import { EventSubscription } from 'react-native';
import { TaplyticsUserAttributes, TaplyticsSessionInfo } from './user.types';
/**
 * Use this function to manually force a new user session.
 *
 */
export declare const startNewSession: () => Promise<void>;
/**
 * This function is used to retrieve select information about a session at a given time.
 *
 * @returns A promise that resolves to an object of with `appUser_id` and `session_id` properties.
 */
export declare const getSessionInfo: () => Promise<TaplyticsSessionInfo>;
/**
 * Use this listener to ensure that all the properties have been loaded from the server
 * prior to utilizing feature flags and experiment variable values. The listener returns
 * back an event subscriber that can be used to cleanup the event listener using the `remove` function.
 *
 * On iOS this listener is triggered in the following situations:
 *  - Properties have been loaded on app start.
 *  - A new session is generated by the SDK, or when explicitly started using the `startNewSession` method.
 *  - A user's `email` or `user_id` fields are updated using the `setUserAttribute` method.
 *
 * On Android this listener is triggered in the following situations:
 *  - A new session is generated by the SDK, or when explicitly started using the `startNewSession` method.
 *  - A user's `email` or `user_id` fields are updated using the `setUserAttribute` method.
 *
 * *NOTE:* This listener does not trigger on app start for `android` devices.
 *
 * @param callback A function that gets executed when a new session is created.
 *
 * @returns On `ios` and `android` devices an event subscriber object is returned.
 * Use the `remove` function to clean up the event listener.
 */
export declare const setTaplyticsNewSessionListener: (callback: (loaded: boolean) => void) => EventSubscription | undefined;
/**
 * Use this function to segment your users based on custom user attributes.
 * Ensure that either the `user_id` or `email` is unique to identify the user across multiple device.
 *
 * @param attributes An object of type `TaplyticsUserAttributes`.
 *
 */
export declare const setUserAttributes: (attributes: TaplyticsUserAttributes) => Promise<void>;
/**
 * Once a user logs out of your app, their User Attributes are no longer valid.
 * You can reset their data by calling this function.
 * Make sure you do not set any new user attributes until the promise resolves.
 *
 */
export declare const resetAppUser: () => Promise<void>;
/**
 * Use this function to log custom events.
 *
 * @param eventName The name of the event.
 * @param value A numerical value associated with the event. This is an optional parameter,
 * if no value is passed it is initialized to 0.
 * @param customAttributes A custom object that gets associated with the event. This is an
 * optional parameter, if no value is passed it is initialized with an empty object.
 */
export declare const logEvent: (eventName: string, value?: number, customAttributes?: object) => void;
/**
 * Use this function to log revenue.
 *
 * @param eventName The name of the revenue event.
 * @param value A numerical value associated with the revenue event. This is an optional parameter,
 * if no value is passed it is initialized to 0.
 * @param customAttributes A custom object that gets associated with the revenue event. This is an
 * optional parameter, if no value is passed it is initialized with an empty object.
 */
export declare const logRevenue: (eventName: string, value?: number, customAttributes?: object) => void;