| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| import { Tree } from '@angular-devkit/schematics'; |
| /** Adds a package to the package.json in the given host tree. */ |
| export declare function addPackageToPackageJson(host: Tree, pkg: string, version: string): Tree; |
| /** Gets the version of the specified package by looking at the package.json in the given tree. */ |
| export declare function getPackageVersionFromPackageJson(tree: Tree, name: string): string | null; |
