import { ReactNode, RefObject } from 'react';

export declare const DATA_ATTRIBUTE_INDEX = "keyboard_index";
export interface FocusableElement {
    ref: RefObject<HTMLElement>;
    onClick: (() => void) | undefined;
}
export interface HotkeyIem {
    hotkey: string;
    index: number;
}
export declare const useFlattenedTree: (children: ReactNode, selectedIndex: number, onSelectedIndexChange: (index: number) => void) => {
    flattenedTree: ReactNode[];
    hotkeys: HotkeyIem[];
    itemsRef: import('react').MutableRefObject<HTMLElement[]>;
};