| /** |
| * @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 |
| */ |
| /** Possible versions that can be automatically migrated by `ng update`. */ |
| export declare enum TargetVersion { |
| V6 = "version 6", |
| V7 = "version 7", |
| V8 = "version 8" |
| } |
| /** |
| * Returns all versions that are supported by "ng update". The versions are determined |
| * based on the "TargetVersion" enum. |
| */ |
| export declare function getAllVersionNames(): string[]; |
