/span>&#160;{</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keyword">using</span> ViewList = std::list&lt;SharedPointer&lt;CView&gt;&gt;;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keyword">explici