| /** |
| * @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 { InjectionToken } from '@angular/core'; |
| /** Possible politeness levels. */ |
| export declare type AriaLivePoliteness = 'off' | 'polite' | 'assertive'; |
| export declare const LIVE_ANNOUNCER_ELEMENT_TOKEN: InjectionToken<HTMLElement | null>; |
| /** @docs-private */ |
| export declare function LIVE_ANNOUNCER_ELEMENT_TOKEN_FACTORY(): null; |
| /** Object that can be used to configure the default options for the LiveAnnouncer. */ |
| export interface LiveAnnouncerDefaultOptions { |
| /** Default politeness for the announcements. */ |
| politeness?: AriaLivePoliteness; |
| /** Default duration for the announcement messages. */ |
| duration?: number; |
| } |
| /** Injection token that can be used to configure the default options for the LiveAnnouncer. */ |
| export declare const LIVE_ANNOUNCER_DEFAULT_OPTIONS: InjectionToken<LiveAnnouncerDefaultOptions>; |
