get eventsMapping() {
    return {
      onReady: Events.PLAYER_READY,
      onResize: Events.PLAYER_RESIZE,
      onPlay: Events.PLAYER_PLAY,
      onPause: Events.PLAYER_PAUSE,
      onStop: Events.PLAYER_STOP,
      onEnded: Events.PLAYER_ENDED,
      onSeek: Events.PLAYER_SEEK,
      onError: Events.PLAYER_ERROR,
      onTimeUpdate: Events.PLAYER_TIMEUPDATE,
      onVolumeUpdate: Events.PLAYER_VOLUMEUPDATE,
      onSubtitleAvailable: Events.PLAYER_SUBTITLE_AVAILABLE
    }
  }
An events map that allows the user to add custom callbacks in player's options.
@property eventsMapping
@type {Object}