dart-collection/MapMixin-class.html">this</a>.
                  <div class="features">read-only, override</div>
</dd>
        <dt id="isEmpty" class="property">
          <span class="name"><a href="dart-collection/MapMixin/isEmpty.html">isEmpty</a></span>
          <span class="signature">&#8594; <a href="dart-core/bool-class.html">bool</a></span>         
        </dt>
        <dd>
          Returns true if there is no key/value pair in the map.
                  <div class="features">read-only, override