import { IndexedDbConfig } from '../definitions';
/**
 * Simple IndexedDB Key-Value Storage
 *
 * IndexedDB, as a transactional database, has a somewhat clunky API.
 * This service provides a localStorage-like interface for IndexedDB, wrapped in promises.
 *
 * localStorage has a very low storage limit (5MB), so during development it may not be
 * sufficient to store all the data required for the app to function properly.
 */
export declare class IndexedDbFileStorage<T extends {
    path: string;
}> {
    private config;
    setItem(data: T): Promise<void>;
    getItem(path: string): Promise<T | null>;
    removeItem(path: string): Promise<void>;
    updateIndexedDbConfig(config: Partial<IndexedDbConfig>): void;
    private openDB;
    /**
     * Handle database request promise with proper cleanup
     * @param request The database request to handle
     * @param db The database instance to close
     */
    private handleDBRequest;
}