 class="parameter" id="send-param-data"><span class="parameter-name">data</span></span>])
                      &#8594;
                      <span class="returntype">void</span>
                  </span>
              </dt>
              <dd>
                  Send the request with any given <code class="prettyprint lang-dart">data</code>.
              </dd>
              <dt id="setRequestHeader" class="callable">
                  <a href="polymer_app_layout/HttpRequest/setRequestHeader.html"><span clas