ex]
            );
          }

          let newEnabledIndex;

          if (absolute) {
            const targetOpt = allOpts[step];
            if (
              targetOpt &&
              targetOpt.getAttribute("aria-disabled") !== "true"
            ) {
              this.setActiveOptionByIndex(step);
            }
            return;
          }

          if (step === "start") {
            newEnabledIndex = 0;
          } else if (step === "end") {
            newEnabledIndex = enabledOpts.length -