a href="#C10_L7" id=C10_L7></a><a href="#C10_L8" id=C10_L8></a><a href="#C10_L9" id=C10_L9></a><a href="#C10_L10" id=C10_L10></a><a href="#C10_L11" id=C10_L11></a><a href="#C10_L12" id=C10_L12></a><a href="#C10_L13" id=C10_L13></a><a href="#C10_L14" id=C10_L14></a></span></code></pre></div>
<p>In some cases, your dynamic headers may require data from some
object outside of Ember's observer system (for example
<code>document.cookie</code>). You can use the
<a href="https://api.emberjs.com/ember/3.13/classes/