/// <reference types="gtag.js" />
import ControlParams = Gtag.ControlParams;
import EventParams = Gtag.EventParams;
import ConfigParams = Gtag.ConfigParams;
import CustomParams = Gtag.CustomParams;
declare global {
    interface Window {
        dataLayer: any[];
    }
}
export declare function gtag(...args: any[]): void;
export declare function initializeGtag(trackingId: string, config?: ControlParams | EventParams | ConfigParams | CustomParams): void;