import { Context } from '../context';

export declare function getFilterHiddenRowsUnionFromFilterMap(filter: Context['filter'] | null | undefined): Record<string, number>;
export declare function getFilterHiddenRowsUnion(ctx: Context): Record<string, number>;
/**
 * Migration/initialization helper:
 * - If `rowhidden_manual` exists, keep it.
 * - Otherwise, derive it from existing `rowhidden` by subtracting active filter-hidden rows
 *   (if a filter is active), else treat all `rowhidden` as manual.
 */
export declare function ensureManualHiddenInitialized(ctx: Context): void;
export declare function rebuildRowHiddenUnion(ctx: Context): void;