declare global {
    var dataLayer: any[];
    var gtag: (...args: any[]) => void;
    var hj: (...args: any[]) => void;
}
/**
 * Pass enabled = false to only init globalThis.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;