nguage-javascript"><span class="token constant">ENV</span> <span class="token operator">=</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">EmberENV</span><span class="token operator">:</span> <span class="token punctuation">{</span>
    <span class="token constant">EXTEND_PROTOTYPES</span><span class="token operator">:</span> <span class="token boolean">false</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span aria-h