import type { PatternRule } from '../../types.js';
/**
 * Finnish personal identity code (henkilötunnus): date, a century sign, a
 * three-digit individual number, and a check character indexed by the
 * nine-digit number modulo 31.
 */
export declare function hetuChecksum(raw: string): boolean;
export declare const hetuRule: PatternRule;
//# sourceMappingURL=hetu.d.ts.map