export declare class Observe {
}
export declare type autorunFn = () => void;
export declare type DestoryFn = autorunFn;
export declare type GetDestory = (fn: autorunFn) => DestoryFn;
export declare type CurrentFn = (fn: GetDestory) => autorunFn;
/**
 * 依赖
 * @class Depends
 */
export declare class Depends {
    list: autorunFn[];
    /**
     * 手机当前依赖
     * @memberof Depends
     */
    collect(): void;
    /**
     * 执行收集的依赖
     * @memberof Depends
     */
    run(): void;
}
export declare function isObserve(obj: any): boolean;
export declare function addObserve(ctx: any, key: string, defaultValue?: any, init?: boolean): void;
/**
 * 监听数组
 * @param arr
 * @param parentDepends
 */
export declare function observeArr(arr: never[] | undefined, parentDepends: any): any;
/**
 * 监听对象
 * @param obj
 * @param init
 */
export declare function observeObj(obj?: {}, init?: boolean): Observe;
/**
 * 构造一个新的observe对象
 * @param {objet} obj
 * @returns
 */
export declare function observer(obj: any, init?: boolean, parentDepends?: Depends): any;
/**
 * 接受函数，当依赖的数据发生变化后，会立即执行函数
 *
 * @param {function} fn
 * @returns
 */
export declare function autorun(fn: () => void): () => void;