import { Config } from '../types.js';
export default class KeyStoreBase {
    cfg: Config;
    protected store: LocalForage;
    constructor(cfg: Config, store: LocalForage);
    writeKey(): Promise<CryptoKeyPair>;
    exchangeKey(): Promise<CryptoKeyPair>;
    getSymmKey(keyName: string, cfg?: Partial<Config>): Promise<CryptoKey>;
    keyExists(keyName: string): Promise<boolean>;
    deleteKey(keyName: string): Promise<void>;
    destroy(): Promise<void>;
    importSymmKey(keyStr: string, keyName: string, cfg?: Partial<Config>): Promise<void>;
    exportSymmKey(keyName: string, cfg?: Partial<Config>): Promise<string>;
    encryptWithSymmKey(msg: string, keyName: string, cfg?: Partial<Config>): Promise<string>;
    decryptWithSymmKey(cipherText: string, keyName: string, cfg?: Partial<Config>): Promise<string>;
}