ction class="desc markdown">
      <p>Starts a chunked conversion.</p>
<p>The returned sink serves as input for the long-running conversion. The
given <code>sink</code> serves as output.</p>
    </section>
    
    <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">Sink&lt;S&gt; startChunkedConversion(Sink&lt;T&gt; sink) {
  throw UnsupportedError(
      &quot;This converter does not support chunked conver