> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span> severity_placeholder<span class="special">,</span> 
                          <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span> severity_compare<span class="special">,</span> 
                          <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span> channel_order<span 