import { ColumnCellKind } from './column-cell-kind.js';
import './table-properties-types.js';

/** Matches DataTable's empty-group sentinel. */
declare const GROUP_ROW_EMPTY_KEY = "\u2014";
/**
 * Stable string key for grouping rows by a column value. Avoids `[object Object]`
 * when the field holds arrays (people-rail, tags) or plain objects.
 */
declare function groupRowKey(value: unknown, cellKind?: ColumnCellKind): string;
/** Screen-reader / count-badge label for non-chip group headings. */
declare function groupRowAccessibilityLabel(value: unknown, cellKind: ColumnCellKind | undefined, fallbackKey: string): string;

export { GROUP_ROW_EMPTY_KEY, groupRowAccessibilityLabel, groupRowKey };