export declare function getCurrentIDBVersion(name: string): Promise<number | undefined>;
export declare function dataMigration(dbName: string, newVersion: number, oldStoreName: string, newStoreName: string, hooks?: {
    createIndex?: (store: IDBObjectStore) => void;
    onChange?: (oldValue: Record<string, string>, newValue: Record<string, string>) => Record<string, string>;
}): Promise<number>;
export declare function fixLess70Version(dbName: string): Promise<void>;
