8594; <a href="dart-core/bool-class.html">bool</a></span>
          </span>
        </dt>
        <dd class="inherited">
          Returns true if this map contains the given <code>key</code>. <a href="dart-core/Map/containsKey.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="containsValue" class="callable inherited">
          <span class="name"><a href="dart-core/Map/containsValue.html">containsValue</a></span><span class="signature">(<wbr><span class="parameter" id="c