</span> <span class="identifier">allocator_type</span> <span class="special">&gt;</span>                  <a name="boost.icl.map.base_type"></a><span class="identifier">base_type</span><span class="special">;</span>                 
  <span class="keyword">typedef</span> <span class="identifier">Traits</span>                                                                                                           <a name="boost.icl.map.traits"></a><span class="identifier">traits</span><span class="special">