<span class="identifier">posix_time</span><span class="special">::</span><span class="identifier">seconds</span><span class="special">(</span><span class="number">1</span><span class="special">)</span>                <a class="co" name="log.detailed.sink_frontends.async.c18" href="sink_frontends.html#log.detailed.sink_frontends.async.c19"><img src="../../../../../../doc/src/images/callouts/7.png" alt="7" border="0"></a>
    <span class="special">));</span>
    <span class="identifier">core</span><span class