an> <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</span> <a class="link" href="tag/pot_quantile_prob.html" title="Struct template pot_quantile_prob">tag::pot_quantile_prob</a><span class="special">&lt;</span> <span class="identi