export default class Observer {
    constructor(cb: Function, name?: string);
    name?: string;
    readonly id: number;
    callback: Function | null;
    bindObservers: Set<Set<number>>;
    private _change;
    readonly change: boolean;
    collectDep(fn: Function): any;
    beginCollectDep(): void;
    endCollectDep(): void;
    clearBinds(): void;
    unSubscribe(): void;
    run(): void;
}
export declare function observe(fn: Function, name?: string): Observer;