     </dt>
            <dd>
                <div class="is-const">
                    const
                </div>
                
            </dd>
            <dt id="readyStateChangeEvent" class="constant">
                <span class="top-level-variable-type"><a href="polymer_app_layout/EventStreamProvider-class.html">EventStreamProvider</a>&lt;<a href="dart-html/ProgressEvent-class.html">ProgressEvent</a>&gt;</span>
                <span class="name "><a href="polymer_app_layout/HttpRequest/readyStat