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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Combiner<span class="special">,</span> <span class="keyword">typename</span> Group<span class="special">,</span> 
         <span class="keyword">typename</span> GroupCompare<span class="special">,</span> <span class="keyword">typename</span> SlotFunction<span class="special">,</span> 
  