a class="code hl_class" href="classmuda_1_1_launch_core.html">Base</a> = <a class="code hl_class" href="classmuda_1_1_launch_core.html">LaunchCore</a>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>  <span class="keyword">public</span>:</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keyword">using </span>derived_ty