docs: function (event, delegateId, wrapTarget, container) {
              // Fire the event only if we move to an element outside the container
              if (aria.utils.Dom.isAncestor(event.relatedTarget, container) === false) {
                  var eventWrapper = this.__wrapEvent(event, wrapTarget);
                  eventWrapper.type = event.type == "mouseover" ? "mouseenter" : "mouseleave";
                  eventWrapper.setTarget(container);
                  return this.directCall(eventWrapper, delegateId, wrapTarget, container);
              }
          }