tory resolution is not supported in Dart 2&#39;)</div>
</section>
        
                <section class="desc markdown">
          <p>This returns <code>null</code>, as <code>packages/</code> directories are no longer supported.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">@Deprecated(&#39;packages&#47; directory resolution is not supported in Dart 2&#