o define Ember feature flags (see the <a href="./feature-flags/">Feature Flags guide</a>) to be enabled at runtime.</li>
<li><code>APP</code> can be used to pass flags or options to the app's <code>Application</code> instance.</li>
<li><code>environment</code> by default contains which of the build environments was selected at build time (<code>development</code>, <code>test</code>, or <code>production</code>).</li>
</ul>
<p>The <code>ENV</code> object is defined at build time, but you can access the <code>