docs: function () {
              var suggestionContainer = this._textInputField.parentNode;
              var highlightedArray = [];
              for (var i = 0; i < suggestionContainer.children.length - 1; i++) {
                  var suggestionNode = suggestionContainer.children[i];
                  var suggestionNodeClassList = new aria.utils.ClassList(suggestionNode);
                  if (suggestionNodeClassList.contains("highlight")) {
                      highlightedArray.push(i + 1);
                  }
                  suggestionNodeClassList.$dispose();
              }
              return highlightedArray;
          }