import { RudderAnalytics } from '@rudderstack/analytics-js';

/**
 * RudderStack analytics wrapper with singleton pattern.
 * Handles user tracking, page views, and event analytics.
 */
declare class RudderStack {
    analytics: RudderAnalytics;
    has_identified: boolean;
    has_initialized: boolean;
    current_page: string;
    rudderstack_anonymous_cookie_key: string;
    private static _instance;
    private onLoadedCallback?;
    private debug;
    private log;
    constructor(RUDDERSTACK_KEY: string, onLoaded?: () => void, debug?: boolean);
    /**
     * Get or create the singleton instance of RudderStack
     * @param RUDDERSTACK_KEY - RudderStack write key
     * @param onLoaded - Optional callback when RudderStack is loaded
     * @param debug - Enable debug logging
     * @returns The RudderStack singleton instance
     */
    static getRudderStackInstance: (RUDDERSTACK_KEY: string, onLoaded?: () => void, debug?: boolean) => RudderStack;
    /**
     * Get the anonymous ID from cookies
     * @returns The anonymous ID or undefined if not found
     */
    getAnonymousId: () => string | undefined;
    /**
     * Set anonymous ID cookie if it doesn't exist
     * Creates a secure cookie with proper domain and security attributes
     */
    setCookieIfNotExists: () => void;
    /**
     * Get the current user ID
     * @returns The user ID, null, or undefined if not identified
     */
    getUserId: () => (string | null) | undefined;
    /**
     * Initialize RudderStack with the provided key
     * @param RUDDERSTACK_KEY - RudderStack write key
     */
    init: (RUDDERSTACK_KEY: string) => void;
    /**
     * Identify a user with RudderStack
     * Only identifies if user hasn't been identified yet
     * @param user_id - The user ID to identify
     * @param payload - Optional user traits (e.g., language, custom properties)
     */
    identifyEvent: (user_id: string, payload?: Record<string, any>) => void;
    /**
     * Track a page view event
     * @param current_page - The page name/path
     * @param platform - The platform name (default: 'Deriv App')
     * @param user_id - The user ID
     * @param properties - Additional page properties
     */
    pageView: (current_page: string, platform: string | undefined, user_id: string, properties?: Record<string, unknown>) => void;
    /**
     * Reset the RudderStack instance
     * Clears user identification and resets tracking state
     */
    reset: () => void;
    /**
     * Track a custom event with payload
     * Payload is pre-cleaned by analytics.ts using cleanObject before being passed here
     * @param event - The event name
     * @param payload - The event payload with core attributes
     */
    track: (event: string, payload: Record<string, any>) => void;
}

export { RudderStack };