/**
 * This class creates a random but syntactically valid Rfc string.
 */
export default class RfcFaker {
    /**
     * Return an RFC for Persona Moral (12 multibyte chars length) or Persona Fisica (13 multibyte chars length)
     *
     * @example COSC8001137NA, EKU9003173C9
     */
    mexicanRfc(): string;
    /**
     * Return an RFC for Persona Moral (12 multibyte chars length)
     *
     * @example EKU9003173C9
     */
    mexicanRfcMoral(): string;
    /**
     * Return an RFC for Persona Fisica (13 multibyte chars length)
     *
     * @example COSC8001137NA
     */
    mexicanRfcFisica(): string;
    protected privateMakeRfc(lowerBound: number, upperBound: number): string;
}