import GroupActivitiesMiddleware from '../../types/GroupActivitiesMiddleware';
import type { GlobalScopePonyfill } from 'botframework-webchat-core';
export default function createDefaultGroupActivitiesMiddleware({ groupTimestamp, ponyfill }: {
    groupTimestamp: boolean | number;
    ponyfill: GlobalScopePonyfill;
}): GroupActivitiesMiddleware;
//# sourceMappingURL=createDefaultGroupActivitiesMiddleware.d.ts.map