import { StateCode } from '../_internals/constants/states';
/**
 * Generates a valid random CPF (Cadastro de Pessoas Físicas).
 *
 * @param {StateCode} state - Optional. The Brazilian state code to generate a CPF for.
 * @returns {string} A valid 11-digit CPF string without formatting.
 *
 * @example
 * ```typescript
 * generateCpf(); // "12345678909"
 * generateCpf("SP"); // "12345678909" (with SP state code in 9th digit)
 * ```
 */
export declare const generateCpf: (state?: StateCode) => string;