import { r as NitIssuer, s as NitTipo, t as NitValidationResult, F as FormatResult } from './validation-result-D4Wrxl7j.js';
export { D as DocumentFormat, q as Nit, V as ValidationErrorCode } from './validation-result-D4Wrxl7j.js';

/**
 * CNIS issuer / tipo metadata — heuristic when caller context is unknown.
 * Checksum validation is authoritative (RV_03); issuer inference is not a CNIS lookup.
 */

type NitMetadataOptions = {
    issuer?: NitIssuer;
    tipo?: NitTipo;
};
declare function inferNitIssuer(stripped: string): NitIssuer;
declare function inferNitTipo(stripped: string): NitTipo;
declare function resolveNitMetadata(stripped: string, options?: NitMetadataOptions): {
    issuer: NitIssuer;
    tipo: NitTipo;
};

/**
 * CNIS / NIT — modulo 11 (same family as PIS/PASEP per RV_03).
 * @see https://www.gov.br/previdencia/pt-br/outros/imagens/2015/07/rgrva_RegrasValidacao.pdf — RV_03
 */
declare const CNIS_DV_WEIGHTS: readonly [3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
declare const CNIS_LENGTH = 11;
declare const CNIS_BASE_LENGTH = 10;
declare const CNIS_MASK_PATTERN: RegExp;
/** SIPREV RV_03 — shared checksum rules for PIS/PASEP/NIT. */
declare const CNIS_OFFICIAL_VALIDATION_URL = "https://www.gov.br/previdencia/pt-br/outros/imagens/2015/07/rgrva_RegrasValidacao.pdf";
/** INSS — NIT enrollment (individual contributors). */
declare const CNIS_INSS_NIT_SERVICE_URL = "https://www.gov.br/pt-br/servicos/obter-numero-de-inscricao-no-inss-nit";
/** Golden — Caixa PIS series (UC-006 cross-check). */
declare const CNIS_GOLDEN_CAIXA_PIS = "10027230888";
declare const CNIS_GOLDEN_CAIXA_PIS_MASKED = "100.27230.88-8";
/** Golden — INSS NIT series (leading zero, DV per RV_03). */
declare const CNIS_GOLDEN_INSS_NIT = "01234567897";
declare const CNIS_GOLDEN_INSS_NIT_MASKED = "012.34567.89-7";

type ValidateNitOptions = NitMetadataOptions;
declare function isValidNit(input: string, options?: ValidateNitOptions): boolean;
declare function validateNit(input: string, options?: ValidateNitOptions): NitValidationResult;

/**
 * Strip NIT mask — digits only (same mask family as PIS/PASEP per RV_03).
 */
declare function stripNit(input: string): string;

declare function formatNit(input: string): FormatResult;

export { CNIS_BASE_LENGTH, CNIS_DV_WEIGHTS, CNIS_GOLDEN_CAIXA_PIS, CNIS_GOLDEN_CAIXA_PIS_MASKED, CNIS_GOLDEN_INSS_NIT, CNIS_GOLDEN_INSS_NIT_MASKED, CNIS_INSS_NIT_SERVICE_URL, CNIS_LENGTH, CNIS_MASK_PATTERN, CNIS_OFFICIAL_VALIDATION_URL, FormatResult, NitIssuer, type NitMetadataOptions, NitTipo, NitValidationResult, type ValidateNitOptions, formatNit, inferNitIssuer, inferNitTipo, isValidNit, resolveNitMetadata, stripNit, validateNit };