import { WebStorageService } from './webstorage.service';
import * as i0 from "@angular/core";
export declare class SessionStorageService extends WebStorageService {
    static keys: Array<string>;
    constructor();
    static ɵfac: i0.ɵɵFactoryDef<SessionStorageService, never>;
    static ɵprov: i0.ɵɵInjectableDef<SessionStorageService>;
}