docs: function() {
              if (!ariaCoreBrowser.supportsPropertyDescriptors()) {
                  ariaUtilsArray.forEach(this._deprecatedProperties, function(property) {
                      var type = property.type;
  
                      if (type == "attribute") {
                          var name = property.name;
                          var prefixedName = "_" + name;
  
                          this[name] = this[prefixedName];
                      }
                  }, this);
              }
          }