ss="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment">   *        See `Args...`.</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment">   */</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>  <span class="keyword">template</span>&lt;<span class="keyword">typename</span> U, <span class="keyword">typename</span>... Args&gt;</div>
<div class="line"><a id="