import { type RowData, type Table_Internal, type TableFeatures, type TableFeature, type Cell, type CellData, type Header } from '@tanstack/react-table';
import type { DataTableDownloadSlotProps, DownloadDataFeatureConstructors } from './download-types.js';
/**
 * DataTable slot definition for the Download action.
 * Columns may be optionally excluded from downloading by their IDs.
 * @public
 */
export declare function DataTableDownload(props: DataTableDownloadSlotProps): null;
/**
 * Helper function to extract the header string representation for CSV download, including handling of nested headers.
 * @internal
 */
export declare function header_getDownloadString<TFeatures extends TableFeatures, TData extends RowData>(header: Header<TFeatures, TData>): string;
/**
 * Helper function to extract the cell value as a string for CSV download, with special handling for dates, meter bars, and objects.
 * @internal
 */
export declare function cell_getDownloadString<TFeatures extends TableFeatures, TData extends RowData, TValue extends CellData = CellData>(cell: Cell<TFeatures, TData, TValue>): string;
/**
 * Helper function to trigger the download of all table data as CSV, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadAllData<TFeatures extends TableFeatures, TData extends RowData>(table: Table_Internal<TFeatures, TData>, excludeColumns?: string[], onDownloadEnd?: () => void): void;
/**
 * Helper function to trigger the download of the current page's data as CSV, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadPageData<TFeatures extends TableFeatures, TData extends RowData>(table: Table_Internal<TFeatures, TData>, excludeColumns?: string[], onDownloadEnd?: () => void): void;
/**
 * Helper function to trigger the download of the currently selected rows' data as CSV, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadSelectedData<TFeatures extends TableFeatures, TData extends RowData>(table: Table_Internal<TFeatures, TData>, excludeColumns?: string[], onDownloadEnd?: () => void): void;
/**
 * Constructs the column visibility feature for the table,
 * including API implementations and prototype assignments.
 * @internal
 */
export declare function constructDownloadDataFeature(): TableFeature<DownloadDataFeatureConstructors>;
/**
 * Additional feature implementation for downloading data.
 * @internal
 */
export declare const DataTableDownloadDataFeature: TableFeature<DownloadDataFeatureConstructors>;