span>env <span class="token operator">===</span> <span class="token string">'development'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token comment">// Only import when in development mode</span>
  app<span class="token punctuation">.</span><span class="token function">import</span><span class="token punctuation">(</span><span class="token string">'vendor/ember-renderspeed/ember-renderspeed.js'</span><span class="token punctuation">)</span><span cla