import { RudderAnalytics } from '@rudderstack/analytics-js';
import { TCoreAttributes, TEvents } from './types';
export declare class RudderStack {
    analytics: RudderAnalytics;
    has_identified: boolean;
    has_initialized: boolean;
    current_page: string;
    rudderstack_anonymous_cookie_key: string;
    private static _instance;
    constructor(RUDDERSTACK_KEY: string, disableAMD?: boolean);
    static getRudderStackInstance: (RUDDERSTACK_KEY: string, disableAMD?: boolean) => RudderStack;
    getAnonymousId: () => string | undefined;
    setCookieIfNotExists: () => void;
    /**
     * @returns The user ID that was assigned to the user after calling identify event
     */
    getUserId: () => (string | null) | undefined;
    /** For caching mechanism, Rudderstack  SDK, first page load  */
    handleCachedEvents: () => void;
    /**
     * Initializes the Rudderstack SDK. Ensure that the appropriate environment variables are set before this is called.
     * For local/staging environment, ensure that `RUDDERSTACK_STAGING_KEY` and `RUDDERSTACK_URL` is set.
     * For production environment, ensure that `RUDDERSTACK_PRODUCTION_KEY` and `RUDDERSTACK_URL` is set.
     */
    init: (RUDDERSTACK_KEY: string, disableAMD?: boolean) => void;
    /**
     *
     * @param user_id The user ID of the user to identify and associate all events with that particular user ID
     * @param payload Additional information passed to identify the user
     */
    identifyEvent: (user_id: string, payload: {
        language: string;
    }) => void;
    /**
     * Pushes page view event to Rudderstack
     *
     * @param curret_page The name or URL of the current page to track the page view event
     */
    pageView: (current_page: string, platform: string | undefined, user_id: string, properties?: {}) => void;
    /**
     * Pushes reset event to rudderstack
     */
    reset: () => void;
    /**
     * Pushes track events to Rudderstack. When this method is called before `identifyEvent` method is called, the events tracked will be associated with an anonymous ID.
     * Otherwise, if the events needs to be associated with a user ID, call `identifyEvent` with the user ID passed first before calling this method.
     *
     * @param event The event name to track
     * @param payload Additional information related to the event
     */
    track: <T extends keyof TEvents>(event: T, payload: TEvents[T] & Partial<TCoreAttributes>) => void;
}