import { OnInit } from '@angular/core';
import { Router } from '@angular/router';
import { StacheWindowRef, StacheConfigService } from '../shared';
export declare class StacheGoogleAnalyticsDirective implements OnInit {
    private windowRef;
    private configService;
    private router;
    private tagManagerContainerId;
    private analyticsClientId;
    private isEnabled;
    private appName;
    constructor(windowRef: StacheWindowRef, configService: StacheConfigService, router: Router);
    ngOnInit(): void;
    addGoogleTagManagerScript(): void;
    /**
     * Because GTM adds the Google Analytics script to the page outside of our control,
     * instead of loading the GA script twice, we extract the 'ga' window method out so we can
     * subscribe to our router events and track SPA page views.
     */
    initGoogleAnalytics(): void;
    bindPageViewsToRouter(): void;
    private updateDefaultConfigs();
}