/**
 * Node.js doesn't support JSON imports yet, so this is a simple
 * function that reads a JSON file from disk and returns the parsed
 * content.
 *
 * @param {string} url Path to import json from
 * @param {boolean} useCwd Set to true to import the path relative to the current working directory
 * @returns JSON content
 */
export declare function importJson(url: string | URL, useCwd?: boolean): Promise<any>;