/**
 * Top-bar concern — title bar DOM construction and title/show-info update.
 * Also owns the TV current-item info block (show title, episode, episode
 * title) in the top-right corner.
 *
 * Integration: `buildTitleBar()` is called from `DesktopUiPlugin.buildDom()`.
 * It returns `TopBarRefs` which the plugin stores for later updates via
 * `updateTitleBar()`; back/close visibility is the plugin's
 * `applyStateVisibility()` (listener gate composed with PiP hiding).
 */
import type { IVideoPlayer, VideoPlaylistItem } from '../../../index.js';
import type { DesktopUiOptions } from '../index.js';
export interface TopBarRefs {
    bar: HTMLDivElement;
    /**
     * Right column containing title + show-info. Toggle this for hideTitle,
     *  not the whole bar — the left column carries back/cast/close buttons that
     *  must stay reachable even when titles are hidden.
     */
    right: HTMLDivElement;
    titleText: HTMLSpanElement;
    showInfoText: HTMLSpanElement;
    backBtn: HTMLButtonElement;
    /**
     * Opt-in cast affordance. Click only emits the `cast` player event — the
     * consumer opens its own device picker. Never wire this to
     * `CastSenderPlugin` / `session.loadMedia()`.
     */
    castBtn: HTMLButtonElement;
    closeBtn: HTMLButtonElement;
}
/** Build the top bar (back/cast/close buttons + show info + title + TV current item) and return named refs. */
export declare function buildTitleBar(player: IVideoPlayer<VideoPlaylistItem>, parent: HTMLElement, opts?: DesktopUiOptions): TopBarRefs;
/**
 * Sync the title bar text content to the current playlist item.
 *  Mirrors `MobileTopBar.kt` (Android): primary line is the show name when the
 *  item belongs to a series, otherwise the movie title; secondary line is
 *  `S{n}E{n} • {episodeTitle}` for TV, `Extras E{n} • {episodeTitle}` for
 *  season-0 specials, blank for movies.
 */
export declare function updateTitleBar(player: IVideoPlayer<VideoPlaylistItem>, refs: TopBarRefs, item: VideoPlaylistItem | undefined | null): void;