import ObjectAccessInterface from "./ObjectAccessInterface";
declare abstract class ConfigInterface extends ObjectAccessInterface {
    /**
     * 获取全部配置项
     * @returns
     */
    all(): Record<string, any>;
    /**
     * 判断配置项是否存在
     * @param key 键名
     * @returns
     */
    has(key: string): boolean;
    /**
     * 设置配置项
     * @param key 键名
     * @param value 键值
     * @returns
     */
    set(key: string, value: any): void;
    /**
     * 获取配置项
     * @param key 键名
     * @param defaultValue 配置项不存在时返回的默认值
     * @returns
     */
    get(key: string | string[], defaultValue?: any): any;
}
export = ConfigInterface;