ring-class.html">String</a></span>
          </span>
                  </dt>
        <dd class="inherited">
           
                  <div class="features">inherited</div>
</dd>
        <dt id="btoa" class="callable inherited">
          <span class="name"><a href="../dart-html/WorkerGlobalScope/btoa.html">btoa</a></span><span class="signature">(<wbr><span class="parameter" id="btoa-param-btoa"><span class="type-annotation"><a href="../dart-core/String-class.html">String</a></span> <span class="paramete