ecial">&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">pair</span><span class="special">&lt;</span> <span class="keyword">const</span> <span class="identifier">Key</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">Options</span> <span class="special">&gt;</span> <a name="boost.container.pmr.multimap_of.type"></a