import { EventEmitter } from '@angular/core';
import { Event } from './interfaces/event';
import { PageView } from './interfaces/page-view';
import { TrackingOptions } from './interfaces/tracking-options';
export declare class GoogleAnalyticsService {
    event: EventEmitter<Event>;
    pageView: EventEmitter<PageView>;
    private readonly queue;
    constructor(trackingId: string, options: TrackingOptions | string);
    configure(trackingId: string, options?: TrackingOptions | string): void;
    set(fieldsObject: any): void;
    set(fieldName: string, fieldValue: any): void;
    private onEvent;
    private onPageView;
    private ga;
}