span class="signature">(<wbr>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd>
          Removes all pairs from the map. <a href="dart-collection/MapMixin/clear.html">[...]</a>
                  <div class="features">override</div>
</dd>
        <dt id="containsKey" class="callable">
          <span class="name"><a href="dart-collection/MapMixin/containsKey.html">containsKey</a></span><span class="signature">(<wbr><span class="paramet