import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
export interface IIsHexadecimalProps {
}
/**
 * Check if the string is a hexadecimal number.
 */
export declare const isHexadecimal: (props?: TReferenceProps<IIsHexadecimalProps> & IStringProps) => TStringValidatorResult;