-allowMalformed"><span class="type-annotation"><a href="dart-core/bool-class.html">bool</a></span> <span class="parameter-name">allowMalformed</span></span>)
            <span class="returntype parameter">&#8594; <a href="dart-convert/ByteConversionSink-class.html">ByteConversionSink</a></span>
          </span>
                  </dt>
        <dd>
          Returns <code>this</code> as a sink that accepts UTF-8 input. <a href="dart-convert/StringConversionSink/asUtf8Sink.html">[...]</a>
                  
