| /** |
| * @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 { FormGroupDirective, NgForm, FormControl } from '@angular/forms'; |
| /** Error state matcher that matches when a control is invalid and dirty. */ |
| export declare class ShowOnDirtyErrorStateMatcher implements ErrorStateMatcher { |
| isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean; |
| } |
| /** Provider that defines how form controls behave with regards to displaying error messages. */ |
| export declare class ErrorStateMatcher { |
| isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean; |
| } |
