import type { ArkmeTimelinePage } from '../types.js';
import { type ConversationTimelineReadPort } from './conversation-timeline-read-port.js';
/** Mount per account + stable conversation identity. A rotated access ref refreshes the same read window. */
export declare function useChatPreviewTimeline(sourceRef: string, changeRevision: number, port?: ConversationTimelineReadPort): {
    page: ArkmeTimelinePage | undefined;
    loading: boolean;
    error: string;
    loadMore: () => Promise<void>;
    retry: () => Promise<void>;
};
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