export interface TarballResult {
    /** Tarball bytes (uncompressed POSIX ustar). */
    bytes: Uint8Array;
    /** sha256 hex of the bytes. */
    sha256: string;
    /** Files included, posix paths relative to source root. */
    paths: string[];
}
/**
 * Build a tarball of the given directory. Deterministic: same input ->
 * same bytes -> same sha256, regardless of build host.
 */
export declare function buildTarball(rootDir: string): Promise<TarballResult>;
//# sourceMappingURL=tarball.d.ts.map