declare const _default: {
    aesGcmEncrypt: (subtle: any, plaintext: string, aesKey: CryptoKey, ivFirst?: boolean) => Promise<string>;
    aesGcmDecrypt: (subtle: any, encryptedBase64: string, aesKey: CryptoKey, ivFirst?: boolean) => Promise<string>;
    aesCryptoKey: (subtle: any, sharedBase64: string) => Promise<CryptoKey | null>;
    aesCryptoKeyFromHkdf: (subtle: any, sharedBase64: string, saltBase64: string, infoBase64: string) => Promise<CryptoKey | null>;
    aesGcmKey: (subtle: any, rawData: BufferSource) => Promise<CryptoKey | null>;
    rawKeyHex: (subtle: any, cryptoKey: CryptoKey) => Promise<string>;
    rawKeyBytes: (subtle: any, cryptoKey: CryptoKey) => Promise<Uint8Array | null>;
};
export default _default;