import type { SqliteDatabase } from '../sqlite/sqlite-driver.js';
/**
 * Garbage-collect content-addressed blobs under `blobsDir/<aa>/<sha>` that
 * no `bee_file` row currently references.
 *
 * @param dryRun if true, list removed SHAs without deleting files.
 * @returns the list of removed SHA names.
 */
export declare function gcBlobs({ db, blobsDir, dryRun }: {
    db: SqliteDatabase;
    blobsDir: string;
    dryRun: boolean;
}): string[];