import type { PatternRule } from '../../types.js';
/**
 * Polish passport: two series letters, a check digit, then six digits.
 * Weights 7,3,9,1,7,3,1,7,3 across all nine characters, valid when the
 * weighted sum is divisible by 10.
 */
export declare function passportChecksum(raw: string): boolean;
export declare const plPassportRule: PatternRule;
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