import { SymmKey, SymmKeyOpts, CipherText, Msg } from '../types.js';
export declare function encryptBytes(msg: Msg, key: SymmKey | string, opts?: Partial<SymmKeyOpts>): Promise<CipherText>;
export declare function decryptBytes(msg: Msg, key: SymmKey | string, opts?: Partial<SymmKeyOpts>): Promise<ArrayBuffer>;
export declare function encrypt(msg: Msg, key: SymmKey | string, opts?: Partial<SymmKeyOpts>): Promise<string>;
export declare function decrypt(msg: Msg, key: SymmKey | string, opts?: Partial<SymmKeyOpts>): Promise<string>;
export declare function exportKey(key: SymmKey): Promise<string>;
declare const _default: {
    encryptBytes: typeof encryptBytes;
    decryptBytes: typeof decryptBytes;
    encrypt: typeof encrypt;
    decrypt: typeof decrypt;
    exportKey: typeof exportKey;
};
export default _default;