import { ISerializedStorageProvider } from './types';
import { SerializedStorageProviderHelper } from './helpers';
/**
 * Browser-local storage provider, for bootstrapping application state into a replica; document state is stored differently.
 */
export default class BrowserSerializedStorageProvider extends SerializedStorageProviderHelper implements ISerializedStorageProvider {
    /**
     * Works natively in browsers, works as in-memory store in Node.  We don't use this provider in Node,
     * so this is sufficient for passing unit tests and making Typescript happy.
     */
    private readonly localStorage;
    getString(key: string): Promise<string | null>;
    putString(key: string, data: string): Promise<void>;
}