span> <span class="parameter-name">error</span>, </span> <span class="parameter" id="errorCallback-param-stackTrace"><span class="type-annotation"><a href="dart-core/StackTrace-class.html">StackTrace</a></span> <span class="parameter-name">stackTrace</span></span>)
      
    </section>
    <section class="desc markdown">
      <p>Intercepts errors when added programmatically to a <code>Future</code> or <code>Stream</code>.</p>
<p>When calling <a href="dart-async/Completer/completeError.html">Completer.comp