o define a new Ember <em>class</em>, call the <a href="https://api.emberjs.com/ember/3.2/classes/@ember%2Fobject/methods/extend?anchor=extend"><code>extend()</code></a> method on
<a href="https://api.emberjs.com/ember/3.2/modules/@ember%2Fobject"><code>EmberObject</code></a>:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript"><span class="token keyword">import</span> EmberObject <span class="token keyword">from</span> <span class="token string">'@ember/object'</sp