operator</span> <span class="keyword">bool</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">type_info</span> <span class="special">&amp;</span> <a class="link" href="imported_class.html#idp40226912-bb"><span class="identifier">get_type_info</span></a><span class="special">(</span><span class="spe