import type { HotInstance } from '../../core/types';
/**
 * @typedef {object} FocusDetector
 * @property {function(): void} activate Activates the focus detector.
 * @property {function(): void} deactivate Deactivates the focus detector.
 * @property {function(): void} destroy Destroys the focus detector.
 */
/**
 * Installs a focus detector module. The module appends two input elements into the DOM side by side.
 * When the first input is focused, then it means that a user entered to the component using the TAB key
 * from the element above. When the second input is focused, a user enters to the component from
 * the element below the table.
 *
 * @param {Handsontable} hot The Handsontable instance.
 * @param {HTMLElement} wrapperElement The wrapper element to install the focus detector into.
 * @returns {FocusDetector}
 */
export declare function installFocusDetector(hot: HotInstance, wrapperElement: HTMLElement): {
    /**
     * Activates the detector by resetting the tabIndex of the input elements.
     */
    activate(): void;
    /**
     * Deactivates the detector by setting tabIndex to -1.
     */
    deactivate(): void;
    /**
     * Destroys the focus detector.
     */
    destroy(): void;
};