import { InfoHelper } from "../index";
import { NewsSlice, NewsSubscription, ChannelTag } from "../models/news/news";
/**
 * Get News List
 * @param helper
 * @param page
 * @param length
 * @param channel
 * @returns Array of NewsSlice
 */
export declare const getNewsList: (helper: InfoHelper, page: number, length: number, channel?: ChannelTag) => Promise<NewsSlice[]>;
/**
 * Search News List
 * @param helper
 * @param page
 * @param key
 * @param channel
 * @param exactMatch
 */
export declare const searchNewsList: (helper: InfoHelper, page: number, key: string, channel?: ChannelTag, exactMatch?: boolean) => Promise<NewsSlice[]>;
export declare const getNewsSubscriptionList: (helper: InfoHelper) => Promise<NewsSubscription[]>;
export declare const getNewsSourceList: (helper: InfoHelper) => Promise<{
    sourceId: string;
    sourceName: string;
}[]>;
export declare const getNewsChannelList: (h: InfoHelper, needEnglish: boolean) => Promise<{
    id: ChannelTag;
    title: string;
}[]>;
export declare const addNewsSubscription: (h: InfoHelper, channelId?: ChannelTag, sourceId?: string, keyword?: string) => Promise<boolean>;
export declare const removeNewsSubscription: (h: InfoHelper, subscriptionId: string) => Promise<boolean>;
export declare const getNewsListBySubscription: (h: InfoHelper, page: number, subscriptionId: string) => Promise<NewsSlice[]>;
export declare const getNewsDetail: (helper: InfoHelper, url: string) => Promise<[string, string, string]>;
export declare const addNewsToFavor: (helper: InfoHelper, news: NewsSlice) => Promise<boolean>;
export declare const removeNewsFromFavor: (helper: InfoHelper, news: NewsSlice) => Promise<boolean>;
export declare const getFavorNewsList: (helper: InfoHelper, page?: number) => Promise<[NewsSlice[], number]>;