/**
 * Generates a valid CNPJ (Cadastro Nacional da Pessoa Jurídica) number.
 * @param [params]         - Options for CNPJ generation.
 * @param [params.format] - If true, the generated CNPJ will be formatted (e.g., 00.000.000/0000-00).
 * @param [params.alphanumeric] - If true, will generated an alphanumeric CNPJ.
 * @returns                 The generated CNPJ number, optionally formatted.
 */
export declare const generate: ({ format, alphanumeric, }?: {
    format?: boolean;
    alphanumeric?: boolean;
}) => string;