import { Integer, address } from '../types'; export declare function hexStringToBytes(hex: string): number[][]; export declare function bytesToHexString(input: (number[] | string)[]): string; export declare function toBytes(...args: (string | number | Integer | boolean)[]): number[][]; export declare function argToBytes(val: string | number | Integer | boolean): number[]; export declare function addressToBytes32(input: address): string; export declare function hashString(input: string): string; export declare function hashBytes(input: string): string; export declare function stripHexPrefix(input: string): string; export declare function addressesAreEqual(addressOne: string, addressTwo: string): boolean;