import { JoseCryptoKeyObj } from './TYPES';
/**
 * JoseCryptoSubtle Class to implement JOSE Cryptography using Subtle Crypto
 *
 * @class
 * @typedef {JoseCryptoSubtle}
 */
export default class JoseCryptoSubtle {
    /**
     * Function to generate AES-256-GCM Key in plaintext and encrypted string. Encrypted key is generated using RSA-OAEP public key.
     *
     * @static
     * @async
     * @param base64PublicKey RSA-OAEP public key as Base64 string.
     * @returns
     */
    static generateAndWrapKey(base64PublicKey: string): Promise<JoseCryptoKeyObj>;
    /**
     * Function to encrypt any data using AES-256-GCM.
     *
     * @static
     * @async
     * @param data Data to be encrypted.
     * @param key AES-256-GCM plaintext key to be used for encryption.
     * @returns
     */
    static encryptData(data: any, key: CryptoKey): Promise<string>;
    /**
     * Function to decrypt encrypted data using AES-256-GCM.
     *
     * @static
     * @async
     * @param payload AES-256-GCM encrypted string to decrypt.
     * @param key AES-256-GCM plaintext key to be used for encryption.
     * @returns
     */
    static decryptData(payload: string, key: CryptoKey): Promise<any>;
    /**
     * Function to convert CryptoKey to Base64 string.
     *
     * @static
     * @async
     * @param key AES-256-GCM CryptoKey key to be used for encryption.
     * @returns
     */
    static exportCryptoKey(key: CryptoKey): Promise<string>;
    /**
     * Function to convert Base64 string to CryptoKey.
     *
     * @static
     * @async
     * @param base64Key AES-256-GCM Base64 string to be used for encryption.
     * @returns
     */
    static importCryptoKey(base64Key: string): Promise<CryptoKey>;
}