./dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../dart-core/Map-class.html">Map</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="../dart-core/String-class.html">String</a></span>, <span class="type-parameter">dynamic</span>&gt;</span></span>&gt;</span></span>         
        </dt>
        <dd>
           
                  <div class="features">read-only</div>
</dd>
        <dt id="bubbles" class="property inherited"