import { Document } from '../types';
export declare class IndexedDB {
    #private;
    constructor({ name, store, version, }: {
        name: string;
        store: string;
        version: number;
    });
    /**
     * mandatory to call before any other method
     * and must be awaited
     */
    load(): Promise<this>;
    get<T = Document>(key: string): Promise<T>;
    set<T = Document>(key: string, value: T): Promise<void>;
    unset(key: string): Promise<void>;
    clear(): Promise<void>;
}