dart-core/bool-class.html">bool</a></span>&gt;</span></span>
          </span>
                  </dt>
        <dd class="inherited">
          Returns whether <code>needle</code> occurs in the elements provided by this stream. <a href="dart-async/Stream/contains.html">[...]</a>
                  <div class="features">inherited</div>
</dd>
        <dt id="distinct" class="callable inherited">
          <span class="name"><a href="dart-async/Stream/distinct.html">distinct</a></span><span class="signature">(<