span>
                  </dt>
        <dd class="inherited">
          Returns a new set which contains all the elements of this set and <code>other</code>. <a href="dart-core/Set/union.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="where" class="callable inherited">
          <span class="name"><a href="dart-core/Iterable/where.html">where</a></span><span class="signature">(<wbr><span class="parameter" id="where-param-test"><span class="type-annotation"><a hre