/**
 * Copyright 2017 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Browser, BrowserPlatform } from './browser-data/browser-data.js';
/**
 * @public
 */
export interface Options {
    /**
     * Determines the path to download browsers to.
     */
    cacheDir: string;
    /**
     * Determines which platform the browser will be suited for.
     *
     * @defaultValue Auto-detected.
     */
    platform?: BrowserPlatform;
    /**
     * Determines which browser to fetch.
     */
    browser: Browser;
    /**
     * Determines which buildId to dowloand. BuildId should uniquely identify
     * binaries and they are used for caching.
     */
    buildId: string;
    /**
     * Provides information about the progress of the download.
     */
    downloadProgressCallback?: (downloadedBytes: number, totalBytes: number) => void;
}
export type InstalledBrowser = {
    path: string;
    browser: Browser;
    buildId: string;
    platform: BrowserPlatform;
};
export declare function fetch(options: Options): Promise<InstalledBrowser>;
export declare function canFetch(options: Options): Promise<boolean>;
//# sourceMappingURL=fetch.d.ts.map