declare const TagManager: {
    dataLayer: (dataLayerArgs: TagManager.DataLayerArgs) => void;
    initialize: (tagManagerArgs: TagManager.TagManagerArgs) => void;
};

declare namespace TagManager {
    interface TagManagerArgs extends DataLayerArgs {
        /**
         * GTM id, must be something like GTM-000000.
         */
        gtmId: string;
        /**
         * Additional events such as 'gtm.start': new Date().getTime(),event:'gtm.js'.
         */
        events?: object | undefined;
        /**
         * Used to set environments.
         */
        auth?: string | undefined;
        /**
         * Used to set environments, something like env-00.
         */
        preview?: string | undefined;
    }

    interface DataLayerArgs {
        /**
         * Object that contains all of the information that you want to pass to Google Tag Manager.
         */
        dataLayer?: object | undefined;
        /**
         * Custom name for dataLayer object.
         */
        dataLayerName?: string | undefined;
    }
}

export = TagManager;