import type { PatternRule } from '../../types.js';
/**
 * Italian codice fiscale: sixteen characters whose last one is a check letter.
 * Odd positions (1-based) use a substitution table, even positions their plain
 * alphabet value; the sum modulo 26 gives the final letter.
 */
export declare function codiceFiscaleChecksum(raw: string): boolean;
export declare const codiceFiscaleRule: PatternRule;
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