export interface EncryptedKey {
    iv: string;
    data: string;
}
export interface AESKeyEncryptorI {
    decryptKey(encryptedKey: EncryptedKey, decryptedKeyAlgorithm: AesKeyAlgorithm | RsaHashedImportParams, extractable: boolean, format: "jwk" | "pkcs8", usages: KeyUsage[]): Promise<CryptoKey>;
    encryptKey(dataEncryptionKey: CryptoKey, format: "jwk" | "pkcs8"): Promise<EncryptedKey>;
}
export interface KeyEncryptionConfigParams {
    name: "AES-GCM";
    length: 256;
}
export interface KeyEncryptionConfigI {
    toJSON(): KeyEncryptionConfigParams;
    getAlgorithm(): AesKeyAlgorithm;
    buildKeyEncryptor(key: CryptoKey): AESKeyEncryptorI;
}
export declare function KeyEncryptionConfig(configJSON?: KeyEncryptionConfigParams): KeyEncryptionConfigI;