/div></div>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><code class="computeroutput"><a class="link" href="../../sinks.html#header.boost.log.sinks.async_frontend_hpp" title="Header &lt;boost/log/sinks/async_frontend.hpp&gt;">boost/log/sinks/async_frontend.hpp</a></code><span class="special">&gt;</span>

<span class="comment">// Related headers</span>
<span class="preprocessor">#include</span> <span class="special">&lt;</span><code class="computerou