export declare const RRN_LENGTHS: {
    readonly birth: 6;
    readonly gender: 1;
    readonly security: 6;
    readonly total: 13;
};
export declare function sanitizeRRN(input: string | undefined): string;
export declare function splitRRN(value: string | undefined): {
    birth: string;
    gender: string;
    security: string;
};
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