import { Base64String, HexString } from '../types';
export declare const toBase64: (u8: Uint8Array) => Base64String;
export declare const fromBase64: (str: Base64String) => Uint8Array;
export declare const base64RemovePadding: (str: Base64String) => string;
export declare const arrayToHex: (array: Uint8Array) => HexString;
export declare const hexToArray: (str: HexString) => Uint8Array;