r-name">random</span></span> ])
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd class="inherited">
          This operation is not supported by an unmodifiable list.
                  <div class="features">inherited</div>
</dd>
        <dt id="singleWhere" class="callable inherited">
          <span class="name"><a href="dart-collection/ListMixin/singleWhere.html">singleWhere</a></span><span class="signature">(<wbr><span class="paramet