export interface VisitorEvent {
    timestamp: string;
    userAgent: string;
    referrer: string | null;
    page: string;
}
export declare class VisitorTracker {
    private readonly apiEndpoint;
    private isBrowser;
    constructor();
    /**
     * Send a visit event to your Lambda function.
     * @returns Promise with the response from the API
     */
    trackVisit(): Promise<any>;
}