id="addError-param-stackTrace"><span class="type-annotation"><a href="dart-core/StackTrace-class.html">StackTrace</a></span> <span class="parameter-name">stackTrace</span></span> ])
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd>
          Passes the error to the target consumer as an error event. <a href="dart-io/IOSink/addError.html">[...]</a>
                  <div class="features">override</div>
</dd>
        <dt id="addStream" cl