n">(</span><span class="parameters "><span class="parameter ">visibilityData<span class="token operator">: </span><a href="observe.html">D</a></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="index.html">ShuttleVisibilityObservable</a></div><p class="paragraph">Observes visibility data updates.</p><h4 class="">Parameters</h4><div class="table"><div class="table-row" data-filterable-current=":framework:dokkaHtml/release" data-filterable-set=":framework:dokka