export declare enum Focus {
    First = 0,
    Previous = 1,
    Next = 2,
    Last = 3
}
export declare function getNextFocusByKey(key: string, rtl?: boolean): Focus | null;
/**
 * Logic courtesy of Headless UI
 * https://github.com/tailwindlabs/headlessui
 */
export declare function calculateActiveIndex<TItem>(action: Focus, resolvers: {
    resolveItems(): TItem[];
    resolveActiveIndex(): number | null;
    resolveDisabled(item: TItem): boolean;
}, loop?: boolean): number | null;
export declare function getFocusableElements(el: Element): Array<HTMLElement>;