import { GoogleTagManagerConfig } from "./google-tag-manager-config";
import * as i0 from "@angular/core";
export declare class GoogleTagManagerService {
    googleTagManagerConfig: GoogleTagManagerConfig;
    private readonly config;
    private isLoaded;
    private browserGlobals;
    constructor(googleTagManagerConfig: GoogleTagManagerConfig);
    checkConfigGtmId(): void;
    configGtmToDom(): Promise<boolean>;
    getDataLayer(): any[];
    pushTag(item: object): void;
    private pushOnDataLayer;
    static ɵfac: i0.ɵɵFactoryDeclaration<GoogleTagManagerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GoogleTagManagerService>;
}