interface IJSON {
    [propsName: string]: string | number | IJSON;
}
import { IConfig, IPicGo } from '../types';
declare class DB {
    private readonly ctx;
    private readonly db;
    constructor(ctx: IPicGo);
    read(flush?: boolean): IJSON;
    getSingle(key?: string): any;
    get(key: string): any;
    get(key: string[]): any[];
    set(key: string, value: any): void;
    has(key: string): boolean;
    unset(key: string, value: any): boolean;
    saveConfig(config: Partial<IConfig>): void;
    removeConfig(config: IConfig): void;
    getConfigPath(): string;
}
export default DB;