| /** | |
| * @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 | |
| */ | |
| /** | |
| * Asserts that a particular node is an element. | |
| * @param node Node to be checked. | |
| * @param name Name to attach to the error message. | |
| */ | |
| export declare function assertElementNode(node: Node, name: string): asserts node is HTMLElement; |