re/Object-class.html">Object</a></span> <span class="parameter-name">element</span></span>)
    </section>
    <section class="desc markdown">
      <p>This operation is not supported by an unmodifiable list.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span> </h2>
      <pre class="language-dart"><code class="language-dart">bool remove(Object element) {
  throw new UnsupportedError(&quot;Cannot remove from an unmodifiable list&quot;);
}</code