        </span>
                  </dt>
        <dd>
          Returns true if this map contains the given <code>key</code>. <a href="dart-collection/MapView/containsKey.html">[...]</a>
                  <div class="features">override</div>
</dd>
        <dt id="containsValue" class="callable">
          <span class="name"><a href="dart-collection/MapView/containsValue.html">containsValue</a></span><span class="signature">(<wbr><span class="parameter" id="containsValue-param-value"><span class="type-annotat