import { IResponse } from './types';
export declare const successResponse: (args: IResponse) => IResponse;
/**
 * Remove 0x prefix from a hex string. If the input doesn't have a 0x prefix,
 * it's returned unchanged.
 *
 * @param hex The hex value to be prefixed.
 */
export declare const strip0x: (hex: string) => string;
/**
 * Convert a Uint8Array to a hex string (with no "0x"-prefix).
 */
export declare const toHex: (array: Uint8Array) => string;
/**
 * Add a 0x prefix to a hex value, converting to a string first. If the input
 * is already prefixed, it's returned unchanged.
 *
 * @param hexInput The hex value to be prefixed.
 */
export declare const Ox: (hexInput: Uint8Array | string | number, { prefix }?: {
    prefix: string;
}) => string;
/**
 * Convert a hex string to a Uint8Array.
 */
export declare const fromHex: (hexString: string) => Uint8Array;
/**
 * https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array/12646864#12646864
 * Randomize array element order in-place.
 * Using Durstenfeld shuffle algorithm.
 */
export declare const shuffleArray: <T>(...arrayIn: T[] | T[][]) => T[];
export declare const toUTF8String: (input: Uint8Array) => string;
export declare const fromUTF8String: (input: string) => Uint8Array;
/**
 * Convert a base64 string to a Uint8Array.
 */
export declare const fromBase64: (base64String: string) => Uint8Array;
export declare const toBase64: (input: Uint8Array) => string;