| /** |
| * @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 |
| */ |
| /// <amd-module name="@angular/core/schematics/migrations/renderer-to-renderer2/migration" /> |
| import * as ts from 'typescript'; |
| import { HelperFunction } from './helpers'; |
| /** |
| * Migrates a function call expression from `Renderer` to `Renderer2`. |
| * Returns null if the expression should be dropped. |
| */ |
| export declare function migrateExpression(node: ts.CallExpression, typeChecker: ts.TypeChecker): { |
| node: ts.Node | null; |
| requiredHelpers?: HelperFunction[]; |
| }; |