import { type SqliteDatabase } from '../sqlite/sqlite-driver.js';
import type { BeeManifest } from '../sediment/types.js';
/** Compute the sha256 hash and byte length of a single file. */
export declare function sha256OfFile(p: string): {
    sha: string;
    bytes: number;
};
/** Copy a file into the content-addressed blob store under `blobsDir/<aa>/<sha>`
 *  if not already present, and return the relative blob_path used by `bee_file`. */
export declare function ensureBlob(blobsDir: string, sha: string, srcPath: string): string;
export declare function walk(root: string, base?: string): Generator<{
    abs: string;
    rel: string;
}>;
export declare function retainRelease({ db, blobsDir, scratchDir, manifest, version: explicitVersion, parentVersion, changelog }: {
    db: SqliteDatabase;
    blobsDir: string;
    scratchDir: string;
    manifest: BeeManifest;
    version?: string;
    parentVersion?: string;
    changelog?: string;
}): number;