ameter-name">mode</span>: <span class="default-value">FileMode.write</span>, </span> <span class="parameter" id="openWrite-param-encoding"><span class="type-annotation"><a href="dart-convert/Encoding-class.html">Encoding</a></span> <span class="parameter-name">encoding</span>: <span class="default-value">utf8</span></span> })
            <span class="returntype parameter">&#8594; <a href="dart-io/IOSink-class.html">IOSink</a></span>
          </span>
                  </dt>
        <dd>
          Creates a 