</span> <span class="identifier">isCIterSet</span><span class="special">;</span>

<span class="keyword">public</span><span class="special">:</span>

    <span class=