/**
 * @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';
import { BreakPoint } from '../breakpoints/break-point';
export declare const BREAKPOINT: InjectionToken<BreakPoint | BreakPoint[] | null>;