import { StsBaseService } from '../gen/service/sts-base-service';
export declare class StsService extends StsBaseService {
    #private;
    private longtermToken;
    private authorizationStoragePath?;
    constructor(longtermToken: string, authorizationStoragePath?: string);
    /**
     * get the access token. If token is expired a new token will be fetched
     * and stored.
     */
    getToken: (force?: boolean) => Promise<string>;
}