import type { DayActivityQuery, DayActivityReader } from './calendar-activity-model.js';
/** The calendar owns one day's reads; changing presentation does not restart them. */
export declare function useDayTimelineData(query: DayActivityQuery, reader: DayActivityReader | undefined, refreshVersion?: number, enabled?: boolean, privacyRevision?: number): {
    activities: {
        page: import("./calendar-activity-model.js").DayActivityPage | undefined;
        loading: boolean;
        error: string;
        loadingMore: boolean;
        loadMore: () => Promise<void>;
        refresh: () => void;
    };
    reactions: {
        events: import("./reaction-preview-store.js").ReactionPreviewEvent[];
        error: string;
        busy: boolean;
        hasMore: boolean;
        load: (more?: boolean) => Promise<void>;
    };
};
export type DayTimelineData = ReturnType<typeof useDayTimelineData>;
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