import { IDBPDatabase } from "idb";
export default class IDB {
    static dbPromise: Promise<IDBPDatabase<unknown>>;
    static db: IDBPDatabase<unknown>;
    modelId: any;
    static instance: {};
    static getInstance(modelId?: any): IDB;
    constructor(modelId: any);
    get(key: any): Promise<any>;
    set(key: any, val: any): Promise<IDBValidKey>;
    del(key: any): Promise<void>;
    clear(): Promise<void>;
    key(key: any): Promise<IDBValidKey>;
    keys(): Promise<IDBValidKey[]>;
    count(): Promise<number>;
    transaction(mode?: IDBTransactionMode): Promise<import("idb").IDBPTransaction<unknown, [any], IDBTransactionMode>>;
}