import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
export interface IIsHSLProps {
}
/**
 * Check if the string is an HSL (hue, saturation, lightness, optional alpha) color based on CSS Colors Level 4 specification.
 * Comma-separated format supported. Space-separated format supported with the exception of a few edge cases (ex: hsl(200grad+.1%62%/1)).
 */
export declare const isHSL: (props?: TReferenceProps<IIsHSLProps> & IStringProps) => TStringValidatorResult;