docs: function (charCode, keyCode, currentText, caretPosStart, caretPosEnd) {
              var report;
              if (ariaDomEvent.KC_ARROW_DOWN === keyCode) {
                  report = this.toggleDropdown(currentText, false);
                  report.cancelKeyStroke = true;
              } else {
                  report = new ariaWidgetsControllersReportsDropDownControllerReport();
                  report.ok = true;
                  report.cancelKeyStroke = false;
                  report.displayDropDown = false;
              }
              return report;
          }