r-name">btoa</span></span><wbr>)
            <span class="returntype parameter">&#8594; <a href="../dart-core/String-class.html">String</a></span>
          </span>
                  </dt>
        <dd class="inherited">
           
                  <div class="features">inherited</div>
</dd>
        <dt id="dispatchEvent" class="callable inherited">
          <span class="name"><a href="../dart-html/EventTarget/dispatchEvent.html">dispatchEvent</a></span><span class="signature">(<wbr><span class="parameter