odule</span> CallEvent</span><span> = <a href="../PulseCallEvent/index.html">PulseCallEvent</a></span></code></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-Formula"><a href="#module-Formula" class="anchor"></a><code><span><span class="keyword">module</span> Formula</span><span> = <a href="../PulseFormula/index.html">PulseFormula</a></span></code></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-Invalidation"><a href="#module-Invalidation" class=