/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
import type { Config } from './types/config.js';
export type { Config } from './types/config.js';
export type { TransformOutputConfig, RuntimeOutputConfig, } from './types/modes.js';
/**
 * Read a JSON config file from the given path, validate it, and return it. Also
 * adds a "$schema" property if missing. Throws if there was a problem reading,
 * parsing, or validating.
 */
export declare function readConfigFileAndWriteSchema(configPath: string): Config;