import { UserActivityService, UserActivityEntry } from '../user-activity/user-activity.service';
/**
 *
 * SessionUserActivityService
 *
 * Handles the io operations with the session storage for the user activity
 * service
 *
 */
export declare class SessionUserActivityService extends UserActivityService {
    constructor();
    /**
     *
     * Adds a new entry at the user activity list
     *
     * @param {UserActivityEntry} entry The entry to write at the session storage
     *
     * @override
     *
     */
    setItem(entry: UserActivityEntry): Promise<void>;
}