 class="special">&gt;</span>     <a name="boost.log.sinks.basic_event_log_backend.insertion_list"></a><span class="identifier">insertion_list</span><span class="special">;</span>              <span class="comment">// Type of the composed insertions list. </span>
  <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span>                    <a name="boost.log.sinks.basic_event_log_backend.event_type_mapper_type"></a><span class="identifier">event_