import Analytics from '@farfetch/blackout-analytics';
import type { Middleware } from 'redux';
import type { SetUserMiddlewareOptions } from './types/index.js';
export declare const DEFAULT_TRIGGER_SET_USER_ACTION_TYPES: Set<string>;
export declare const DEFAULT_TRIGGER_ANONYMIZE_ACTION_TYPES: Set<string>;
export declare const OPTION_TRIGGER_SET_USER_ACTIONS = "triggerSetUserActions";
export declare const OPTION_TRIGGER_ANONYMIZE_ACTIONS = "triggerAnonymizeActions";
export declare const OPTION_FETCH_USER_SELECTOR = "getUserSelector";
export declare const OPTION_FETCH_USER_ID_SELECTOR = "getUserIdSelector";
export declare const OPTION_USER_TRAITS_PICKER = "userTraitsPicker";
/**
 * Middleware to call `analytics.setUser()` after any action that changes user
 * login state is dispatched.
 *
 * @param analyticsInstance    - Analytics instance.
 * @param actionTypesOrOptions - An options object with options to set on the middleware or a set/array
 *                               of action types to override the default set of action types the
 *                               middleware listens to.
 *
 * @returns Redux middleware.
 */
export declare function analyticsSetUserMiddleware(analyticsInstance: Analytics, actionTypesOrOptions?: SetUserMiddlewareOptions): Middleware;