import { FetchOptions } from "./types/yt-response";
import { ChatItem, ChatType } from "./types/data";
/**
 * Fetch one page of chat.
 *
 * Returns the items, the next continuation token, and how long YouTube asks us to wait before
 * asking again. An empty continuation means the stream is over.
 */
export declare function fetchChat(options: FetchOptions): Promise<[ChatItem[], string, number]>;
export declare function fetchLivePage(id: {
    channelId: string;
} | {
    liveId: string;
} | {
    handle: string;
}, chatType?: ChatType): Promise<FetchOptions & {
    liveId: string;
}>;