| /** |
| * @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 { EventEmitter, OnDestroy } from '@angular/core'; |
| export declare type Direction = 'ltr' | 'rtl'; |
| /** |
| * The directionality (LTR / RTL) context for the application (or a subtree of it). |
| * Exposes the current direction and a stream of direction changes. |
| */ |
| export declare class Directionality implements OnDestroy { |
| /** The current 'ltr' or 'rtl' value. */ |
| readonly value: Direction; |
| /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */ |
| readonly change: EventEmitter<Direction>; |
| constructor(_document?: any); |
| ngOnDestroy(): void; |
| } |