tor</span> = <span class="default-value">""</span></span> ])
            <span 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/String-class.html">String</a></span>&gt;</span></span>
          </span>
                  </dt>
        <dd class="inherited">
          Combines the string representation of elements into a single string. <a href="dart-async/Stream/join.html">[...]</a>
           