import { GroupedOption, BaseOption } from './types';
declare const checkAtBottom: (element: HTMLDivElement | null) => boolean | undefined;
declare const getItemOffsetTop: (itemEl: HTMLLIElement | null) => number | undefined;
declare const isGroupedOptions: <T extends BaseOption>(options: T[] | GroupedOption<T>[]) => options is GroupedOption<T>[];
declare const mapOptions: <T extends BaseOption>(options: T[] | GroupedOption<T>[]) => GroupedOption<T>[];
declare const optionPredicate: <T extends BaseOption>(query?: string | undefined) => (option: T) => boolean;
declare const filterGroupedOptions: <T extends BaseOption>(predicate: (opt: T) => boolean, groupedOptions: GroupedOption<T>[]) => GroupedOption<T>[];
declare const getAccumulatedIndex: <T extends BaseOption>(options: GroupedOption<T>[], catIndex: number) => number;
export { isGroupedOptions, checkAtBottom, getItemOffsetTop, mapOptions, filterGroupedOptions, optionPredicate, getAccumulatedIndex, };