import { ByteArray } from '../array';
export declare function encodeUTF8(a: ByteArray): string;
export declare function decodeUTF8(s: string): ByteArray;
export declare function encodeBase64(a: ByteArray): string;
export declare function decodeBase64(s: string): ByteArray;
export declare function encodeHex(a: ByteArray): string;
export declare function decodeHex(s: string): ByteArray;