import type { Feed } from '../../../feed';
import { AggregatedActivityResponse, NotificationFeedUpdatedEvent, NotificationStatusResponse } from '../../../gen/models';
import type { EventPayload, UpdateStateResult } from '../../../types-internal';
export declare const updateNotificationFeedFromEvent: (event: NotificationFeedUpdatedEvent) => UpdateStateResult<{
    data?: {
        notification_status?: NotificationStatusResponse;
        aggregated_activities?: AggregatedActivityResponse[];
    };
}>;
export declare function handleNotificationFeedUpdated(this: Feed, event: EventPayload<'feeds.notification_feed.updated'>): void;
