class="returntype parameter">&#8594; <a href="dart-async/Future-class.html">Future</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="dart-core/bool-class.html">bool</a></span>&gt;</span></span>
          </span>
                  </dt>
        <dd>
          Wait for the next stream value to be available. <a href="dart-async/StreamIterator/moveNext.html">[...]</a>
                  
</dd>
        <dt id="noSuchMethod" class="callable inherited">
          <span class="name"><a href="