import { BasePlugin } from '../base';
import DataManager from './data/dataManager';
import CollapsingUI from './ui/collapsing';
import HeadersUI from './ui/headers';
import ContextMenuUI from './ui/contextMenu';
import { TrimmingMap } from '../../translations';
import RowMoveController from './utils/rowMoveController';
export declare const PLUGIN_KEY = "nestedRows";
export declare const PLUGIN_PRIORITY = 300;
/**
 * @plugin NestedRows
 * @class NestedRows
 *
 * @description
 * Plugin responsible for displaying and operating on data sources with nested structures.
 */
export declare class NestedRows extends BasePlugin {
    #private;
    /**
     * Returns the plugin key used to identify and access this plugin within Handsontable.
     */
    static get PLUGIN_KEY(): string;
    /**
     * Returns the priority value that determines the plugin's initialization order relative to other plugins.
     */
    static get PLUGIN_PRIORITY(): number;
    /**
     * Reference to the DataManager instance.
     *
     * @private
     * @type {object}
     */
    dataManager: DataManager | null;
    /**
     * Reference to the HeadersUI instance.
     *
     * @private
     * @type {object}
     */
    headersUI: HeadersUI | null;
    /**
     * Reference to the CollapsingUI instance.
     *
     * @private
     * @type {object}
     */
    collapsingUI: CollapsingUI | null;
    /**
     * Reference to the ContextMenuUI instance.
     *
     * @private
     * @type {object}
     */
    contextMenuUI: ContextMenuUI | null;
    /**
     * Reference to the RowMoveController instance.
     *
     * @private
     * @type {object}
     */
    rowMoveController: RowMoveController | null;
    /**
     * Map of skipped rows by plugin.
     *
     * @private
     * @type {null|TrimmingMap}
     */
    collapsedRowsMap: TrimmingMap | null;
    /**
     * Checks if the plugin is enabled in the handsontable settings. This method is executed in {@link Hooks#beforeInit}
     * hook and if it returns `true` then the {@link NestedRows#enablePlugin} method is called.
     *
     * @returns {boolean}
     */
    isEnabled(): boolean;
    /**
     * Enables the plugin functionality for this Handsontable instance.
     */
    enablePlugin(): void;
    /**
     * Disables the plugin functionality for this Handsontable instance.
     */
    disablePlugin(): void;
    /**
     * Updates the plugin's state.
     *
     * This method is executed when [`updateSettings()`](@/api/core.md#updatesettings) is invoked with any of the following configuration options:
     *  - [`nestedRows`](@/api/options.md#nestedrows)
     */
    updatePlugin(): void;
    /**
     * Register shortcuts responsible for toggling collapsible columns.
     *
     * @private
     */
    registerShortcuts(): void;
    /**
     * Unregister shortcuts responsible for toggling collapsible columns.
     *
     * @private
     */
    unregisterShortcuts(): void;
    /**
     * Enable the modify hook skipping flag - allows retrieving the data from Handsontable without this plugin's
     * modifications.
     *
     * @private
     */
    disableCoreAPIModifiers(): void;
    /**
     * Disable the modify hook skipping flag.
     *
     * @private
     */
    enableCoreAPIModifiers(): void;
    /**
     * The modifyRowData hook callback.
     *
     * @private
     * @param {number} row Visual row index.
     * @returns {boolean}
     */
    onModifyRowData(row: number): unknown;
    /**
     * Modify the source data length to match the length of the nested structure.
     *
     * @private
     * @returns {number}
     */
    onModifySourceLength(): number | undefined;
    /**
     * @private
     * @param {number} index The index where the data was spliced.
     * @param {number} amount An amount of items to remove.
     * @param {object} element An element to add.
     * @returns {boolean}
     */
    onBeforeDataSplice(index: number, amount: number, element: Record<string, unknown>): boolean;
    /**
     * Destroys the plugin instance.
     */
    destroy(): void;
}