/**
 * Pattern to match formatted CNPJ (AA.AAA.AAA/AAAA-DV or 12 alphanumeric + 2 digits).
 */
export declare const CNPJ_PATTERN: RegExp;
/**
 * Check if value is a valid CNPJ (base 12 alphanumeric + 2 numeric check digits).
 * @example ```js
 * isCNPJ('41142260000189')
 * //=> true
 *
 * isCNPJ('45.723.174/0001-10')
 * //=> true
 *
 * isCNPJ('411407182')
 * //=> false
 *
 * isCNPJ('11.111.111/1111-11')
 * //=> false
 * ```
 * @param value - A text containing a CNPJ.
 */
declare const isCNPJ: (value: string) => boolean;
export default isCNPJ;