ates a new <code>Uri</code> object by parsing a URI string.</p>
<p>If <code>start</code> and <code>end</code> are provided, only the substring from <code>start</code>
to <code>end</code> is parsed as a URI.</p>
<p>Returns <code>null</code> if the string is not valid as a URI or URI reference.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">static Uri tryParse(String uri, [int