ss="identifier">implementation_defined</span><span class="special">::</span><span class="identifier">const_pointer</span>   <a name="boost.interprocess.adaptive_pool.const_pointer"></a><span class="identifier">const_pointer</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">T</span>                                       <a name="boost.interprocess.adaptive_pool.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>     
  