an class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <a class="link" href="version.html" title="Struct template version">version</a><span class="special">&lt;</span> <span class="identifier">Combiner</span> <span class="special">&gt;</span>      <a name="boost.icl.version.type"></a><span class="identifier">type</span><span class="special">;</span>         
  <span class="keyword">typedef</span> <a class="link" href="conversion.html" title="Struct templat