l =
            this._handleWindowResizeOrScroll.bind(this);

          this.searchString = "";
          this.searchClearTimer = null;
          this._initialPositioningComplete = false;

          this.getAllOptions = () => [];
          this.getEnabledOptions = () => [];

          this.options = () => [];
          this._triggerIdToAttach = null;
        }

        connectedCallback() {
          this.role = "listbox";
          this.tabIndex = -1;
          this.removeAttribute("aria-activedescendant")