import { Client } from 'dynamic-yield-client';
import Config from './Contracts/Config';
import Products from './Contracts/Products';
import Subscription from './Contracts/Subscription';
import Trending from './Trending';
declare class TrendingService {
    /**
     *
     *
     * @type {AssetsManager}
     */
    private assets;
    /**
     *
     *
     * @type {Client}
     */
    private client;
    /**
     *
     *
     * @type {Products}
     */
    private products;
    /**
     *
     *
     * @type {Storage}
     */
    private storage;
    /**
     *
     *
     * @type {Array<Guard>}
     */
    private guards;
    /**
     *
     *
     * @type {SubscriptionManager}
     */
    private subscribers;
    /**
     *
     *
     * @type {number|undefined}
     */
    private updateEventID?;
    /**
     *
     *
     * @param  {Client} client
     * @param  {Products} products
     * @param  {string} daypart
     * @return {TrendingService}
     */
    constructor(client: Client, products: Products, daypart: string);
    /**
     *
     *
     * @param  {Subscription} subscription
     * @return {string}
     */
    subscribe(subscription: Subscription): string;
    /**
     *
     *
     * @param {string} subscriberId
     */
    unsubscribe(subscriberId: string): void;
    /**
     *
     *
     * @param  {Config} config
     * @return {Promise<void>}
     */
    start(config: Config): Promise<void>;
    /**
     *
     *
     * @param  {Config} config
     * @return {Promise<void>}
     */
    update(config: Config): Promise<void>;
    /**
     *
     *
     * @param  {number} slotsCount
     * @return {Promise<[Trending | null, boolean]>}
     */
    getTrending(slotsCount: number): Promise<[Trending | null, boolean]>;
}
export default TrendingService;