declare global {
    interface Window {
        dataLayer: any[];
        gtag: (...args: any[]) => void;
    }
}
/**
 * Pass enabled = false to only init window.gtag, but not load actual gtag script (e.g in dev mode).
 */
export declare function loadGTag(gtagId: string, enabled?: boolean): Promise<void>;
export declare function loadGTM(gtmId: string, enabled?: boolean): Promise<void>;
export declare function loadHotjar(hjid: number): void;