import type { HookCallback } from '../../../core/hooks/bucket';
import type { HotInstance } from '../../../core/types';
import type { default as CellRange } from '../../../3rdparty/walkontable/src/cell/range';
import { BaseAction } from './_base';
/**
 * Action that tracks changes in merged cells.
 *
 * @class MergeCellsAction
 * @private
 */
export declare class MergeCellsAction extends BaseAction {
    /**
     * @param {CellRange} cellRange The merged cell range.
     */
    cellRange: CellRange;
    /**
     * Stores the cell data captured before the merge, used to restore values when the action is undone.
     */
    data: unknown;
    /**
     * Initializes the merge cells action with the affected cell range and the original cell data.
     */
    constructor({ data, cellRange }: {
        data: unknown;
        cellRange: CellRange;
    });
    /**
     * Registers the hooks needed to capture merge and unmerge events so they can be tracked for undo and redo.
     */
    static startRegisteringEvents(hot: HotInstance, undoRedoPlugin: unknown): void;
    /**
     * @param {Core} hot The Handsontable instance.
     * @param {function(): void} undoneCallback The callback to be called after the action is undone.
     */
    undo(hot: HotInstance, undoneCallback: HookCallback): void;
    /**
     * @param {Core} hot The Handsontable instance.
     * @param {function(): void} redoneCallback The callback to be called after the action is redone.
     */
    redo(hot: HotInstance, redoneCallback: HookCallback): void;
}