/**
 * Format a byte count as a human-readable string.
 *
 * Uses binary units (1 KB = 1024 B) to match how operating systems and
 * storage tools (S3, Linux `ls -h`) typically report file sizes.
 */
export declare function formatBytes(bytes: number | null | undefined, fractionDigits?: number): string;
//# sourceMappingURL=format-bytes.d.ts.map