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">set length(int newLength) {
  throw new UnsupportedError(
      &quot;Cannot change the length of an unmodifiable list&quot;);
}</code></pre>
        </section>
</section>
          </div> <!-- /.main-content -->

  <div id="dartdoc-sidebar-right" clas