declare const SELECTOR_OPTION = "[role=\"option\"]";
declare const SELECTOR_SELECTED = "[aria-selected=\"true\"]";
declare const SELECTOR_DISABLED = "[aria-disabled=\"true\"]";
declare const FOCUSED_CLASS = "focused";
declare function getOptionElements(listboxElement: HTMLUListElement, selector?: string): HTMLLIElement[];
declare function getFocusedOptionElement(listboxElement: HTMLUListElement, selector?: string): HTMLLIElement | null;
declare function getSelectedOptionElement(listboxElement: HTMLUListElement, selector?: string): HTMLLIElement | null;
declare function removeFocusClassOfOption(option: HTMLElement | null | undefined): void;
declare function addFocusClassToOption(option: HTMLElement | null | undefined): void;
declare function setSelectedOnOption(option: HTMLElement | null | undefined, selected: boolean): void;
/**
 * @param {HTMLUListElement} listboxElement
 * @param {'first' | 'last' | 'prev' | 'next'} direction
 * @returns {string | undefined} id of newly focused option if any.
 */
declare function move(listboxElement: HTMLUListElement, direction: 'first' | 'last' | 'prev' | 'next'): string | undefined;
declare function findOptionByChar(listboxElement: HTMLUListElement, char: string): void;
export { SELECTOR_OPTION, SELECTOR_SELECTED, SELECTOR_DISABLED, FOCUSED_CLASS, getOptionElements, getFocusedOptionElement, getSelectedOptionElement, removeFocusClassOfOption, addFocusClassToOption, setSelectedOnOption, move, findOptionByChar, };