/// <reference types="validator" />
import _isFloat from 'validator/lib/isFloat';
import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
declare type TParameters = Parameters<typeof _isFloat>;
export interface IIsFloatProps {
    /**
     * Options is an object which can contain the keys `min`, `max`, `gt`, and/or `lt` to validate the float is within boundaries (e.g. `{ min: 7.22, max: 9.55 }`) it also has locale as an option.
  
       Min and max are equivalent to 'greater or equal' and 'less or equal', respectively while gt and lt are their strict counterparts.
  
       `locale` determine the decimal separator and is one of [`ar`, `ar-AE`, `ar-BH`, `ar-DZ`, `ar-EG`, `ar-IQ`, `ar-JO`, `ar-KW`, `ar-LB`, `ar-LY`, `ar-MA`, `ar-QA`, `ar-QM`, `ar-SA`, `ar-SD`, `ar-SY`, `ar-TN`, `ar-YE`, `bg-BG`, `cs-CZ`, `da-DK`, `de-DE`, `en-AU`, `en-GB`, `en-HK`, `en-IN`, `en-NZ`, `en-US`, `en-ZA`, `en-ZM`, `es-ES`, `fr-CA`, `fr-FR`, `hu-HU`, `it-IT`, `nb-NO`, `nl-NL`, `nn-NO`, `pl-PL`, `pt-BR`, `pt-PT`, `ru-RU`, `sl-SI`, `sr-RS`, `sr-RS@latin`, `sv-SE`, `tr-TR`, `uk-UA`]
     */
    options?: TParameters[1];
}
/**
 * Check if the string is a float.
 */
export declare const isFloat: (props?: TReferenceProps<IIsFloatProps> & IStringProps) => TStringValidatorResult;
export {};