import { deleteDB, type IDBPDatabase } from "idb";
declare abstract class IDB<T, Key extends string> {
    db: IDBPDatabase;
    name: string;
    store: string;
    index: string;
    key?: Key;
    initialValue?: T;
    abstract get(): Promise<T>;
    abstract set(val: T): Promise<T>;
    private isBrowser;
    constructor(name: string, key?: Key, initialValue?: T, callback?: (creating: boolean) => void);
    open: () => Promise<boolean>;
}
export declare class IDBArray<T extends Record<string, any>> extends IDB<T[], Extract<keyof T, string>> {
    get: () => Promise<T[]>;
    set: (val: T[]) => Promise<T[]>;
    getItem: (id: string) => Promise<T>;
    setItem: (val: T) => Promise<T[]>;
    removeItem: (id: string) => Promise<T[]>;
    clear: () => Promise<T[]>;
}
export declare class IDBObject<T extends Record<string, any>> extends IDB<T, Extract<keyof T, string>> {
    get: () => Promise<T>;
    set: (val: T) => Promise<T>;
    getItem: <K extends Extract<keyof T, string>>(id: K) => Promise<T[K]>;
    setItem: <K extends Extract<keyof T, string>>(id: K, val: T[K]) => Promise<T>;
    removeItem: (id: Extract<keyof T, string>) => Promise<T>;
    clear: () => Promise<T>;
}
export declare const exists: (name: string) => Promise<boolean>;
export declare const remove: typeof deleteDB;
export {};