import type { TransformedToken } from 'style-dictionary/types';
/**
 * @description Checks if token is source token
 * @param arguments [TransformedToken](https://github.com/amzn/style-dictionary/blob/main/types/TransformedToken.d.ts)
 * @returns boolean
 */
export declare const isSource: (token: TransformedToken) => boolean;