import { ByteArray } from '../types.js';
/**
 * Converts a byte array to a lowercase hexadecimal string.
 *
 * @param bytes - The byte array to convert.
 * @returns A lowercase hexadecimal string representation.
 *
 * @example
 * ```typescript
 * hexBytesToString(new Uint8Array([255, 0])) // Returns 'ff00'
 * ```
 */
export declare function hexBytesToString(bytes: ByteArray): string;