import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
export interface IIsISO31661Alpha2Props {
}
/**
 * Check if the string is a valid [ISO 3166-1 alpha-2](https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2) officially assigned country code.
 */
export declare const isISO31661Alpha2: (props?: TReferenceProps<IIsISO31661Alpha2Props> & IStringProps) => TStringValidatorResult;