import { Animation, Audio, Document, Photo, Sticker, Video, VideoNote, VoiceNote } from './index';
export declare type WebPageUnion = WebPage;
/** Describes a web page preview */
export interface WebPage {
    _: 'webPage';
    /** Original URL of the link */
    url: string;
    /** URL to display */
    displayUrl: string;
    /**
     * Type of the web page. Can be: article, photo, audio, video, document, profile, app,
     * or something else
     */
    type: string;
    /** Short name of the site (e.g., Google Docs, App Store) */
    siteName: string;
    /** Title of the content */
    title: string;
    /** Description of the content */
    description: string;
    /** Image representing the content; may be null */
    photo?: Photo;
    /** URL to show in the embedded preview */
    embedUrl: string;
    /** MIME type of the embedded preview, (e.g., text/html or video/mp4) */
    embedType: string;
    /** Width of the embedded preview */
    embedWidth: number;
    /** Height of the embedded preview */
    embedHeight: number;
    /** Duration of the content, in seconds */
    duration: number;
    /** Author of the content */
    author: string;
    /** Preview of the content as an animation, if available; may be null */
    animation?: Animation;
    /** Preview of the content as an audio file, if available; may be null */
    audio?: Audio;
    /**
     * Preview of the content as a document, if available (currently only available for
     * small PDF files and ZIP archives); may be null
     */
    document?: Document;
    /** Preview of the content as a sticker for small WEBP files, if available; may be null */
    sticker?: Sticker;
    /** Preview of the content as a video, if available; may be null */
    video?: Video;
    /** Preview of the content as a video note, if available; may be null */
    videoNote?: VideoNote;
    /** Preview of the content as a voice note, if available; may be null */
    voiceNote?: VoiceNote;
    /**
     * Version of instant view, available for the web page (currently can be 1 or 2), 0
     * if none
     */
    instantViewVersion: number;
}