import { KeyboardFocusedId } from "../types.d";
/**
 * This hook will toggle the keyboard mode after any keydown event. It will also ensure
 * to remove the event listener on cleanup or if it is already in keyboard mode.
 *
 * This should probably just be used fro the `useKeyboardTrackerState` hook.
 *
 * @param isKeyboardMode Boolean if the app is already in keyboard mode
 * @param enable A function to call to enable the keyboard mode. This should normally
 * be the enable function from the `useKeyboardFocusState` hook.
 */
export declare function useKeyboardTrackerEnabler(isKeyboardMode: boolean, enable: () => void): void;
/**
 * This hook will toggle the keyboard mode off after any mousedown event. It will also
 * ensure to remove the event listener on clean or if the app is already not in keyboard
 * mode.
 *
 * This should probably just be used fro the `useKeyboardTrackerState` hook.
 *
 * @param isKeyboardMode Boolean if the app is in keyboard mode.
 * @param disable A function to call to disable the keyboard mode. This should normally
 * be the disable function from the `useKeyboardFocusState` hook.
 */
export declare function useKeyboardTrackerDisabler(isKeyboardMode: boolean, disable: () => void): void;
/**
 * This hook is used to track window blur events to hide the focus behavior. It is
 * possible for the user to tab out of the page or use a shortcut to focus the url
 * of a page, and the keyboard focus state should be hidden for these cases. The
 * app will still be set in keyboard mode so that when the user Shift+Tabs back
 * or any other key combination to focus the page again, the focus behavior will
 * be shown.
 *
 * This should probably just be used fro the `useKeyboardTrackerState` hook.
 *
 * @param isKeyboardMode Boolean if the app is in keyboard mode.
 * @param setFocusedId A function to call to set the keyboard focused id to `null`.
 * This should normally be the setFocusedId function from the `useKeyboardFocusState`
 * hook.
 */
export declare function useKeyboardWindowBlurTracker(isKeyboardMode: boolean, setFocusedId: (focusedId: KeyboardFocusedId) => void): void;
/**
 * This is the "default" keyboard tracker behavior that will update the focused id after
 * tab, enter, or spacebar presses as needed. The enter and spacebar presses are included
 * since there are times where a user might click something with a muouse, but then try
 * to use the keyboard there-after.
 *
 * This should probably just be used fro the `useKeyboardTrackerState` hook.
 *
 * @param focusedId The current focused id in the page
 * @param setFocusedId A function to call to set the keyboard focused id to `null`.
 * This should normally be the setFocusedId function from the `useKeyboardFocusState`
 * hook.
 * @param isKeyboardMode Boolean if the app is already in keyboard mode
 */
export declare function useKeyboardDefaultTracker(focusedId: KeyboardFocusedId, setFocusedId: (focusedId: KeyboardFocusedId) => void, isKeyboardMode: boolean): void;
/**
 * This is the main keyboard tracker state hook that uses all the different hooks to
 * enable/disable keyboard mode as well as tracking the current focused id in the page.
 *
 * @param defaultFocusedId The default focused element id. This should probably be null,
 * the empty string, or omitted in 99% of the cases.
 * @param defaultKeyboardMode Boolean if the app is starting in keyboard mode. If this
 * is omitted, it will default to `true` if the `defaultFocusedId` is truthy.
 * @return a memoized keyboard tracker state.
 */
export default function useKeyboardTrackerState(defaultFocusedId?: KeyboardFocusedId, defaultKeyboardMode?: boolean): {
    focusedId: string | null;
    isKeyboardMode: boolean;
    setFocusedId: (focusedId: string | null) => void;
};