
will be described in greater detail later on in the guides.</p>
<blockquote>
  <p><em>Note: Decorators are still being actively developed in JavaScript, which means
that there may be small changes in the future. The decorators provided by
Ember should remain stable through these changes, but it is recommended that
you exercise caution if using any external decorator libraries which may not
have the same stability guarantees.</em></p>
</blockquote>
</section>
<h3 id="toc_classic-classes">Classic Classes <a 