/**
* @license
* Copyright (c) 2017 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 File = require('vinyl');
import { AsyncTransformStream } from './streams';
import { LocalFsPath } from './path-transformers';
/**
* Find a `` tag in the specified file and if found, update its `href`
* with the given new value.
*/
export declare class BaseTagUpdater extends AsyncTransformStream {
private filePath;
private newHref;
constructor(filePath: LocalFsPath, newHref: string);
protected _transformIter(files: AsyncIterable): AsyncIterable;
}