eBuilder.pushColorFilter</a>.</p>
<p><code>oldLayer</code> parameter in <a href="../dart-ui/SceneBuilder-class.html">SceneBuilder</a> methods only accepts objects created
by the engine. <a href="../dart-ui/SceneBuilder-class.html">SceneBuilder</a> will throw an <a href="../dart-core/AssertionError-class.html">AssertionError</a> if you pass it
a custom implementation of this class.</p>
    </section>
    


    <section class="summary offset-anchor inherited" id="instance-properties">
      <h2>Properties</h