declare global {
    interface Window {
        onYouTubeIframeAPIReady?: () => void;
    }
}
interface Opts {
    rootContentId?: string;
    assetType?: string;
}
declare class YouTubeClip {
    player: YT.Player | null;
    readonly playerPlaceholder: HTMLElement;
    readonly videoId: string | null;
    private lastQuarter;
    private loops;
    private progressInterval;
    private mediaTracker;
    private fireUnloadEvent;
    private opts;
    constructor(placeholder: HTMLElement, opts?: Opts);
    init(): void;
    unload(): void;
    /**
     * onPlayerStateChange
     * Handles events fired by Youtube based on user interactions
     */
    private onPlayerStateChange;
    /**
     * startTimeUpdateTracking
     * Starts an interval timer to repeatedly check the user's progress whilst the video is playing
     *
     */
    private startTimeUpdateTracking;
    /**
     * stopTimeUpdateTracking
     * Stop the interval that is used for time update tracking
     */
    private stopTimeUpdateTracking;
    /**
     * fireEvent
     * Dispatch a custom event with tracking data
     */
    private fireEvent;
    private checkLoop;
    /**
     * destroy
     * A tear down function
     */
    destroy(): void;
    static init(rootElement?: Document | HTMLElement, opts?: Opts): YouTubeClip[];
}
export default YouTubeClip;