ntends.async">Asynchronous sink
        frontend</a></span></dt>
</dl></div>
<p>
        Sink frontends are the part of sinks provided by the library, that implements
        the common functionality shared between all sinks. This includes support
        for filtering, exception handling and thread synchronization. Also, since
        formatting is typical for text-based sinks, it is implemented by frontends
        as well. Every sink frontend receives log records from the logging core and
        then pa