/// <reference types="validator" />
import _isCurrency from 'validator/lib/isCurrency';
import { TReferenceProps } from '../../..';
import { IStringProps, TStringValidatorResult } from '../_types';
declare type TParameters = Parameters<typeof _isCurrency>;
export interface IIsCurrencyProps {
    /**
     * `options` is an object which defaults to `{ symbol: '$', require_symbol: false, allow_space_after_symbol: false, symbol_after_digits: false, allow_negatives: true, parens_for_negatives: false, negative_sign_before_digits: false, negative_sign_after_digits: false, allow_negative_sign_placeholder: false, thousands_separator: ',', decimal_separator: '.', allow_decimal: true, require_decimal: false, digits_after_decimal: [2], allow_space_after_digits: false }`.
  
       Note: The array `digits_after_decimal` is filled with the exact number of digits allowed not a range, for example a range 1 to 3 will be given as `[1, 2, 3]`.
     */
    options?: TParameters[1];
}
/**
 * Check if the string is a valid currency amount.
 */
export declare const isCurrency: (props?: TReferenceProps<IIsCurrencyProps> & IStringProps) => TStringValidatorResult;
export {};