><span class="special">&lt;</span><span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">&gt;</span> 
    <span class="keyword">explicit</span> <a class="link" href="severity_channel_logger_mt.html#idm31113-bb"><span class="identifier">severity_channel_logger_mt</span></a><span class="special">(</span><span class="identifier">ArgsT</span><span class="special">...</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</spa