e>/<code>model</code>/<code>afterModel</code> hooks
don't immediately resolve, a <a href="https://api.emberjs.com/ember/3.14/classes/Route/events/loading?anchor=loading"><code>loading</code></a> event will be fired on that route.</p>
<div class="filename javascript"><div class="ribbon"></div><span>app/routes/user-slow-model.js</span><pre class="language-javascript line-numbers"><code class="javascript language-javascript"><span class="token keyword">import</span> Route <span class="token keyword">from</span