import { InjectionToken } from '@angular/core';
export declare const RXAP_REQUEST_CLOUD_MESSAGING_TOKEN: InjectionToken<unknown>;
export declare const APP_CHECK_ENABLED: InjectionToken<unknown>;
export declare const APP_CHECK_SITE_KEY: InjectionToken<unknown>;
export declare const APP_CHECK_IS_TOKEN_AUTO_REFRESH_ENABLED: InjectionToken<unknown>;
export declare const FIREBASE_APP_CHECK_HTTP_INTERCEPTOR_URL_PATTERN: InjectionToken<RegExp>;
