;int,<a href="dart-html/Plugin-class.html">Plugin</a>&gt;</span>
                  </span>
              </dt>
              <dd>
                  <div>
                    <span class="is-inherited">inherited</span>
                  </div>
                  Returns an unmodifiable <code class="prettyprint lang-dart">Map</code> view of <code class="prettyprint lang-dart">this</code>.
              </dd>
              <dt id="clear" class="callable">
                  <span class="name ">clear</span><span 