import { UseStore } from 'idb-keyval';
export declare class Store {
    db: UseStore;
    constructor(dbName: string, storeName: string);
    get<T>(key: IDBValidKey): Promise<T | undefined>;
    set<T = any>(key: IDBValidKey, value: T): Promise<void>;
    del(key: IDBValidKey): Promise<void>;
    clear(): Promise<void>;
    has(key: IDBValidKey): Promise<boolean>;
}