| /** | |
| * @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 | |
| */ | |
| /** This module is used by both original and MDC-based checkbox implementations. */ | |
| export declare class _MatCheckboxRequiredValidatorModule { | |
| } | |
| export declare class MatCheckboxModule { | |
| } |