/// <reference types="react" />
import type { WebChatActivity } from 'botframework-webchat-core';
type ActivityKeyerContextType = {
    activityKeysState: readonly [readonly string[]];
    getActivitiesByKey: (key?: string) => readonly WebChatActivity[] | undefined;
    getActivityByKey: (key?: string) => undefined | WebChatActivity;
    getKeyByActivity: (activity?: WebChatActivity) => string | undefined;
    getKeyByActivityId: (activityKey?: string) => string | undefined;
};
declare const _default: import("react").Context<ActivityKeyerContextType>;
export default _default;
export type { ActivityKeyerContextType };
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