    <span class="returntype parameter">&#8594; <a href="../dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../dart-html/PermissionStatus-class.html">PermissionStatus</a></span>&gt;</span></span>
          </span>
                  </dt>
        <dd>
           
                  
</dd>
        <dt id="revoke" class="callable">
          <span class="name"><a href="../dart-html/Permissions/revoke.html">revoke</a></span><span class="signature">(<w