import { type RemoteFile } from "../s3.js";
export declare function collectRemoteAncestors(files: Iterable<RemoteFile>): Set<string>;
export interface SpooledRemoteFiles {
    files: Iterable<RemoteFile>;
    remoteKeysWithChildren: ReadonlySet<string>;
    dispose(): void;
}
/**
 * Preserve one LIST snapshot without retaining every row in memory. Deferring
 * only directory collisions cannot preserve the journal freshness contract:
 * an intent for ANY earlier row can arrive on the last page. Replay after the
 * caller refreshes its journal, with complete overlay evidence and no remote
 * second pass. Disk cost is one JSONL write and read per row (metadata only).
 */
export declare function spoolRemoteFiles(source: AsyncIterable<RemoteFile>): Promise<SpooledRemoteFiles>;
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