nk" href="../../boost/log/basic_formatter_factory.html" title="Class template basic_formatter_factory">basic_formatter_factory</a></code>
          base class provided by the library. This class derives from the base <code class="computeroutput"><a class="link" href="../../boost/log/formatter_factory.html" title="Struct template formatter_factory">formatter_factory</a></code> interface
          and defines a few useful types, such as <code class="computeroutput"><span class="identifier">formatter_type</spa