/**
 * Original work Copyright (c) 2018 PoC-Consortium
 * Modified work Copyright (c) 2019 Burst Apps Team
 */
/**
 * Converts an hexadecimal string to byte array
 * @param hex The hexadecimal string to be converted
 * @return {number[]} An byte array representing the hexadecimal input
 *
 * @category conversion
 */
export declare const convertHexStringToByteArray: (hex: string) => Uint8Array;