docs: function (domElt) {
              this.$Frame.linkToDom.call(this, domElt);
              var getDomElementChild = ariaUtilsDom.getDomElementChild;
              /*
               * FIXME: extend getDomElementChild API to have getDomElementChild(domElt,0,1,1,0) instead
               */
              this._childRootElt = getDomElementChild(getDomElementChild(getDomElementChild(getDomElementChild(domElt, 0), 1), 1), 0);
          }