="special">&gt;</span> <span class="keyword">explicit</span> <a class="link" href="channel_logger.html#idm46093048960688-bb"><span class="identifier">channel_logger</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">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="channel_logger.html#idm46093048957872-bb"><sp