import type { FormatFn } from 'style-dictionary/types';
/**
 * @description Converts `StyleDictionary.dictionary.tokens` to css with @custom-media
 * @param arguments [FormatterArguments](https://github.com/amzn/style-dictionary/blob/main/types/Format.d.ts)
 * @returns formatted `string`
 */
export declare const cssCustomMedia: FormatFn;