      <code>
                    <a name="/s:13XestiMonitors14HeadingMonitorC07cleanupD0yyF"></a>
                    <a name="//apple_ref/swift/Method/cleanupMonitor()" class="dashAnchor"></a>
                    <a class="token" href="#/s:13XestiMonitors14HeadingMonitorC07cleanupD0yyF">cleanupMonitor()</a>
                    </code>
                  </div>
                  <div class="height-container">
                    <div class="pointer-container"></div>
                    <section class="sectio