export declare function generateNewAesGcmKey(): Promise<CryptoKey>;
export declare function exportAesGsmKeyBytes(key: CryptoKey): Promise<Uint8Array>;
export declare function importAesGsmKeyBytes(key: Uint8Array): Promise<CryptoKey>;
export declare function encryptAesGcm(key: CryptoKey, data: Uint8Array): Promise<{
    ciphertext: Uint8Array;
    iv: Uint8Array;
}>;
export declare function decryptAesGcm(key: CryptoKey, ciphertext: Uint8Array, iv: Uint8Array): Promise<Uint8Array>;
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