import _isURL from 'validator/lib/isURL';
import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
declare type TParameters = Parameters<typeof _isURL>;
export interface IIsURLProps {
    options?: TParameters[1];
}
/**
 * Check if the string is an URL.
 */
export declare const isURL: (props?: TReferenceProps<IIsURLProps> & IStringProps) => TStringValidatorResult;
export {};