docs: function () {
              if (this.__style && this.__outlinedElement) {
                  // restore the previous outline
                  if (ariaCoreBrowser.isIE8) {
                      this.__outlinedElement.style.cssText = this.__previousStyle;
                  } else {
                      this.__outlinedElement.style.outline = this.__previousStyle;
                  }
                  this.__outlinedElement = null;
                  this.__previousStyle = null;
              }
              this.__focusedElement = null;
          }