export declare const GA_CLIENT_ID_KEY = "ga_client_id";
export declare const COUNTRY_FROM_IP_KEY = "user_ip_country";
export declare const ARTICLE_ID_KEY = "article_id";
export declare const CATEGORY_SLUG_KEY = "category_slug";
export declare const UTM_MEDIUM_KEY = "utm_medium";
export type CaptureUrlParams = {
    gaClientId?: string;
    countryFromUserIp?: string;
    articleId?: string;
    categorySlug?: string;
    utmMedium?: string;
};
export declare function hasCaptureUrlPlaceholders(value: string): boolean;
export declare function substituteCaptureUrlParams(url: string, params?: CaptureUrlParams): string;