etCurrentPosition-param-maximumAge"><span class="type-annotation">Duration</span> <span class="parameter-name">maximumAge</span></span>})
                      &#8594;
                      <span class="returntype">Future&lt;<a href="dart-html/Geoposition-class.html">Geoposition</a>&gt;</span>
                  </span>
              </dt>
              <dd>
                  
              </dd>
              <dt id="watchPosition" class="callable">
                  <a href="polymer_app_layout.behaviors/Ge