ss_observe_method_type.html">ObserveMethodType</a>(std::forward&lt;ConstructorArgs&gt;(args)...), xmlmemory_io_(),</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;             observe_xml_engine_(<span class="stringliteral">&quot;xml_observe_reduce&quot;</span>, this-&gt;quantity_name_),</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;             result_xml_engine_in_(<span class="stringliteral">&quot;result_xml_engine_in&quot;</span>, <