/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { Aead } from '../aead/internal/aead';
/**
 * Implementation of AES-GCM, wrapped around InsecureIvAesGcm.
 *
 * @final
 */
export declare class AesGcm extends Aead {
    readonly key: CryptoKey;
    private readonly insecureIvAesGcm;
    constructor(key: CryptoKey);
    encrypt(plaintext: Uint8Array, associatedData?: Uint8Array): Promise<Uint8Array>;
    decrypt(ciphertext: Uint8Array, associatedData?: Uint8Array): Promise<Uint8Array>;
}
/** Returns an AEAD instantiation genererated from a given raw `key`  */
export declare function fromRawKey(key: Uint8Array): Promise<Aead>;