import { IDBSchema } from "../public-api";
/**
   * Function to create connection to database
   * @param indexedDB
   * @param database
   * @param upgradeCB
   * @returns
   */
export declare function connectDatabase(indexedDB: IDBFactory, database: IDBSchema, upgradeCB?: (event: Event, database: IDBDatabase) => void): Promise<IDBDatabase>;
/**
 * Function to create object store
 * @param indexedDB
 * @param database
 * @returns
 */
export declare function createDatabaseAndObjectsStore(indexedDB: IDBFactory, database: IDBSchema): void;
/**
 * Function to delete object storage
 * @param indexedDB
 * @param database
 * @param storeName
 * @returns
 */
export declare function deleteObjectStore(indexedDB: IDBFactory, database: IDBSchema, storeName: string): Promise<boolean>;
/**
 * Function to validate database and set version if not was specified
 * @param database
 * @returns
 */
export declare function validateDatabase(database: IDBSchema): Promise<IDBSchema>;
/**
 * Function to export database in json file
 * @param jsonData
 * @param fileName
 * @returns
 */
export declare function exportDatabaseToJSON(jsonData: any, fileName?: string): Promise<boolean>;