import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class L10nCache {
    private cache;
    read(key: string, request: Observable<any>): Observable<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<L10nCache, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<L10nCache>;
}