type LocalDataEntry = {
    k: string;
    v: unknown;
};
export type LocalData = {
    get(key: string, callback: (data: unknown) => void): void;
    set(key: string, data: unknown, callback?: () => void): void;
    delete(key: string, callback?: () => void): void;
    list(callback: (keys: IDBValidKey[] | null) => void): void;
    getAll(callback: (entries: LocalDataEntry[] | null) => void): void;
    clear(callback?: () => void): void;
};
export declare function createLocalData(indexedDB?: IDBFactory): LocalData;
declare const localData: LocalData;
export default localData;