declare function getDataFastVisitorId(cookieName?: string): string | null;
declare function getDataFastSessionId(cookieName?: string): string | null;
declare function hasDataFastVisitorId(cookieName?: string): boolean;
declare function buildCheckoutUrlWithVisitorId(checkoutUrl: string, visitorId: string | null, cookieName?: string): string;
declare function addTrackingToMetadata(metadata?: Record<string, unknown>, visitorId?: string | null, sessionId?: string | null, visitorCookieName?: string, sessionCookieName?: string): Record<string, unknown>;
declare const addVisitorIdToMetadata: typeof addTrackingToMetadata;
declare const DataFastClient: {
    getVisitorId: typeof getDataFastVisitorId;
    getSessionId: typeof getDataFastSessionId;
    hasVisitorId: typeof hasDataFastVisitorId;
    buildCheckoutUrl: typeof buildCheckoutUrlWithVisitorId;
    addTrackingToMetadata: typeof addTrackingToMetadata;
    addToMetadata: typeof addTrackingToMetadata;
};

export { DataFastClient, addTrackingToMetadata, addVisitorIdToMetadata, buildCheckoutUrlWithVisitorId, DataFastClient as default, getDataFastSessionId, getDataFastVisitorId, hasDataFastVisitorId };