</a></span>
          </span>
                  </dt>
        <dd>
          Returns <code>this</code> as a <a href="dart-convert/ClosableStringSink-class.html">ClosableStringSink</a>. <a href="dart-convert/StringConversionSink/asStringSink.html">[...]</a>
                  
</dd>
        <dt id="asUtf8Sink" class="callable">
          <span class="name"><a href="dart-convert/StringConversionSink/asUtf8Sink.html">asUtf8Sink</a></span><span class="signature">(<wbr><span class="parameter" id="asUtf8Sink-param