import { ReWriteSub, Dep, Sub } from '../types/observer';
import { State } from '../types/store';
export default class Watcher {
    watcher: ReWriteSub;
    child: any;
    state: State;
    id: number;
    constructor(watcher: ReWriteSub, state: State, child: any);
    getter(): void;
    update(): void;
    addDep(dep: Dep): void;
}
export declare function addWatch<T>(subs: Sub<T> | Sub<T>[]): void;