 class="special">&lt;</span><span class="identifier">tag</span><span class="special">::</span><span class="identifier">peaks_over_threshold</span><span class="special">&lt;</span> <span class="identifier">LeftRight</span> <span class="special">&gt;</span><span class="special">(</span><span class="identifier">with_threshold_probability</span><span class="special">)</span><span class="special">&gt;</span> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</s