import { EncryptedKey, KeyMetadata, KeyStore } from "../types";
import { LocalStorageConfigParams } from "./LocalStorageFacade";
/**
 * KeyStore for the Web Storage API :
 * https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API.
 * Once instantiated and configured, pass it to the `KeyManager` contructor to
 * handle the storage of encrypted keys.
 * ```js
 * const localKeyStore = new KeyManagerPlugins.LocalStorageKeyStore();
 * localKeyStore.configure({ storage: localStorage });
 * const keyManager = new KeyManager({
 *     keyStore: localKeyStore
 *  });
 * ```
 */
export declare class LocalStorageKeyStore implements KeyStore {
    name: string;
    private keyStore;
    constructor();
    /**
     * The configuration is where the storage engine is set up and configured.
     * It must follow the Storage interface :
     * https://developer.mozilla.org/en-US/docs/Web/API/Storage).
     * In the DOM environment it can be `localStorage` or `sessionStorage`.
     * In a Node environment, there are some substitution libraries available,
     * *node-localstorage* for instance.
     * If not set, the calls to the other methods will fail.
     * @param {LocalStorageConfigParams} params A configuration object.
     * @param {Storage} params.storage The Storage instance. Required.
     * @param {string} [params.prefix] The prefix for the names in the storage.
     * @return {Promise}
     */
    configure(params: LocalStorageConfigParams): Promise<void>;
    storeKeys(keys: EncryptedKey[]): Promise<KeyMetadata[]>;
    updateKeys(keys: EncryptedKey[]): Promise<KeyMetadata[]>;
    loadKey(id: string): Promise<any>;
    removeKey(id: string): Promise<KeyMetadata>;
    loadAllKeys(): Promise<EncryptedKey[]>;
}