/// <reference types="node" />
import { Preferences } from '../types';
import { EventEmitter } from 'events';
export interface PreferencesManager {
    loadPreferences(): Preferences;
    onPreferencesSaved(listener: (prefs: Preferences) => void): void;
    savePreferences(prefs: SavePreferences): void;
}
export declare function loadPreferences(cookieName?: string): Preferences;
declare type SavePreferences = Preferences & {
    cookieDomain?: string;
    cookieName?: string;
    cookieExpires?: number;
};
/**
 * Subscribes to consent preferences changing over time and returns
 * a cleanup function that can be invoked to remove the instantiated listener.
 *
 * @param listener a function to be invoked when ConsentPreferences are saved
 */
export declare function onPreferencesSaved(listener: (prefs: Preferences) => void): () => EventEmitter;
export declare function savePreferences({ destinationPreferences, customPreferences, cookieDomain, cookieName, cookieExpires }: SavePreferences): void;
export {};