import { HTTP } from "../common";
import { Playlist, Video, SearchResult, LiveVideo } from ".";
import { SearchResultType } from "./SearchResult";
export declare namespace Client {
    type SearchType = "video" | "channel" | "playlist" | "all";
    type SearchOptions = {
        /** Search type, can be `"video"`, `"channel"`, `"playlist"`, or `"all"` */
        type: SearchType;
    };
    type ClientOptions = {
        cookie: string;
        /** 2-chars language code for localization */
        hl: string;
        /** 2-chars country code  */
        gl: string;
        /** Local address for sending the request  */
        localAddress?: string;
    };
}
/** Youtube Client */
export default class Client {
    /** @hidden */
    http: HTTP;
    /** @hidden */
    options: Client.ClientOptions;
    constructor(options?: Partial<Client.ClientOptions>);
    /**
     * Searches for videos / playlists / channels
     *
     * @param query The search query
     * @param searchOptions Search options
     *
     */
    search<T extends Client.SearchOptions>(query: string, searchOptions?: Partial<T>): Promise<SearchResult<T>>;
    /**
     * Search for videos / playlists / channels and returns the first result
     *
     * @return Can be {@link VideoCompact} | {@link PlaylistCompact} | {@link Channel} | `undefined`
     */
    findOne<T extends Client.SearchOptions>(query: string, searchOptions?: Partial<T>): Promise<SearchResultType<T> | undefined>;
    /** Get playlist information and its videos by playlist id or URL */
    getPlaylist(playlistIdOrUrl: string): Promise<Playlist | undefined>;
    /** Get video information by video id or URL */
    getVideo<T extends Video | LiveVideo | undefined>(videoIdOrUrl: string): Promise<T>;
}