import { ReactNode } from 'react';
export interface ChatActivityActor {
    id?: string;
    image?: string | null;
    name: string;
}
export interface ChatActivityEvent {
    actor?: ChatActivityActor | null;
    createdAt: string;
    detail?: ReactNode;
    id: string;
    metadata?: Record<string, unknown>;
    title: ReactNode;
    type: string;
}
export interface ChatActivityTimelineProps {
    className?: string;
    emptyDescription?: ReactNode;
    emptyTitle?: ReactNode;
    events: readonly ChatActivityEvent[];
    participants?: readonly ChatActivityActor[];
    renderEvent?: (event: ChatActivityEvent) => ReactNode;
    title?: ReactNode;
}
/**
 * Vertical activity timeline distinct from the message discussion stream.
 */
export declare function ChatActivityTimeline({ className, emptyDescription, emptyTitle, events, participants, renderEvent, title }: ChatActivityTimelineProps): import("react").JSX.Element;