import { DoCheck, EventEmitter, KeyValueDiffers } from "@angular/core";
export declare class ObjectWatcherDirective implements DoCheck {
    private _differs;
    private _watchObject;
    private _differ;
    private _changeCounter;
    watchObject: any;
    checkOnce: boolean;
    stopWatching: false;
    onPropertyChanged: EventEmitter<{}>;
    constructor(_differs: KeyValueDiffers);
    ngDoCheck(): void;
}