getBufferedInfo() {
    if (this.loadMode_ == shaka.Player.LoadMode.MEDIA_SOURCE) {
      return this.mediaSourceEngine_.getBufferedInfo();
    }

    const info = {
      total: [],
      audio: [],
      video: [],
      text: [],
    };

    if (this.loadMode_ == shaka.Player.LoadMode.SRC_EQUALS) {
      const TimeRangesUtils = shaka.media.TimeRangesUtils;
      info.total = TimeRangesUtils.getBufferedInfo(this.video_.buffered);
    }

    return info;
  }
Get information about what the player has buffered. If the player has not
loaded content or is currently loading content, the buffered content will
be empty.

@return {shaka.extern.BufferedInfo}
@export