import { ByteArray } from '../types.js';
/**
 * Converts a hexadecimal string to a byte array.
 *
 * @param hex - The hexadecimal string to convert.
 * @returns A byte array containing the decoded values.
 *
 * @example
 * ```typescript
 * hexToBytes('FF00') // Returns Uint8Array([255, 0])
 * ```
 */
export declare function hexToBytes(hex: string): ByteArray;