import { CharSize, type CipherText, type SymmKey, type Msg, type SymmKeyLength, type SymmKeyOpts, type SymmAlg } from '../types.js';
export declare function encryptBytes(msg: Msg, key: SymmKey | string, opts?: Partial<{
    alg: SymmAlg;
    length: SymmKeyLength;
    iv: ArrayBuffer;
}>, charSize?: CharSize): Promise<CipherText>;
export declare function decryptBytes(msg: Msg, key: SymmKey | string | Uint8Array, 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 | Uint8Array, opts?: Partial<SymmKeyOpts>, charSize?: CharSize): Promise<string>;
export declare function exportKey(key: SymmKey): Promise<Uint8Array>;
declare const _default: {
    encryptBytes: typeof encryptBytes;
    decryptBytes: typeof decryptBytes;
    encrypt: typeof encrypt;
    decrypt: typeof decrypt;
    exportKey: typeof exportKey;
};
export default _default;
export declare function importKey(key: string | Uint8Array, opts?: Partial<SymmKeyOpts>): Promise<SymmKey>;
/**
 * Create a new AES key.
 */
export declare function create(opts?: {
    alg: SymmAlg;
    length: number;
}): Promise<CryptoKey>;
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