import type { SweepHistoryResult } from "../../types.js";
import { type FilesystemOpsContext } from "./context.js";
/**
 * Destructively remove retained history for the active version root. Active
 * labels are first materialized as standalone snapshots, then all deleted
 * versions are physically removed and active parent links are cleared.
 */
export declare const sweepHistory: <TFs>(ctx: FilesystemOpsContext<TFs>) => Promise<SweepHistoryResult>;
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