import { WidgetType } from '@brainfish-ai/widgets-common';
/**
 * Handles analytics tracking for widget events
 * Single responsibility: Track widget interactions and dispatch events
 */
export declare class AnalyticsTracker {
    private widgetType;
    private widgetKey;
    constructor(widgetType: WidgetType, widgetKey: string);
    trackOpenWidget(trigger?: string, contextualQuestion?: string): void;
    trackCloseWidget(): void;
    trackCustomEvent(eventName: string, data?: Record<string, any>): void;
    private dispatchEvent;
    private trackAnalytics;
}