import type { IStorage, IStorageChanges } from '../types.js';
import StoreRecordsStorage, { type IStoreRecordsStorageOptions } from './store-records-storage.js';
export interface IIndexedDBStorageOptions extends IStoreRecordsStorageOptions {
    /**
     * Database name. Default: 'mobx-manager'
     */
    dbName?: string;
    /**
     * IndexedDB factory. Default: globalThis.indexedDB
     */
    indexedDB?: IDBFactory;
    /**
     * Storage with previously persisted stores (e.g. LocalStorage).
     * Its data is moved on the first start and removed on flush.
     * It is also used when IndexedDB is not available.
     */
    migrateFrom?: IStorage;
}
/**
 * IndexedDB storage for mobx store manager
 *
 * Every store is saved as its own record: a change writes only the changed stores,
 * writes don't block the main thread and the quota is much bigger than localStorage.
 */
declare class IndexedDBStorage extends StoreRecordsStorage {
    /**
     * Database name
     */
    protected dbName: string;
    /**
     * IndexedDB factory
     */
    protected factory?: IDBFactory;
    /**
     * Opened database
     */
    protected db?: IDBDatabase;
    /**
     * Opening database
     */
    protected opening?: Promise<IDBDatabase | undefined>;
    /**
     * @constructor
     */
    constructor({ dbName, indexedDB, ...options }?: IIndexedDBStorageOptions);
    /**
     * Open database. Resolves undefined when IndexedDB is not available.
     */
    protected open(): Promise<IDBDatabase | undefined>;
    /**
     * @inheritDoc
     */
    get(): Promise<Record<string, any> | undefined>;
    /**
     * Write stores in one transaction
     */
    protected write(changes: Map<string, string>, shouldClear?: boolean): Promise<void>;
    /**
     * @inheritDoc
     */
    saveChanges(changes: IStorageChanges): Promise<void>;
    /**
     * Save to legacy storage when IndexedDB is not available
     */
    protected saveFallback(changes: IStorageChanges): Promise<void>;
    /**
     * @inheritDoc
     */
    set(value: Record<string, any> | undefined): Promise<void>;
    /**
     * @inheritDoc
     */
    flush(): Promise<void>;
}
export default IndexedDBStorage;