/**
 * @license
 * Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
 * This code may only be used under the BSD style license found at
 * http://polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at
 * http://polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at
 * http://polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also
 * subject to an additional IP rights grant found at
 * http://polymer.github.io/PATENTS.txt
 */
import { BrowserCapability } from 'browser-capabilities';
import { JsCompileTarget } from 'polymer-project-config';
export declare function getCompileTarget(capabilities: Set<BrowserCapability>, compile?: 'always' | 'never' | 'auto'): JsCompileTarget;