al">&gt;</span> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">is_map</span><span class="special">&lt;</span> <a class="link" href="interval_base_map.html" title="Class template interval_base_map">icl::interval_base_map</a><span class="special">&lt;</span> <span class="identifier">SubType</span><span class="special">,</span> <span class="identifier">DomainT</span><span class="special">,</span> <span class="identifier">Co