import type { HistoryStorage } from './history.js';
import type { HistoryCheckpointJournal } from './history-checkpoints.js';
export interface IndexedDbHistoryStore {
    readonly storage: HistoryStorage;
    journal(documentId: string): HistoryCheckpointJournal;
    /** Await active history calls first. Stored documents and pending requests are retained. */
    close(): void;
}
/** Optional browser-local persistence. Call explicitly; no storage, autosave or retention
 * policy is installed by mounting controls. Browser site-data clearing removes this store. */
export declare function openIndexedDbHistoryStore(name: string): Promise<IndexedDbHistoryStore>;
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