import { BaseProvider, PlayerStates } from '../core/esl-media-provider';
import PlayerVars = YT.PlayerVars;
import type { MediaProviderConfig, ProviderObservedParams } from '../core/esl-media-provider';
/**
 * Youtube API provider for {@link ESLMedia}
 * @author Alexey Stsefanovich (ala'n), Yuliya Adamskaya
 */
export declare class YouTubeProvider extends BaseProvider {
    static readonly providerName: string;
    static readonly idRegexp: RegExp;
    static readonly providerRegexp: RegExp;
    protected _el: HTMLDivElement | HTMLIFrameElement;
    protected _api: YT.Player;
    protected _lastPlayerState: PlayerStates;
    static parseUrl(url: string): Partial<MediaProviderConfig> | null;
    private static _coreApiPromise;
    protected static getCoreApi(): Promise<void>;
    protected static mapOptions(cfg: MediaProviderConfig): PlayerVars;
    protected static buildIframe(sm: MediaProviderConfig): HTMLDivElement | HTMLIFrameElement;
    bind(): void;
    /** Init YT.Player on target element */
    protected onCoreApiReady(): Promise<any>;
    /** Post YT.Player init actions */
    protected onPlayerReady(): void;
    unbind(): void;
    private _onStateChange;
    protected onConfigChange(param: ProviderObservedParams, value: boolean): void;
    focus(): void;
    get state(): PlayerStates;
    get duration(): number;
    get currentTime(): number;
    get defaultAspectRatio(): number;
    seekTo(pos: number): void;
    play(): void;
    pause(): void;
    stop(): void;
}
declare global {
    interface YT extends Promise<void> {
        Player: YT.Player;
    }
    interface Window {
        YT?: YT;
        onYouTubeIframeAPIReady?: () => void;
    }
}