import { type RowData, type Table, type TableFeature, type Cell, type CellData, type Header, type Column } from '@tanstack/react-table';
import type { TDataTableFeatures } from '../types/features.types.js';
import type { DataTableDownloadHeaderContext, DataTableDownloadSlotProps } 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 nesting segments for a leaf column, from outermost group to leaf.
 * Falls back to the header id when the column header is a custom renderer or undefined.
 * @internal
 */
export declare function header_getDownloadHeaderPath<TData extends RowData>(header: Header<TDataTableFeatures, TData>): string[];
export declare function header_getDownloadString<TData extends RowData>(header: Header<TDataTableFeatures, TData>): string;
/**
 * Converts a column value to its CSV string representation, with special handling
 * for dates, meter bars, and objects.
 *
 * Takes the value and its column rather than a cell so the caller can read values
 * through column accessors without building a cell object per value.
 * @internal
 */
export declare function getDownloadString<TData extends RowData, TValue extends CellData = CellData>(cellValue: TValue, column: Column<TDataTableFeatures, TData, TValue>): string;
/**
 * Converts a cell's value to its CSV string representation with special handling for dates, meter bars, and objects.
 * @internal
 */
export declare function cell_getDownloadString<TData extends RowData, TValue extends CellData = CellData>(cell: Cell<TDataTableFeatures, TData, TValue>): string;
/**
 * Triggers a CSV download of all table rows, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadAllData<TData extends RowData>(table: Table<TDataTableFeatures, TData>, excludeColumns?: string[], formatDownloadHeader?: (context: DataTableDownloadHeaderContext) => string | undefined, fileName?: string | ((subset: 'all' | 'page' | 'selected') => string), onDownloadEnd?: () => void): void;
/**
 * Triggers a CSV download of the current page's rows, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadPageData<TData extends RowData>(table: Table<TDataTableFeatures, TData>, excludeColumns?: string[], formatDownloadHeader?: (context: DataTableDownloadHeaderContext) => string | undefined, fileName?: string | ((subset: 'all' | 'page' | 'selected') => string), onDownloadEnd?: () => void): void;
/**
 * Triggers a CSV download of the currently selected rows, excluding built-in and sparkline columns.
 * @internal
 */
export declare function table_downloadSelectedData<TData extends RowData>(table: Table<TDataTableFeatures, TData>, excludeColumns?: string[], formatDownloadHeader?: (context: DataTableDownloadHeaderContext) => string | undefined, fileName?: string | ((subset: 'all' | 'page' | 'selected') => string), onDownloadEnd?: () => void): void;
/**
 * Constructs the download feature for the table, including API implementations and prototype assignments.
 * @internal
 */
export declare function constructDownloadDataFeature(): TableFeature;
/**
 * TanStack Table feature that provides CSV download functionality.
 * @internal
 */
export declare const DataTableDownloadDataFeature: TableFeature;
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