import type { WorkSpreadsheetContent, WorkSpreadsheetDataValidationItem } from '../work-types';
/** OOXML limits a data-validation formula to 255 characters. */
export declare const MAX_SPREADSHEET_CUSTOM_VALIDATION_FORMULA_LENGTH = 255;
/** Keep synchronous browser validation bounded even for a hostile workbook. */
export declare const MAX_SPREADSHEET_CUSTOM_VALIDATION_REFERENCED_CELLS = 1024;
export interface SpreadsheetCustomValidationResult {
    message?: string;
    supported: boolean;
    valid: boolean;
}
/**
 * Evaluates a local Excel custom-validation formula synchronously.
 *
 * The editor deliberately evaluates against cached cell values. Formula
 * recalculation remains a separate kernel concern; a formula cell without a
 * cached value therefore fails closed instead of silently accepting input.
 */
export declare function evaluateSpreadsheetCustomValidation(content: WorkSpreadsheetContent, sheetId: string, row: number, column: number, item: WorkSpreadsheetDataValidationItem, value: unknown): SpreadsheetCustomValidationResult;