mber<span class="token punctuation">.</span>Component<span class="token punctuation">.</span><span class="token function">extend</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token literal-property property">userName</span><span class="token operator">:</span> Ember<span class="token punctuation">.</span>computed<span class="token punctuation">.</span><span class="token function">oneWay</span><span class="token punctuation">(</span><span class="token s